GasCheck R2pc User Manual V1.6
GasCheck R2pc User Manual V1.6
Part Number 19042
www.ionscience.com
GasCheck R Manual V1-6
Ion Science Ltd
Declaration of conformity
Manufacturer: Ion Science Ltd, The Way, Fowlmere, Cambridge, England. SG8 7UJ
Product: GasCheck R2pc
Product description: a handheld leak detector specifically designed for the detection
and measurement of refrigerant and air-conditioning gases.
Directives: 89/336/EC
EMC
Standards: BS EN 61010-1:2001 Safety requirements for measurement, control & lab equipment
BS EN ISO 9001:2000 Quality management systems
BS EN 61326-1:1997 EMC – Equipment for measurement, control and laboratory use
I the undersigned herby declare that the equipment specified above conforms to the stated
Directives and Standards.
Signed By:
Name: Mark Stockdale,
Position: Technical Director
Date: 23rd April 2007
Safety: GasCheck R2pc complies with the requirements of 73/23 EEC low voltage
directive and, apart from a low voltage pump, there are no moving parts within the
instrument so that the machinery directives are not applicable.
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GasCheck R Manual V1-6
Ion Science Ltd
Contents
Page
Introduction .
.
.
.
.
Scope and definitions .
.
.
Description
.
.
.
.
Principal of operation .
.
.
Applications
.
.
.
.
Battery charging for optimum performance
Technical data
.
.
.
.
General .
.
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.
.
Performance
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Battery data
.
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Charger plugs .
.
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Outputs .
.
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Installation .
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Operation
.
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.
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Control buttons .
.
.
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Display .
.
.
.
.
Recommended leak search procedure .
Switching off the GasCheck
.
.
Maintenance .
.
.
.
.
Inspect and clean the GasCheck .
.
Replacing the batteries .
.
.
Battery charging
.
.
.
Fault finding
.
.
.
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Storage and disposal .
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Storage .
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Disposal
.
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Spares and Accessories
.
.
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Introduction
.
.
.
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Spares .
.
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.
Accessories
.
.
.
.
Calibration
.
.
.
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Refurbish program
.
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GasCheck R Manual V1-6
1.
INTRODUCTION
1.1
Scope and definitions
Ion Science Ltd
This manual provides installation, operation and maintenance instructions for the Gas Check
R2. You must use the Gas Check R2 as specified in this manual. Read this manual before you
install and operate the Gas Check. Important safety information is highlighted as WARNING
and CAUTION instructions; you must obey these instructions. The use of WARNINGS and
CAUTIONS is defined below.
WARNING
Warnings are given where failure to observe the instruction could result in
injury or death to people.
CAUTION
Cautions are given where failure to observe the instruction could result in
damage to the equipment, associated equipment and process.
PLEASE ENSURE THE INSTRUMENT IS PLUGGED TO THE MAINS
ADAPTER WHEN NOT IN USE.
The units of measurement used throughout this manual conform to the SI international
system of units of measurement
1.2
Description
Gas Check R2pc, shown in Figure 1 below, is a portable, battery-powered, hand-held
refrigerant gas leak detector, detecting the presence of refrigerants in air by means of their
adsorption on a semi conducting surface. The GasCheck R2 is suitable for leak detection of
most refrigerants, including R134a. A comprehensive list of sensed gases is given in Table 1
on Page 4.
There are provisions for sensor heating and battery charging within the GasCheck R2 Mk2
design, enabling its immediate deployment when required. Indications of a leak are shown
on the digital display Figure 1, (2) and are also given by a front panel mounted LED flasher
(3) and as audible clicks from the rear panel loud speaker (6).
The GasCheck R2 includes a convenient storage and carrying case, together with a spare
battery holder, the mains powered 6V DC power supply and connection cord for battery
charging and sensor regulation, and a long flexible probe.
1.3
Principal of operation
When switched ON, the GasCheck R2 automatically waits for the sensor response to stabilise
in the ambient environment. Then, the instrument either enters Peak Mode for gas leak
measurement or Roaming Mode , for location of gas leaks and emissions, according to which
mode of operation last used.
In Peak Mode, a clear 'tick' will be heard on the audio every 10 seconds or so. When the
sample drawn into the detector contains traces of refrigerant gas, then this will be displayed
and the audio tick will rapidly increase in frequency. The maximum response of the
instrument relative to the previously registered background is converted into a leak
measurement of either ppm (as registered within the instrument), or gm/yr (adjusted for the
instrumental rate of sample gas intake).
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GasCheck R Manual V1-6
Ion Science Ltd
In Roaming Mode, the '-' sign leading the bar graph in the left hand side of the display will be
seen to flicker on and off occasionally. This indicates that the detector response to
background gas is continuing to decrease, and that the instrument is therefore re-zeroing. It
will be particularly observed on power-up and when the instrument is removed from a gas
leak.
1.4
Applications
You can use the GasCheck R2 on many types of applications, including those listed below.
•
Manufacturing: quality assurance testing on manufactured component seals.
•
Industrial: the detection of leaks from gas installations, in cylinder receiving rooms, from
pipe assemblies and flanges, the detection of leaks from stored gases in drums and
vessels.
•
Medical: the detection of leaks from anaesthetic gas bottles, pipe conduit, and the
integrity testing of membrane materials, glove boxes….
1
Probe
4
Key pad
2
Display
5
Power socket
3
LED flasher
6
Loudspeaker
Figure 1 – The GasCheck R2 Mk2
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GasCheck R Manual V1-6
1.5
Ion Science Ltd
For optimum instrument performance
If instrument is to be used for ultimate noise free leak detection then the following is
recommended.
When not in use it is the instrument should remain plugged into the mains adapter with the
instrument switched off. This is recommended as it applies constant power to the sensor to
keep it in a clean state and ready for immediate use.
If the instrument is stored, with the batteries removed or not plugged into a mains adapter
with power applied, for a length of time then it is recommended that the instrument be put
on permanent charge as above for a period of time prior to use. The recommended time
would be hours to days in the off state if stored in heavily contaminated environment, else
can be foreshortened as the need dictates. Therefore, if the instrument is left in the off state
for 7 days then charge for 7 hours. If it is left for 50 days, charge for 50 hours.
2
TECHNICAL DATA
2.1
General
Operating temperature range
GasCheck R2
0 to 50 °C
32 to 122 °F.
-25 to 70 °C
-13 to 158 °F.
Storage temperature range
Materials of construction
Storage case
GasCheck R2
PPE, polyester foam insert
Polyurethane casing
Dimensions
Storage case
GasCheck R2
420 x 320 x 97 mm
see Figure 2
16.5” x 12.5” x 3.75 “
Mass
Including storage case 1.6 kg
GasCheck R2
0.5 kg
Ingress ratings
Minimum
3.5 lb.
1.0 lb.
IP20
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GasCheck R Manual V1-6
Ion Science Ltd
* Length of long probe fitted to GasCheck R2
Figure 2 – Dimensions of GasCheck R2 with short probe fitted (mm)
2.2
Performance
Detector type:
Heated ceramic semi-conductor oxide
Gases Detected:
Most refrigerant gases and volatiles, see Table 1
For effective leak measurement of a target gas, gases are classed into one of four Gas
Groups, as shown in Table 1. Each group has a characteristic calibration curve assigned to it
in the instrument’s memory. The table only lists refrigerant gases that have been tested by
the manufacturer. If the gas or gas mixture that you seek is not included in Table 1, select
group III, which delivers a large (and therefore most conservative) estimation of leak rate.
Minimum response time: (search mode)
Recovery time: (search mode)
Maximum signal measurable
Flow rate through the Probe
Smallest leak detection levels:
Page 6 of 20
About 2 seconds for 15 g/year leak
About 4 seconds for 15 g/year leak
30 g/year or 2000ppm
15ml/sec
see Table 1
GasCheck R Manual V1-6
Gas
Ion Science Ltd
Gas
group
R32
R1303
R20 (chloroform)
R30 (dichloromethane)
R22
Acetone
R33
1
1
1
1
1
1
1
Isopropanol
Diethyl ether
Ethyl acetate
Toluene
Hexane
R134a
R502
R12
R11
R407c (blend)
1
1
1
1
1
2
2
3
3
4
lower
lower leak
lower leak detection
detection detection limit
limit (gm/yr)
limit (ppm) (mbar.L /min)
0.16
2.5 . 10-6
7 . 10-4
0.10
1.6 . 10-6
0.10
1.6 . 10-6
10 . 10-4
0.20
3.2 . 10-6
14 . 10-4
0.63
1.0 . 10-5
5 . 10-3
-7
0.04
6.7 . 10
2 . 10-4
0.10
0.14
0.08
0.16
0.032
0.79
1.26
13.3
56.2
10-6
10-6
10-6
10-6
10-7
10-5
10-5
10-4
5 . 10-4
9 . 10-4
6 . 10-4
13 . 10-4
2 . 10-4
7 . 10-3
1 . 10-2
1 . 10-2
9.0 10-4
5 . 10-2
1.6
2.3
1.3
2.6
5.1
1.3
2.0
2.1
.
.
.
.
.
.
.
.
Table 1- Leak Detection thresholds
Notes:
Each successive gas group number corresponds to a decrease in sensor responsivity by a
factor of 10. A gas such as R32 is very readily sensed by the instrument; hence it is placed in
gas group 1. This means that the instrument is able to operate in contaminated background
conditions when searching for R32, with minimal risk of interference from other fugitive
gases.
2.3
Battery data
Note: the energy storage capacity of batteries is affected by temperature. The data in Table 2
is for an ambient temperature of 20 °C (68 °F).
WARNING
GasCheck R2 Mk 2
includes a battery recharging and sensor heater control facility.
Never use the instrument, its battery re-charger, in a hazardous area.
The GasCheck R2 can be used with primary (disposable) batteries.
There is a provision for the recharging of ISL batteries within the GasCheck R2.
Do not substitute any Ion Science parts within the GasCheck R2
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GasCheck R Manual V1-6
Ion Science Ltd
Number of batteries required
Battery type
4
Nickel Metal Hydride Rechargeables, size AA
For other acceptable battery types see Table 2.
Battery life (hours)
Battery type
Gas Check R2
6
4
4
NMHi re-chargable
LR6 (R6)
MN1500
Table 2 – Average battery life without recharging
2.4
Charger plugs
The charger plugs available are for single phase supply sockets in UK, Europe and USA as
shown below:
2.5
Outputs
Audio
Fixed volume variable frequency blip from internal piezo-speaker at rear of unit
Visual
Ten segment bar graph and direct reading with exponent and units on LCD display
Indicators
Flashing LED red light alert on keypad panel
Alarm
The alarm warbles at 15g/year (0.5 oz per year)
The audio sounder and a flashing LED indicator are activated in positive response of the gas
sensor, and upon pressing operation keys.
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GasCheck R Manual V1-6
3
Ion Science Ltd
INSTALLATION
Remove all packaging materials, then open the storage case and inspect the equipment. If
the storage case or any other item is damaged, notify your supplier and the carrier in writing
within three days; state the Item Number and the Serial Number stamped on rear case of the
GasCheck, together with your order number and your supplier’s invoice number. Do not use
the GasCheck if any item is damaged.
Refer to Figure 3 and check that the storage case contains the items listed in Table 3. If any
item is missing, notify your supplier in writing within three days.
Qty
1
1
1
1
Description
GasCheck R2 Mk2
Long probe
Spare battery holder with 4 batteries
Power plug (if ordered)
Table 3 – Checklist of items in the storage case
1.
2.
Long probe
GasCheck R2
3.
4.
Figure 3 – Items in the storage case
Page 9 of 20
Check ( )
Spare battery holder
Power plug (if ordered)
GasCheck R Manual V1-6
Ion Science Ltd
Open the storage case and remove the GasCheck. The GasCheck is supplied with the short probe
fitted.
To interchange probes, loosen the three screws S, Figure 4, attaching the probe to the
instrument. Rotate the probe clockwise by a one eighth turn to release it from its fitting.
Replace with the alternate probe and reverse the procedure.
S
Figure 4 – Probe replacement. Position of one of three screws S is indicated, and direction of
removal of the probe.
CAUTION
Do not bend the long probe through sharp angles, as this will reduce its mechanical life. A
45 degree bend at the end of the probe is all that is normally required.
Hold the bayonet connection when attaching or removing the probes to the instrument.
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GasCheck R Manual V1-6
4
Ion Science Ltd
OPERATION
Having assured that the instrument is fitted with the correct probe, familiarise yourself with
key operation described below.
4.1
Control buttons
Refer also to Figure 4 overleaf for key operation. The display panel is
described in Section 4.2.2.
POWER (1)
Press this key to switch the GasCheck R2 on and off. The
instrument will be operable after between 15 and 120 seconds, depending on
when the instrument was last used and background contaminants in the air.
Ideally the instrument should be plugged into the battery charger when not
in use. This ensures that the sensor is retained in a stabilised condition
ready for use.
ZERO (2)
Press zero to re-zero the instrument due to a drift in
background response incurred, for example, on relocating the instrument
from one room to another. In Peak mode , pressing the zero button will
return the instrument to State 1. In Roaming mode, the instrument display is
immediately zeroed to the registered instrument response.
ROAMING MODE and TOGGLE (3)
This is a mode key, allowing for
dynamic and continuous instrument response in search of leaks or location of
emissions of the target gas. From Peak mode, activation of this key enters
the instrument into either the high or low sensitivity setting previously
selected. Additional key presses toggle between high and low sensitivity, as
indicated by the instrument display showing ‘L’ or ‘H’. The sensitivity
changes by a factor of 16 between H and L ranges.
GAS/1234 SELECTION (4)
Operable only in Peak mode. Use this to
change the Gas Group setting. The most recently used gas group setting is
recovered on power up. See Table 4 for Gas Group selection.
ppm / gm/yr TOGGLE (5)
Operable only in Peak mode. Use this to
switch between ppm and gm/year settings when needed. The default is
gm/yr, and is not displayed; only ppm is displayed when active. When Peak
Mode is recovered by turning the instrument on or pressing the Peak Mode
key, the most recently selected units (ppm or gm/yr) are recovered. The
instrument’s calibrated responses are referenced to ppm of gases.
Conversions are then made to gm/yr assuming a molecular weight of 100
gm/mol:
1 ppm = 8.6 x 10-3 g/yr.
PEAK MODE (6)
This key activates Peak Mode, enabling a measurement
of leak rate. On pressing the key, the instrument enters 4 sequential states:
State
1
2
3
4
Description
Display
Zeroes instrument as per Zero key
Sequential bars
Seek response
Flashing Peak icon
Peak measurement (retain probe at leak As 2, with changing bar display
location)
and audio signal
Register peak
Fixed bar display, Peak icon
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GasCheck R Manual V1-6
Ion Science Ltd
Note that key operation is only possible in Peak Mode states 2 and 4. Upon the
sequence Peak mode, state 4 Roaming mode Peak mode, the reading obtained in
state 4 is recovered. In Peak mode, the Peak mode key is only active in state 4,
causing a return to state 1. Finally, note that the audio output reproduces the actively
detected signal even when the signal falls below the stored peak hold value.
1
Power
4
Gas/1234
2
Zero
5
ppm / gm/year
3
Roaming Mode
6
Peak Mode
Figure 5 – Control keys for Gas Check R2
4.2
Display
4.2.1
General
The display indicates the leak rate, and instrumental status, including user changes to the
settings. The upper portion of the display is allocated for representation of the leak rate by
incremental bars (see Section 4.2.2). Instrumental status appears in the lower portion (see
section 4.2.3). The Gas Group number is shown at the lower left-hand side of the display
when the instrument is in Peak Mode.
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GasCheck R Manual V1-6
4.2.2
Ion Science Ltd
Gas Measurement
In Peak Mode, a leakage is displayed as a bar graph and a single exponent for the range of
the signal. For example:
IIIIIII
x 10 1 ppm
Corresponds to a reading of 80 ppm.
4.2.3
Other display symbols
Small display indicators show zeroing, peak hold, low battery voltage, signal conditioning,
gain and gas group setting.
Zeroing
This symbol appears whilst the GasCheck is zeroing. When cleared the
instrument is ready for use.
Peak hold
When the 'Peak hold' is flashing, the instrument is ready for use. When the
'Peak hold' symbol is shown on its own, the reading is being held.
Low battery
When the instrument is in use, this symbol indicates that the battery pack is
lower than required for use. When the instrument is being charged, the
state of the battery is shown on the bar graph display.
Negative
This shows the sensor is still conditioning. Wait until this symbol has cleared
before taking a reading.
Hi sensitivity
Sensitivity is at maximum gain. Displayed only in Roaming Mode
Low sensitivity Sensitivity at 1/16th maximum gain. Displayed only in Roaming Mode
Gas Group
Indicates which Gas Group is selected in Peak Mode. Gas Group 3 is shown
in the example here.
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GasCheck R Manual V1-6
Ion Science Ltd
4.3
Recommended leak search procedure
4.3.1
General procedure
When you use the GasCheck, do not allow dirt or debris to enter the end of the probe. If the
probe is blocked, the GasCheck will not operate correctly.
Ensure the part under test contains a reasonable percentage of a detectable target gas!
Turn instrument on, allow to zero, and activate Roaming mode by pressing the key. Press
this key again if necessary to ensure ‘H’ is displayed, denoting high sensitivity. Move the end
of the probe (or nozzle) around the area of a suspected leak and look at the display (or listen
to the audible clicks or note the visual LED flash rate on the GasCheck) to identify the
location of a leak. Specific procedures for leak detection along seams and around pipe joints
are described in the following sections.
When required:
•
•
Use 'L' lower sensitivity in conjunction with 'Peak hold' to pinpoint large leaks.
If you want to zero the GasCheck, move the end of the probe (or nozzle) away from any
possible leak, into a clean air zone, then press the manual zero key: refer to Section 4.1.
Note that leak sensitivity depends on the ambient conditions. If you want to accurately
measure a leak, compare the indicated leak with a calibration standard, such as obtained with
Ion Science’s CalCheck: see Section 7.3.
When the GasCheck indicates that a leak has been found, move the probe back to determine
the precise location of the leak. The leak is located where the largest leak bar indication is
displayed, and where highest frequency clicks and visual flashing rate are emitted by the
GasCheck, on the current range.
4.3.2
Leak detection along seams
Move the end of the GasCheck probe (or nozzle) along the length of the seam, so that it just
rests on the seam. The speed at which you move along the seam will determine the size of
the leak detectable:
•
•
If the leak is large, you can move fairly fast along the seam, at approximately 20 mm per
second.
If the leak is very small, move slowly along the seam, at approximately 5 mm per second.
4.3.3
Leak detection at pipe joints
Use the same procedure as for leak detection along seams (see Section 4.3.2), moving the
nozzle at half the speed specified. Refrigerant gases are heavier than air and also usually
diffuse quite slowly into air, so indicated leaks may be slightly displaced from their actual
source.
4.3.4
Leak measurement
When a leak is found in Roaming mode, withdraw the probe from the leak site and move to
an ambient location. Use the Peak mode key to activate Peak mode. Allow instrument to
zero. Return the probe to the leak site, and maintain it in position as the leak is registered.
This will usually take about 15 seconds, and will be indicated by the permanent display of the
peak icon. Retract the probe from the leak. The instrument will also display the peak leak
registered by the instrument. Press the zero key before repeating the procedure.
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GasCheck R Manual V1-6
4.4
Ion Science Ltd
Switching off the GasCheck
When the GasCheck R2 is not required immediately, but will be used again, leave it switched
off but still plugged in to the main power supply. This is for recharging the batteries and
heating the sensor ready for future use. When the GasCheck is not going to be used again
for an extended period, switch it off to conserve the batteries.
5
MAINTENANCE
5.1
Inspect and clean the GasCheck
CAUTION
Do not clean the probe while it is attached to the GasCheck and do not try to clean the sample
hole
1. Switch off the Gas Check.
2. Refer to Figure 5. If the probe is fitted, hold the probe (1) by its quick fit bayonet and
gently twist it anti-clockwise to remove it from the GasCheck R2.
3. Inspect the GasCheck. If the case of the Gas Check is cracked or dented, we recommend
that you do not continue maintenance, but return the GasCheck to your supplier for
inspection and calibration.
4. Wipe the GasCheck with a clean, lint-free cloth moistened with a weak solution of
detergent.
5. Carefully wipe the outer faces of the probe to remove any small particles of dirt or debris.
6. Use a gentle air flow to dislodge any particles within the probe – but not done with the
probe attached.
7. Use a suitable tool to push any blockage out of the end of the probe, and then wipe the
outside of and the inner face of the wide part of the nozzle.
8. Refit the required probe to the GasCheck: refer to Section 4.4.
9. Place the GasCheck and the long probe separately in the storage case. Store the case in
suitable conditions: refer to Section 6.1.
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GasCheck R Manual V1-6
5.2
Ion Science Ltd
Replacing the batteries
WARNING
Replace the batteries in the GasCheck R2 in a safe area where there are
no flammable gases. If you do not, there may be a risk of fire or explosion.
WARNING
Use only Ion Science Recommended parts for the rechargeable batteries.
The recommended batteries are specified in section 2.3 Battery Data.
Note: A spare battery holder is supplied with the GasCheck. Use of rechargeable batteries
reduces effort.
1. Refer to Figure 6. Turn over the Gas Check so that the battery compartment is at the top:
see detail A.
1
2
Catch
Battery compartment cover
3
4
Battery compartment
Serial number
Figure 6 – Replace the batteries
2. Use a small coin, screwdriver or your fingernail to press the catch (1) on the battery
compartment cover (2), then pull up and remove the cover: see detail B.
3. Remove the battery holder from the GasCheck. If required, you can carefully unplug the
battery holder so that you can detach the holder from the GasCheck.
4. Remove the old batteries (4) from the battery holder. Dispose of the batteries (see
section 6.2).
5. Inspect the inside of the battery compartment and battery holder. If the batteries have
leaked, use a cloth dampened with a weak solution of detergent to clean the battery
compartment and battery holder.
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GasCheck R Manual V1-6
Ion Science Ltd
6. Fit four new batteries in the battery holder. Ensure that you fit the batteries in the correct
orientation. To reduce the risks of incorrectly connecting the battery clip remove one
battery before you refit the battery holder to the GasCheck. You then add the fourth
battery into the clip before pushing it home.
7. Refit the battery compartment cover (2) and ensure that the catch (1) is engaged. Switch
on the Gas Check. If the display remains blank when you switch on the GasCheck, refer
to section 5.3.
5.3
Battery Charging
Battery charging can be carried out with the instrument turned on or off. If the instrument is
turned off, upon plugging the battery charger into the instrument display will illuminate,
indicating the progressive degree of battery charging that has taken place. If the batteries
are severely depleted the sensor circuitry is automatically switched off to ensure maximum
charging capability. It is recommended instead, to routinely attach the battery charger,
whereupon the instrument is automatically trickled charged whilst maintaining the sensor in
an activated condition, ready for immediate use when the charger is removed.
5.4
Fault finding
Fault symptom
Unit will not switch on
Unit will not switch off
Battery symbol appears
Unit shows negative
symbol
Display appears blank/dim
Numbers do not change
Range does not change
Gas group is wrong
Blocked probe
Instrument readings noisy
Error 'E' + 'Zero' symbol
Error 'E' + 'Battery' symbol
Diagnosis
No/dead batteries fitted
Software locked out
Battery state low
Sensor not warmed up yet
Action
Try another battery set (safely)
Remove & replace battery clip (safely)
Replace batteries (safely)
Ensure sensor left on if needed quickly
Contrast control setting wrong
Peak hold selected
Range not set in Auto-range
Gas Group not set correctly
Probe blocked
Test environment contaminated
Detector not ready
Mains power off during charge
Turn off & on; press & hold contrast
Press zero or change from Peak hold
Press & hold Range until Auto-range
Press & hold Gas until shown OK
Remove probe and clean
Move item under test into cleaner area
Charge to allow the sensor to warm up
Check power to instrument applied
Table 5 – Fault finding
6
STORAGE AND DISPOSAL
6.1
Storage
If you will store the unit for a long time, we recommend that you remove the batteries: refer
to Section 5.2
Refit the GasCheck in its storage case and store in dry, cool conditions. Unpack as described
in Section 3.
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GasCheck R Manual V1-6
6.2
Ion Science Ltd
Disposal
Dispose of the GasCheck, components and used batteries safely in accordance with all local and
national environmental safety requirements. Some of the GasCheck carry case plastic material is
recyclable.
7
SPARES AND ACCESSORIES
7.1
Introduction
Order spare parts from your local agent or distributor, when you order, please state for each
part required:
•
Serial Number stamped on your GasCheck refers to Figure 6.
•
Item Number and description of part.
7.2
Spares
Spare
Item Number
Rechargeable batteries (4 off)
1/BM-01
Replacement battery holder
1/BH-01
Short Probe R2
A-19043
Long Probe R2
A-19045
Case
28367C
Instruction Manual
SPR2MAN
7.3
Accessories
Accessory
Item Number
Power supply for battery charger
- specifying UK mains plug
- specifying Euro mains plug
- specifying USA mains plug
1/VS-09
1/VS-10
1/VS-12
Portable reference leak
- specifying gas, leak rate and pressure
Cal Check
Page 18 of 20
GasCheck R Manual V1-6
7.4
Ion Science Ltd
Calibration
Ion Science offer a calibration service including issue of traceable certification to National
Standards.
7.5
Refurbish program
Ion Science offer a refurbish service for all customer repairs.
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