unigor® 330, 355
Digital Multimeter + Signal Generator
UNIGOR ® 330, 355
l
Precision multimeter (V, A, dB, W, F, Hz, °C/°F)
l
Resolution 10µV-10nA-10mW-1pF-0,1°C-0,01Hz
l
Quartz clock for real-time recording
l
Signal generator
l
Standard calibration certificate
l
Windows®-Software for measurement data processing
l
UNIGOR® 355: Direct current measurement up to
10A or via clamp-on current probe
Application
UNIGOR® 330 and 355 are robust, powerful
system multimeters for maintenance, service,
training, industrial research and development,
and for administrative agencies. Areas of application are test labs, manufacturing, and quality assurance.
Automatic socket guard
prevents incorrect connection of the measuring wires and protects both user and device.
Overload protection
within the voltage range. An alarm sounds when
the measuring range is being exceeded. ”FUSE”
is displayed when a fuse is defective.
Description
RMS value with distorted curve shape
Curve shape-independent true RMS measurement (TRMS).
Rectangular pulse generator
for testing of circuits and links with single or
multiple pulses with 3V-amplitude and
1...1000 Hz. Signal output through test terminals.
Additional features
Continuity test with beep, diode testing with
forward voltage, event counter (amount, duration), split-seconds chronograph, automatic
measurement value storage, capacitance, temperature measurements with platinum probes.
Automatic/manual range selection
Selection of measuring functions via rotary
switch. Automatic or manual range selection
via the AUTO/MAN button.
Analogue display of negative values
regarding DC-signals for monitoring zero variations.
Automatic measurement value storage
DATA stores the measurement value shown
even with rapidly changing measured values.
Continuity test
Testing of continuity/interruption. Digital display
and audible signal regarding low-resistance
connections.
ELMES • HEME • NORMA
MIN/MAX values
are continuously recorded and saved.
Current economizing circuit
If a measurement value does not change for
10 minutes, the device will shut itself off, if no
control has been operated (this function can
be disabled).
Infrared transmission of measurement data
Serial data interface for remote control and
measurement value transmission via infrared
signal. Up to 6 instruments on-line, 10 off-line.
Calibration
The UNIGOR® 330/355 is supplied with a calibration certificate complete with measurement
values. These values can automatically be calibrated via the interface. Interval: 1 year recommended.
Regulations and Standards
DIN EN 61010 Part 1
VDE 0411-1
DIN 43751
DIN EN 50081 Part 1
DIN EN 50082 Part 1
VDI/VDE 3540
DIN EN 60529
DIN VDE 0470 Part 1
Technical specifications UNIGOR® 330 and 355
Function
Measuring
range
Resolution at end value of
measuring range
Input impedance
Intrinsic error at highest resolution
under reference conditions2)
Overloadability4)
Function
± (...% rdg +...d)
30 000 1)
V
300 mV 3)
10 µV
3 V 3)
...
~
3 000 1)
100 µV
>20 MW
5 MW//<50 pF
1050 V
100 µV
1 mV
11 MW
5 MW//<50 pF
0,05 + 3
0,2 + 30
DC
1 mV
10 mV
10 MW
5 MW//<50 pF
0,05 + 3
0,2 + 30
AC
300 V
10 mV
100 mV
10 MW
5 MW//<50 pF
0,05 + 3
0,2 + 30
eff
1000 V
100 mV
1 V
10 MW
5 MW//<50 pF
0,05 + 3
0,2 + 30
sine
dB
.~..
as with V----
see also table below
voltage drop approx.
...
~
300 µA
10 nA
100 nA
160 mV
160 mV
± 0,1 dB
dB
.~..
0,1 + 5
0,5 + 30
0,5 + 30
100 nA
1 µA
160 mV
160 mV
0,1 + 5
1 µA
10 µA
200 mV
200 mV
0,05 + 5
0,5 + 30
300 mA
10 µA
100 µA
300 mV
300 mV
0,5 + 5
0,5 + 30
0,36 A
permanent
10A6)
permanent
5 min
3 A
100 µA
1 mA
110 mV
110 mV
0,5 + 5
0,75 + 30
10 A
1 mA
10 mA
350 mV
350 mV
0,5 + 5
0,75 + 30
300 W
10 mW
0,6 V
max. 250 µA
3 kW
100 mW
0,6 V
max. 45 µA
0,1 + 5 7)
30 kW
1 W
0,6 V
max. 4,5 µA
0,1 + 5
300 kW
10 W
0,6 V
max. 1,5 µA
0,1 + 5
1000V
3 MW
100 W
0,6 V
max. 150 nA
0,1 + 5
DC
2 +5
AC
30 MW
1 kW
0,1 W
3 V- 12)
4
3 V- 12)
4
1 mV
100 µV
3 nF
0,1 + 5 7)
0,6 V
max. 15 nA
max. 1,2 mA
0,2 + 5
eff
max. 3 V
max. 1,2 mA
0,2 + 3
sine
max. 3 V
max. 1,2 mA
0,2 + 3
disch.res.
U0max
± (...% rdg +... d)
3 V
1 + 6 7)
10 MW
30 nF
10 pF
10 MW
3 V
1 + 6 7)
300 nF
100 pF
1 MW
3 V
1 +6
DC
3 µF
1 nF
100 kW
3 V
1 +6
AC
30 µF
10 nF
11 kW
3 V
1 +6
eff
sine
F
300 µF
100 nF
2 kW
3 V
5 +6
3000 µF
1 µF
2 kW
3 V
5 +6
30000 µF
1 µF
2 kW
3 V
f min 3)
300,00 Hz
0,01 Hz
1 Hz
0,1 + 1
0,1 Hz
1 Hz
0,1 + 1
8)
8)
Hz
100 min 2)
10 Hz
1 Hz
W
4
4
1000 V
5 min
F
permanent
Hz
5 min
°C/°F
5 + 60
± (...% rdg +...d)
3,0000 kHz
100,000 kHz
A
± (...% rdg +...d)
max. 3 V
1 pF
V
permanent
± (...% rdg +...d)
5)
3 mA
300 W
Duration
11)
30 mA
no-load voltage current et end value
W
Value
0,5 + 30
30 V
10)
A 10)
.~..5)
0,05 + 3 7)
0,1 + 1
8)
13)
1000 V
1000 V
<30kHz:300V
>30kHz:30V
± 15 D
10 ms
± (...% rdg +... d)
Pt 100
°C/°F
Pt 1000
-200,0 ...
100,0 °C
100,0...
+850,0°C
0,5 K + 3 9)
0,1 °C
0,5 K + 3 9)
1000 V
DC/AC
eff
sine
dB-ranges (intrinsic error: +/-0.1dB at 10% of the
range)
Measuring
ranges
Display range
reference voltage
UREF = 0,775V
300 mV~
3 V~
30 V~
300 V~
1000 V~
-48 dB ... -8 dB
-28 dB ... +12 dB
-8 dB ... +32 dB
+2 dB ... +52 dB
+22 dB ...+63 dB
Display (dB) =
20 Ig Ux (V)/UREF
Legend
2
rdg = measurement value
d = digit
Resolution
0,01
0,01
0,01
0,01
0,01
dB
dB
dB
dB
dB
1) Display: 4 3/4 digits, a different resolution and sampling
rate can be set in menu rAtE
2) Split-seconds chronograph, format: mm:ss:hh,
i.e. m = minute, s = second, h = hundredth of a second,
max. 99:59:99
3) Smallest measurable frequency with sinusoidal
measuring signal asymmetrical to zero
4) at 0° ... +40°C
5) alues < 100 digits are suppressed;
15 (20)...45...65 Hz...20 kHz sine, influences see next
page
6) 12 A - 5 min, 16 A - 30 sec
7) ZERO appears if the function ”zero adjustment” is
activated
8) Range 300mV: UE= 50mV eff/rms...300mVeff/rms
3 V:
UE = 0,3 Veff/rms ... 3 V eff/rms
30 V:
UE = 3 Veff/rms ... 30 V eff/rms
300 V:
UE = 30 Veff/rms ... 300 V eff/rms
1000V: UE= 300 Veff/rms ...1000 V eff/rms
9) plus probe error
10) UNIGOR® 355: TRMS
11) for display > 10% of the measuring range
12) up to a maximum of 1.8V, anything above causes the
”OL” symbol to be displayed
13) max. measuring voltage
Influence factors and effects
Influence
Influence range
factor
Measured value/
Measuring range 1)
Influence effect
V ...
0,2 + 10
(...%+...D)/10K
~
0,4 + 10
300 µA...30mA =/ ~
0,5 + 10
V
Reference conditions
Ambient temperature
Relative humidity
Frequency of measured quantity
Curve shape of measured quantity
Battery voltage
Timing (following manual selection of range)
0 °C...+21 °C
3A/10A =/
~
~
0,75 + 10
and
300 W ... 300 kW
0,2 + 10
3 MW
0,2 + 10
V..., V~
1 + 10
A..., A ~
300 mA =/
Temperatur
+25 °C...+40 °C
0,5 + 10
30 MW
Measured value/
Measuring range
Timing of digital
display
from 0 to 80 %
1,5 s
0,5 + 10
300 W ... 3 MW
0,5 + 10
30 MW
5s
from ¥ to 50 %
0,5 + 10
Continuity
<50 ms
of measuring range end value
2s
1,5 s
4
3 nF ... 300 µF
2)
Intrinsic error
+(...% rdg + d)
Frequency
300,00 mV
>15 Hz ... 45 Hz
2,5 + 40 (>300 D)
> 65 Hz ... 1 kHz
1,0 + 30 (>300 D)
Frequency
3,0000 V/30,000 V/
>15 Hz ... 45 Hz
2,2 +40 (>300 D)
V
AC
300,00 V
>65 Hz ... 1 kHz
0,7 + 30 (>300 D)
15 Hz ... 45 Hz
2,2 + 40 (>300 D)
>65 Hz ... 1 kHz
1,2 + 30 (>300 D)
300,00 µA ...
>15 Hz ... 45 Hz
1 + 30
Frequency
300,00 mA
>65 Hz ... 1 kHz
1 + 30
I
AC
3,0000 A
>15 Hz ... 45 Hz
1 +30
10,000 A
> 65 kHz ... 1 kHz
3 + 30
1000,0 V
Influence
factor
Measured value/
1)
Influence range
Measuring range
1 ... 3
CF
Influence effect 2)
+ 1 % rdg
V~, A~
> 3 ... 5
+ 3 % rdg
The admissible crest factor CF of the alternating variable to
be measured depends on the value shown:
of measured
of measuring range end value
Hz
UNIGOR 330: Mean value rectification 20 Hz ... 1kHz
UNIGOR 355: TRMS AC
15 Hz ... 1 kHz
Influence range
(max. resolution)
Step function of measured
value
3 nF ... 300 µF
°C (PT100)
Influence
factor
+23 °C + 2 K
45 ... 55 %
45 ... 65 Hz
sinusoidal
3 V + 0,1 V
Voltage and current measurement
max. 2 s
3 000 µF
max. 7 s
10 000 µF
max. 14 s
from 0 to 50 %
>10 Hz
max. 1,5 s
of measuring range end value
°C
max. 3 s
Power supply
Battery: 2 x 1,5 V alkaline-manganese storage cells according to
IEC LR6
Life:
approx. 100 hours, automatic symbol
display once the
battery’s voltage is <2,3 V
Fuses
For ranges up to 300mA: FF(UR) 1,6A/1000V AC/DC, 6,3 x 32mm
making and/or breaking capacity 10kA at 1000V and ohmic load
For ramges 3A, 10A: FF (UR) 16 A/1000 V AC/DC, 10 x 38 mm
making and/or breaking capacity 30kA at 1000 V AC/DC and ohmic load.
Electrical safety
Safety: II according to IEC 61010-1/EN 61010-1/VDE 0411-1
Installation category: II 1000 V, III 600 V
Pollution degree: 2
Test voltage: 5,55 kV according to IEC 61010-1/EN 61010-1
quantity3)
Electromagnetic compatibility EMC
Emission:
EN 50081-1, EN 55022: class B
Immunity:
EN 50082-1
IEC 801-2: 8kV (air) class A
IEC 801-3: 3 V/m class B
IEC 801-4: 2 kV class B
Influence
factor
Measured value/
Measuring range
Influence range
Influence effect
75 %
V, A, W
Relative
humidity
3 days
F, Hz
1 x intrinsic error
°C
Device turned off
Influence
factor
Influence range
Noise max. 1000 V
~
Noise max. 1000 V
~
Commonmode noise
voltage
Measuring range
Damping + dB
V ...
> 90 dB
300 mV ...
50, 60 Hz sine
Noise V
Series-mode
Nominal value of the
measuring range
~,
>60 dB
V ...
>60 dB
>40 dB
4)
50/60 Hz
Noise max. 1000 V ...
V
~
2) Error indication starts at a reading of 10% of the measuring range
3) UNIGOR® 355 only
-20°C ... +50°C
-25°C ... +70°C (w/o batteries)
max. 75%, w/o dewing
3z/-20/50/75% nach VDI/VDE 3540
up to 2000 m
Indoors only
Mechanical structure
Protective type:
Instrument IP50, terminals: IP20
Dimensions:
84 mm x 195 mm x 35 mm
Weight:
approx. 350 g including batteries
>60 dB
~
noise voltage
<1000 V
~
300 V ~
1000 V ~
30 V
Ambient conditions
Operating temperature:
Storage temperature:
Relative humidity:
Climate class:
Altitude above sea level:
Operating location:
> 60 dB
Real-time clock
Accuracy:
+/-1 minute per month
Temperature influence: 50 ppm / K
Data interface
Data transfer:
Adapter (optional):
optical, via infrared light through the housing
RS 232 C, according to DIN 19241
UNIGOR® mem 232 (including memory)
UNIGOR® link 232
4) UNIGOR® 330: Not for mV-range
3
Display
Interface adapter
UNIGOR® 330 and UNIGOR® 355 can be linked to a personal computer
using the adapters UNIGOR® mem 232 II or UNIGOR® link 232.
Symbols of digital display
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Continuous operation
Digital display with comma and polarity indicator
Manual switching of measuring range
Symbol for memory, “keep measurement value”
Saving of MIN/MAX values
Event measurement
Selected current type
Measurement unit
Exceeding of measuring range
Pointer for analogue display
Scale for analogue display
Exceeding of a negative analogue display range
Activated chronograph
Zero adjustment
Memory operation
Display
LCD (65 mm x 30 mm) with analogue bar and digital indicator of unit,
current type, and various special functions.
Analog
Display
Length of scale
Scaling:
Polarity display
Overload display
Measuring rate
LCD-Skala with pointer
55 mm with V, A DC
+/- 5 ... 0 ...+/-30 with 35 segments for DC,
0 ... 30 with 30 segments in all other ranges
with automatic switching
with triangle symbol
20 measurements per second
Digital display
Display:
Digits:
Overload display:
Polarity display:
7-segment digits (12 mm)
4 3/4 digits = 31000 increments
„OL” is displayed
„_” sign is shown if the positive pole is connected
to „ ^ “
Measuring rate:
V (DC, AC, AC + DC)
A, W, diode, °C
AC+DC event:
2 values per second
Hz, AC event:
1 value per second
Memory adapter UNIGOR® mem 232 II
®
Attachable memory adapter for direct data transfer from UNIGOR to the
PC, or on-site data storage without personal computer for later PC analysis. Synchronization through integrated clock. Memory 128 kB (for approx.
100,000 measurement values depending on the measuring function).
Manual setting using the buttons, or via the serial interface from the PC;
Min/Max thresholds, recording time, post-trigger time, hysteresis. Time
synchronization of up to 10 modules. Quartz clock for precise sampling
clock pulse and real-time recordings.
Operating modes:
SET -Parameterization of the adapter
STORE - Data storage from the DMM
RECALL - Data query without personal computer
STATistic (summary), SCAN (key values), SEE (all data)
PC - Bi-directional PC link, data transfer from adapter to PC
ONLINE - Unidirectional PC link, data transfer directly to the PC
INFO - Parameter query
Sampling
Adjustable from 0.05 s ... 60 s. Arithmetic mean value calculation up to
0.05s; permanent sampling rate of 0.5 s from 1 second to 60 seconds.
Automatic shut-off (power-down mode) for a long battery life.
Sampling is signal-depending via an adjustable hysteresis enabling virtual memory extension (10-... 100-fold).
Adjustable sampling rate: 50 ms ... 1 min
Sampling period:
Operating life (please note battery life)
0,05 ... 0,5 s
>30 days
10 s
9 months
20 s
12 months
60 s
18 months
Trigger (on-line)
Versatile trigger functions allow for effective data reduction. Triggering
occurs upon exceeding or falling below the channel-specific LO and HI
threshold values, or at a set date/time.
At the PC, retriggering is possible for up to 100 recordings.
Data reduction by means of:
l Trigger outside/within the LO/HI limit values
l Storage outside/within the LO/HI limit values
Interface adapter UNIGOR® link 232
Bi-directional adapter for parameterization of the measuring instruments,
and for data transfer to a personal computer without measurement data
memory.
4
Multi-channel measuring systems (on-line & off-line)
Multimeters can be linked to the PC using the adapters UNIGOR® mem
232 or UNIGOR® link 232, as well as via an interface cable (RS232C):
ON-LINE up to 6 instruments, and OFF-LINE up to 10 instruments. Each
adapter has its own address; the PC requires one serial interface only.
Optimum potential separation between the channels is achieved through
infra-red data transfer. Using the memory adapters, the measurement
data can be saved multi-channel-type, synchronous on all channels without on-site PC, and can later be analyzed using the PC software UNIGOR®
Win 300.
The following types of presentation are available:
Datalogger
The captured measurement
data from up to 10 channels is
numerically presented onscreen in table format.
Multimeter
In on-line mode, the transferred measurement values of up to four freely
selectable channels are digitalized on-screen with inserted analogue scale,
or in form of an analogue pointer instrument with inserted digital display.
UNIGOR Win 300 software (optional accessory)
Windows® software (> 4.28) for measurement data analysis on the PC.
Sampling in on-line mode is performed manually (mouse click) with adjustable sampling interval or signal-depending (adjustable signal hysteresis). Saving is controlled by two trigger thresholds per measuring channel, as well as via the system time.
Analysis with UNIGOR® Win 300
The measurement data can be subsequently analyzed on a PC. The
analysis is performed via linearization functions, data export (in table or
graphic format via the Windows® clipboard), labeling within diagrams,
presentation of probe signals as pressure, temperature, speed, etc.
Y(t) recorder
The captured measurement
values of four freely selectable
channels are presented onscreen as line-diagram with
horizontal time-axis, and
logged with two pointers.
Zoom function, absolute or relative time-axis for optimum signal evaluation.
XY-recorder
Two to four channels are presented as XY-diagram and are logged using
the cursor. The axes are freely scaleable. Continuous print-out using the
system printer of a PC is possible.
Processing of measurement data
Mathematical functions with powerful arithmetic for on-line and off-line
analysis, merging, and presentation of measurement data.
5
Accessories
Professional carrying case
A 6001 10330
Ordering information
Professional ever-ready case
A 6001 10340
Article
Type
Ordering no.
Precision digital multimeter with
cable set, batteries,
calibration certificate,
operating instruction
UNIGOR® 330
A 1837 33011
Precision digital multimeter
with cable set, batteries,
protective rubber cover,
calibration certificate,
operating instructions
UNIGOR® 355
A 1837 35511
Measuring cable set
A 6003 14208
®
Scope of delivery
1 Multimeter
1 Protective cover for rough operating conditions (UNIGOR® 355 only),
protective rubber cover with set-up frame protects the device against
damage caused by impact and fall. Stable even on vibrating surfaces.
1 Measuring cable set
2 Batteries (installed)
1 Operating instructions
1 Calibration certificate
Warranty
2 years regarding material defects and manufacturing defects
2 years regarding calibration
Single-channel set w/o memory: UNIGOR Set 301L A 6412 30110
Adapter UNIGOR® link 232,
PC cable,
software UNIGOR® Win 300
Single-channel set with memory: UNIGOR® Set 301
Adapter UNIGOR® mem 232 II,
PC cabel,
software UNIGOR® Win 300
A 6412 30111
Four-channel set with memory:
4 adapters UNIGOR®
mem 232 II, PC cable,
Software UNIGOR® Win 300
UNIGOR® Set 304
A 6412 30411
Interface adapter
UNIGOR® link 232
A 6412 31000
Memory adapter
Voltage probe for protection
against over-voltage
Clamp-on current probe
10 A/100 A changeable
1 mV/1 mA or 1 mV/1 A
50Hz ... 500Hz,
for conductors <12mm
Clamp-on current probe for
currents up to 1000 A AC
1 : 1000, for conductors <52 mm
Surface probe PT 100
-50 ...+500°C, DIN B, 150mm
1,5 m cable
®
UNIGOR mem 232II A 6412 32000
KS30
A 6403 30012
A 6805 01009
A 6805 01015
A 6912 50210
Printed in Austria
Technical modifications reserved
Publication A 99 991130 (01.00)
LEM NORMA GmbH
Palmersstraße 2
A-2351 WIENER NEUDORF
TEL.:
+43(0)2236 691-0
FAX:
+43(0)2236 63 080
E-mail: lno@lem.com
LEM NORMA GmbH
Sales Austria
Palmersstraße 2
A-2351 WIENER NEUDORF
TEL.:
02236 691- 52
FAX:
02236 62 474
E-mail: lna@lem.com
LEM ELMES AG
Bahnhofstrasse 15
CH-8808 PFÄFFIKON SZ
TEL.:
055 / 415 75 75
FAX:
055 / 415 75 55
E-mail: lel@lem.com
LEM Instruments GmbH
Marienbergstraße 78
D-90411 NÜRNBERG
TEL.:
0911 / 955 75 0
FAX:
0911 / 955 75 30
E-mail: lid@lem.com
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