Conductivity meter CM 35 +
Conductivity meter CM 35 +
technical data sheet
Carrying case,
with all required
elements for work.
LCD display
backlit, with
pictograms.
Industrial quality,
easy-to-use keypad.
IP67 protection.
Ergonomic and robust instrument, IP67 waterproof; resistant to harsh working conditions.
Conductivity, salinity or TDS and temperature measurement by stability or in continuous.
Automatic calibration in 1, 2 or 3 points selected among the CRISON range of conductivity standards.
Besides Theoretical calibration and Manual calibration, calibration at one conductivity value within the cell range.
KIT versions are available that include carrying case, accessories and sensor.
Wide range of high quality sensors that cover all types of applications, from low ionic strength to viscous, dirty samples.
The carrying case includes all necessary accessories to ensure accurate measurement. Instrument can be seated at an angle
for convenient viewing of the display; sensor and the calibration flasks are held on upright position for easy calibration and measurement.
Authorised CRISON dealer:
Conductivity meter CM 35 +
Specifications
Measuring range
(resolution depending on
scale)
Measuring error
(± 1 digit)
Reproducibility
(± 1 digit)
Conductivity
Salinity
TDS
Temperature
Conductivity
Salinity
TDS
Temperature
Conductivity
Salinity
TDS
Temperature
0.01 µS/cm … 500 mS/cm
0.0 … 1999 mg/l NaCl
2.0 … 50.0 g/l NaCl
0 mg/l … 500 g/l
–20.0…150.0 °C (–4.0…302.0 °F)
≤ 0.5 %
≤ 0.5 %
≤ 0.5 %
≤ 0.2 °C (0.4 °F)
± 0.1 %
± 0.1 %l
± 0.1 %
± 0.1 °C (0.1 °F)
Temperature compensation
With built-in Pt1000 temperature sensor.
Reference temperature (RT)
20 or 25 °C (68 o 77 °F). Factory setting: 25 °C (77 °F)
Temperature coefficient (TC)
0.00 a 9.99%/°C. (Factory setting: 2%/ °C.)
TDS conversion factor
0.00 to 4.44 (Factory setting: 0.64)
Accepted cell constant
Between 0.05 and 50 cm-1 (Factory setting: 1.0 cm-1)
Conductivity calibration (E.C.)
With 1, 2 or 3 standards selectable between: 147 µS/cm, 1413 µS/
cm, 12.88 mS/cm and 111.8 mS/cm (at 25 °C).
Manual calibration at any conductivity value within cell range.
Theoretical calibration (factory settings).
Temperature readjustment
Correction of the temp. probe deviation (A.T.C.) at 25˚C and 85˚C
Measuring mode
By stability and in continuous.
Connector
MP-5, 5 contacts multipin.
Display
Liquid crystal, backlit, with pictograms.
Keypad
Membrane, 6 keys
Ambient conditions
Operating temperature: 0 °C to 50 °C
Storage temperature: –15 °C to 65 °C
80% relative humidity (non-condensing)
Directives low voltage and EMC
According to CE, UNE-EN 61010-1 and UNE-EN 61326-1.
Energy management
Automatic power off after 5 minutes of inactivity (this option can be
disabled by the user).
Power supply
3 x 1.5V, type AA batteries. Autonomy of over 400 hours
Enclosure
Material ABS. Degree of protection IP 67.
Physical parameters
Weight 300 g. Size 186 x 73 x 38 mm.
Specifications subject to change without notice.
Recommended cells
•
•
•
•
Fixed cable with ergonomic handle cells.
With MP-5 connector (5 contacts).
Suitable for most applications.
With built-in temperature sensor.
50 60, Universal.
C=1 cm-1, platinum electrodes and plastic body.
0.2 µS/cm... 200 mS/cm, Temp. 0 … 85 ˚C.
50 63, High conductivities.
C=10 cm-1, platinum electrodes and glass body.
100 µS/cm... 500 mS/cm, Temp. 0 … 85 ˚C.
50 64, Low Cost.
C=1cm-1, titanium electrodes and plastic body.
5 µS/cm... 50 mS/cm, Temp. 0 … 85 ˚C.
T
lls
r constant ce
Ask for othe
lls
ce
ls
ia
er
or other mat
T= temperature sensor
50 60
T
50 62
T
T
50 63
50 64
How to order
Code
Description
35 02
CM 35+, with accessories, without cell.
35 60
Complete kit: CM 35+, with accessories and cell 50 60 (Universal)
35 62
Complete kit: CM 35+, with accessories and cell 50 62 (Titanium)
35 63
Complete kit: CM 35+, with accessories and cell 50 63 (High conductivity)
35 64
Complete kit: CM 35+, with accessories and cell 50 64 (Low Cost)
Included accessories
Carrying case.
Standard solutions:
147 µS/cm, 1413 µS/cm, 12.88 mS/cm.
• Calibration tubes.
• Flasks for sample and sensor cleaning.
• User manual.
•
•
Instruments developed and manufactured in Spain by CRISON INSTRUMENTS, S.A. www.crisoninstruments.com
Código 269-E, Edición Octubre 2010
50 62, For difficult media.
C=0.3 cm-1, titanium electrodes and body.
5 µS/cm... 50 mS/cm, Temp. 0 … 85 ˚C.
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