Technical Data - VWR IDP 761-C Manual Del Usuario

IDP 761-C
Error symptom
No temperature or con-
ductivity display
Measurement delivers
implausible conductiv-
ity values
Incorrect temperature
display
General features
Dimensions
(in mm)
Weights
Materials
ba77220e01 11/2018
What to do if ...
Cause
– No connection between meter
and conductivity measuring cell
– Cable defective
– Measuring range exceeded
– Contamination in the area of the
electrodes
– Electrodes damaged
– The temperature sensor is not
immersed deep enough in the
measuring solution
– Temperature sensor defective

Technical data

General data
Measuring principle
Cell constant
Temperature sensor
120.0
60 g (without cable)
Shaft
Connection head
Conductivity electrodes
Thermistor enclosure
Remedy
– Establish connection between
meter and conductivity
measuring cell
– Make sure the correct sensor is
being used for the application
– Clean the conductivity
measuring cell (see section ).
– Return the sensor
– Observe the minimum immersion
depth
– Return the conductivity
measuring cell
Four-electrodes measurement
-1
0.475 cm ±1.5 %
Integrated NTC 30 (30 k at 25 °C / 77 °F)
176.0
15.3
Epoxy
POM
Graphite
Graphite
21.7
EN
English
6