Product category:
Chemical analysis equipment
News Release from: Metrohm UK | Subject: 712
Edited by the Laboratorytalk Editorial
Team on 19 February 2003
Modern conductivity measurement at its
best
Multiple applications for this conductometer offering conductivity measurements in the range 0.001 microsiemens/cm to 20 siemens/cm with automatic range switching
The Metrohm 712 conductometer has a wide range of uses Two lines of 16 alphanumeric characters each are available for the sample identification
This article was originally published on Laboratorytalk on 16 May 2005 at 8.00am (UK)
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Conductivity measurement in ultra pure water
Conductivity measurement in ultra pure water, especially in water for injection, requires high-precision instrumentation and accessories.
Designation and serial number of the instrument as well as date and time appear on the printout.
A typical GLP component: the last calibration of the measuring cell and the last determination of the temperature coefficient can be verified.
Conductivity measurements in the range 0.001 microsiemens/cm to 20 Siemens/cm with automatic range switching.
Temperature measurement from -170C to 500C.
TDS measurements (total dissolved solids (salinity) 0.5mg/l - 300g/l NaCl) With 'frequency auto', the 712 Conductometer automatically selects the measurement frequency best suited to the sample (300Hz or 2.4kHz).
'Auto zero' sets the current conductivity to zero.
Changes can thus be followed with a higher resolution.
The freely selectable reference temperature allows matching to the measurement instructions of many different standards.
The switching, alarm or limit outputs, which can be used in all measurement modes as a minimum/maximum make or break contact with hysteresis adjustment, are popular additional functions for open- and closed-loop control tasks. Request a free brochure from Metrohm UK ...
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