Hanna Instruments HI 7634-00 User Manual
HI 7634-00 Conductivity Probe
HI 7634-00 is an EC/TDS probe with built-in
NTC sensors which provide temperature compensated conductivity measurements.
It can be used with the following Hanna meters:
BL 983313: 0 to 1999 µS/cm
BL 983315: 0.0 to 199.9 ppm
BL 983319: 0 to 1999 ppm
BL 983320: 0.0 to 199.9 µS/cm
BL 983321: 0.00 to 19.99 ppm
BL 983322: 0.00 to 19.99 µS/cm
BL 983324: 0.0 to 49.9 ppm
BL 983329: 0 to 999 ppm
WARRANTY:
HI 7634-00 probe is warranted for a period of one
year. This warranty is limited to repair or replacement free
of charge.
Damages due to accident, misuse, tampering or lack of
prescribed maintenance are not covered.
If service is required, contact the dealer from whom you
purchased the instrument. If under warranty, report the
model number, date of purchase, serial number and the
nature of the failure. If the repair is not covered by the
warranty, you will be notified of the charges incurred. If
the instrument is to be returned to Hanna Instruments, first
obtain a Returned Goods Authorization Number from the
Customer Service department and then send it with shipment costs prepaid. If the repair is not covered by the
warranty, you will be notified of the charge for repair or
replacement. When shipping any instrument, make sure it
is properly packaged for complete protection.
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CONNECTIONS:
The wires from the probe cable must be connected to the process EC or TDS controller as
shown below. The connections are color coded
for an easy installation.
Note: once the probe is attached to the meter,
it is recommended to calibrate it before taking any measurement. Follow the calibration
procedure in the meter's manual.
SPECIFICATIONS (typical @25 ºC):
Cell Constant 1 cm
-1
NTC sensors 10 KΩ
Materials PP and AISI316
Temperature -5 to 50 ºC
Max. pressure 3 bar
PROBE MAINTENANCE:
To improve the probe performance and prolong its life, it is recommended to clean it
regularly.
• Immerse the tip of the probe in HI7061
Cleaning Solution for one hour.
• If a more thorough cleaning is required,
brush the metal pins with very fine sandpaper.
• After cleaning, rinse the probe with tap
water and recalibrate the meter.
• When not in use, clean the probe before storing it away.
IST7634-00 09/05
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