HANNA instruments HI 98305, HI 98306, HI 98307 User Manual
Conmet
®
1 (HI 98305) • Conmet®2 (HI 98306) • Conmet®3 (HI 98307)
Conductivity Meters with Automatic Temperature Compensation
Specifications Conmet
Range 0 to 1999 µS/cm 0.00 to 19.99 mS/cm 0.00 to 19.99 ppt (g/L)
Resolution 1 µS/cm 0.01 mS/cm 0.01 ppt (g/L)
Accuracy (@20°C/68°F) ±2% F.S.
Calibration Manual, 1 point, through slope trimmer
Temp. Compensation Automatic, 0 to 50°C, with ß=1.9% ±0.15% /°C, and 25°C (77°F) reference temperature
Probe (included) HI 3291 HI 3292 HI 3292
Battery Type / Life 4 x 1.5V alkaline / approx. 150 hours of continuous use
Environment 0 to 50°C (32 to 122°F); 95% RH max.
Dimensions / Weight 265 x 29 x 15 mm (10.4 x 1.1 x 0.6’’) / 400 g (0.88 lb.) complete with the carrying case
Each meter is supplied in a rugged plastic carrying case with 4-ring conductivity probe, calibration solution bottle (120 mL), screwdriver and instructions.
Operations: • Connect the conductivity probe to the meter (Fig. 1) and turn the unit on by sliding the ON/OFF switch on the top of the instrument.
• Dip the probe into the solution by ensuring that all 4 rings of the probe are immersed and without exceeding the maximum level (Fig. 2).
• Stir gently to remove any air bubbles trapped inside the probe and wait for the reading to stabilize.
• To minimize errors, it is recommended to rinse the probe with some of the sample to be tested before taking measurement.
• After use, switch the unit off, rinse the probe in alcohol for a few minutes.
• If the display fades, replace the batteries. Switch the unit off, pull out the battery compartment and replace the batteries (Fig. 3).
Battery replacement must only take place in a non hazardous area using the battery type specified in this instruction manual.
Calibration: • Dip the probe into the proper (supplied) calibration solution and wait for the reading to stabilize.
• If necessary, correct the reading to the solution value by slowly turning the calibration trimmer with the supplied screwdriver.
®
1 Conmet®2 Conmet®3
These meters are in
compliance with the
CE directives
ISTCONMET 05/05
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