Technical Data - VOLTCRAFT KBM-90 Operating Instructions Manual

Technical data

Power supply ................................ 4x 1.5 V AAA batteries
Operating current .......................... 13.5 mA
Standby ........................................ 5 µA
Battery life ..................................... Approx. 80 hours (continuous operation)
Low battery level indicator ............ At 4.1 V residual voltage
Degree of protection ..................... IP57
Conductance measurement
Measurement range ..................... 0 - 2000 μS, (switches to unit mS (2 - 20 mS) automatically
for values over 2000 µS)
Accuracy ....................................... ±2 % FS
Resolution ..................................... 1 μS/0.01 mS
Correction range ........................... ATC: 0 to +50 °C
TDS measurement
Measurement range ..................... 0 - 1300 ppm (1.30 - 13.00 ppt) (switches to unit ppt
automatically for values over 1300 ppm)
Accuracy ....................................... ±2% FS
Resolution ..................................... 1 ppm/0.01 ppt
Correction range ........................... ATC: 0 to +50 °C
Salinity
Measurement range ..................... 0 - 1000 ppm (1.00 - 12.00 ppt)
Accuracy ....................................... ±2% FS
Resolution ..................................... 1 ppm/0.01 ppt
Correction range ........................... ATC: 0 to +50 °C
Temperature measurement
Measurement range ..................... 0 to +90 °C
Accuracy ....................................... ±0.2 °C + 1 digit
Resolution ..................................... 0.1 °C
Temperature correction ................. 0 to +50 °C (ATC)
Operating/storage conditions ........ 0 to +50 ºC, <85 %
relative humidity (non-condensing)
Dimensions (L x W x H) ................ 195 x 40 x 36 mm (meter)
230 x 205 x 50 mm (storage case)
Weight .......................................... 135 g (meter with batteries)
640 g (complete product)
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