Elcometer 138 User Manual page 13

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5 TECHNICAL SPECIFICATION (continued)
5.4 ELCOMETER 138 CONDUCTIVITY METER
Measurement Principle 2 Electrode Bioplar AC
Measurement Mode Conductivity, Temperature
Minimum Sample Volume 0.12ml
Measurement Range 0 - 19.99mS/cm
0 - 1999µS/cm : 1µS/cm
Resolution
2.00 - 19.99mS/cm : 0.01mS/cm
Accuracy ±2% of full scale (for each range)
Operating Temperature 5°C to 40°C (41°F to 105°F)
Operating Humidity 85% or less relative humidity (no condensation)
Battery Type 2 x CR2032 lithium
Approximately 200 hours continuous use
Battery Life
without backlight
Dimensions 164 x 29 x 20mm (6.5 x 1.1 x 0.79")
Weight 50g (1.76 oz) - including sensor and batteries
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