Instruction Manual Mi 180 Bench Meter
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Accuracy
pH
±0.01 pH / ±0.002 pH
(@ 20 °C / 68 °F)
mV
±0.2 mV / ± 1 mV
EC
±1% of reading ±(0.05 μS/cm or 1 digit)
TDS
±1% of reading ±(0.03 mg/L or 1 digit)
NaCl ±1% of reading
Temp ±0.4 °C (±0.8 °F)
Rel mV offset
±2000 mV
Calibration
pH
1, 2 or 3 points calibration, with 7 memorized buffers:
1.68, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45
EC
1 point slope calibration with 6 memorized solutions available:
84.0 μS/cm, 1413 μS/cm, 5.00 mS/cm, 12.88 mS/cm,
80.0 mS/cm, 111.8 mS/cm;
1 point offset calibration: 0.00 μS/cm
NaCl 1-point, with MA 9050 calibration solution
Temp
2-point, at 0 and 50 °C (32 and 122 °F)
Temperature
Automatic or manual, from -20.0 to 120.0 °C (-4.0 to 248.0 °F)
Compensation
Temperature
Selectable from 0.00 to 6.00%/ °C (EC and TDS only)
Coefficient
TDS factor
0.40 to 0.80 (default value is 0.50)
pH Electrode
MA 917B/1 (included)
Temperature Probe
MA 831R (included)
EC Probe
MA 814DB/1 (included)
Input Impedance (pH) 10
12
ohms
Computer Interface
RS232/USB opto-isolated
Power supply
12 VDC power adapter
Dimensions
230 x 160 x 95 mm (9.0 x 6.3 x 3.7")
Weight
0.9 kg (2.0 lb.)
Environment
0 to 50 °C (32 to 122 °F) ; max RH 95%
Warranty
3 years
This instrument is in compliance with the CE Directives.
