pH / ORP / Temperature Laboratory Bench Meter

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$ 1,159.50 Ex. GST


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This high performance economy microprocessor-based pH/ORP/Temp Laboratory Bench meter is an ideal tool in schools, laboratories and production plants.

It is provided with a series of new diagnostic features which add an entirely new dimension to the measurement of pH, by allowing the user to dramatically improve the reliability of the measurement:

  • Automatic Temperature Compensation (ATC) for good accuracy under fluctuating temperatures;
  • Hold Function freezes reading for easy viewing;
  • Easy to read large custom LCD;
  • Stability Indicator prompts whenever reading stabilizes;
  • 7 memorized buffers (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45) for calibration;
  • Messages on the LCD to make the calibration easy and accurate;
  • User-selectable “calibration time out” to remind when a new calibration is necessary.

Mi151 can also measure with ORP electrodes, thanks to its capability to measure mV with a resolution up to 0.1 mV. For accurate measurements, use the electrode holder supplied with the meter.

Mi151 is supplied complete with:
• MA917B/1 Double junction refillable pH electrode
• MA831R Temperature Probe
• MA9315 Electrode Holder
• M10004 pH 4.01 Sachet Buffer Solution
• M10007 pH 7.01 Sachet Buffer Solution
• M10010 pH 10.01 Sachet Buffer Solution
• M10016 Sachet Electrode Cleaning Solution
• Graduate Pipet
• 12 VDC Adapter
• Instruction manual

Learn More about Laboratory Bench Meters

Learn More about pH in Here.

pH Range -2.00 to 16.00 pH
mV Range ±699.9 mV / ±1999 mV
Temp Range -20.0 a 120.0°C / -4.0 a 248.0°F
pH Resolution 0.01 pH
mV Resolution 0.1 mV / 1 mV
Temp Resolution 0.1°C / 0.1 °F
mV Accuracy ±0.2 mV / ±1 mV
pH Accuracy ±0.01 pH
Temp Accuracy ±0.4°C / ±0.8°F
pH Typical EMC Deviation ±0.02 pH
mV Typical EMC Deviation ±0.2 mV / ±1 mV
Temp Typical EMC Deviation ±0.4°C / ±0.8°F
pH Automatic Calibration 1 or 2 point-calibration, with 7 memorized buffers
Offset Calibration ±1 pH
Slope Calibration from 80 to 108%
Temperature Compensation automatic, from -20.0 to 120.0°C / -4.0 to 248.0°F
or manual, without temperature probe
pH Electrode MA917B/1 (included)
Temperature Probe MA831R (included)
Environment 0 to 50°C / 32 to 122°F; max RH 95%
Input Impedance 1012 Ohm
Power supply 12 VDC power adapter (included)
Dimensions 230 x 160 x 95 mm
Weight 0.9 kg

Instruction Manual