Hanna   HI 9125  Portable pH/ORP Meter

  • User-selectable “calibration time out”
  • Automatic calibration
  • Automatic Temperature Compensation
  • Tutorial messages on LCD
  • BEPS; (Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings
  • Battery % displayed on startup.

 

The HI 9125 is a waterproof pH meter that can utilize ORP (oxidation reduction potential) electrodes.

A large dual-level LCD displays both the pH and temperature along with an operational guide. Graphic symbols are displayed to help the users during the calibration process.

The pH calibration procedure is automatic with five memorized pH buffer values and buffer recognition to simplify the calibration process.

This meters utilizes the HI 1230B double junction pH electrode. The double junction helps to minimize junction contamination for accurate, consistent results.

Range pH -2.00 to 16.00 pH
  ORP ±699.9 mV; ±1999 mV
  Temperature -20.0 to 120.0°C / -4.0°F to 248.0°F
Resolution pH 0.01 pH
  ORP 0.1 mV; 1 mV
  Temperature 0.1°C / 0.1 °F
Accuracy @ 20°C pH ±0.01 pH
  ORP ±0.2 mV; ±1 mV
  Temperature ±0.4°C/±0.8°F (excluding probe error)
Calibration pH automatic, one or two point with five standard buffer values (pH 4.01, 6.86, 7.01, 9.18, 10.01)
  Offset ±1 pH
  Slope from 80 to 108%
Temperature
Compensation
  automatic or manual, -20.0 to 120.0°C / -4.0 to 248.0°F without temperature probe
Electrode   HI 1230B PEI body pH electrode with BNC connector and 1 m (3.3’) cable (included)
Temperature
Probe
  HI 7662 stainless steel temperature probe with 1 m (3.3’) cable (included)
Input Impedance   1012 Ohm
Battery Type / Life   1.5V AAA (3) / approximately 200 hours of continuous use. Auto-off after 20 minutes of non-use (can be disabled)
Environment   0 to 50°C (32 to 122°F); RH max 100%
Dimensions   185 x 72 x 36 mm (7.3 x 2.8 x 1.4’’)
Weight   300 g (10.6 oz.)
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