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This product was added to our catalog on Tuesday 30 November, 1999.

Hanna Instruments HI9125 W/proof pH/ORP/Temp meter


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.

Order Information:
HI 9125 is supplied with HI 1230B pH electrode, HI 7662 temperature probe, HI 70004 pH 4.01 buffer solution sachet, HI 70007 pH 7.01 buffer solution sachet, 100 mL plastic beaker, batteries, instructions and hard carrying case.

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%
  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)
  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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