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These lightweight and compact units offer IP 67 waterproof protection in a compact casing. The electrode has a built-in temperature sensor and amplifier, to safe guard your measurements to noise and electrical interference. The HA-991001 reads pH and temperature. HA-991003 is the first pH meter that can measure pH, pH-mV (to check the electrode status), ORP and temperature with only one probe. 

HA-991001, and HA-991003 include HA-1296D pH electrode (HA-991001) or HA-1297D ( HA-991003), and internal temperature sensor, pH 4 and pH 7 buffer sachets, HA-700661 electrode cleaning solution (2 x 20 ml), 3 x 1.5 V "AA" batteries, rugged carrying case and instructions.

Part NumberModelDimensionsCapacitypH RangepH - mV RangeORPTemperatureCalibration (pH)Temp. Compensation
HA-991001Waterproof pH/Temperature Meter5.9" x 3.1" x 1.4"7.4 oz-2.00 to 16.00 pH---5.0 to 105.0°C, ± 0.5°C accuracyAutomatic, at 1 or 2 points with 2 sets of memorized buffersAutomatic; -5 to 105°C, for pH readings
HA-991003Waterproof pH/pH-mV/ORP/Temperature Meter5.9" x 3.1" x 1.4"7.4 oz-2.00 to 16.00 pH± 825 mV± 1999 mV-5.0 to 105.0°C, ± 0.5°C accuracyAutomatic, at 1 or 2 points with 2 sets of memorized buffersAutomatic; -5 to 105°C, for pH readings
Model Item Quantity Unit Price Line Total
Waterproof pH/Temperature Meter - Hanna Instruments HA-991001, HA-991002 & HA-991003 Waterproof pH/Temperature Meter - Hanna Instruments HA-991001, HA-991002 & HA-991003
$ 0.00
Waterproof pH/pH-mV/ORP/Temperature Meter - Hanna Instruments HA-991001, HA-991002 & HA-991003 Waterproof pH/pH-mV/ORP/Temperature Meter - Hanna Instruments HA-991001, HA-991002 & HA-991003
$ 0.00
$ 0.00

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