Orders placed online and which are over $299 ex gst are delivered freight free anywhere in Australia. Offer is valid until 31 December 2024 and excludes: (i) orders involving chemicals and (ii) orders involving oversized items such as safety cabinets, ovens, incubators, trolleys etc. Such items are highlighted on our website.
The HI991003 meter features a large multi level LCD screen which displays both pH/pH-mV/ORP and temperature readings simultaneously with 0.01 pH resolution and an accuracy of ±0.05 pH. The LCD screen also has indicators for calibration status and stability, as well as on-screen tutorial messages. The HI991003 has many advanced features that are found in more expensive portable instrumentation including Sensor Check, automatic calibration, buffer recognition,and temperature compensation. The battery percent level is displayed at start up alerting the user to the remaining battery power that is available.
The HI991003 is a compact, waterproof, portable pH/pH-mV/ORP/temperature meter that is supplied complete including a rugged carrying case and a unique titanium body pH/ORP electrode that has a built-in temperature sensor. This meter comes with our unique Sensor Check™ feature that allows the user to determine the electrode status at any time. The meter features a large, dual level LCD display for easy viewing of the pH, pH-mV, ORP, temperature, and status indicators. The operation of the meter is simplified to two buttons. The HI991003 has an exceptional long battery life of 1400 hours of continuous use.
Automatic Temperature Compensation
Automatic Two-Point Calibration
Waterproof
More Information
pH Range
-2.00 to 16.00 pH; -2.0 to 16.0 pH
pH Resolution
0.01 pH; 0.1 pH
pH Accuracy
±0.02 pH; ±0.1 pH
pH Calibration
automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
pH Temperature Compensation
automatic ‐5.0 to 105.0 °C/23.0 to 221.0 °F
pH CAL Check (electrode diagnostics)
probe condition indicator
pH Sensor Check
yes
ORP Range
±1999 mV (ORP)
ORP Resolution
1 mV (ORP)
ORP Accuracy
±2 mV (ORP) ±0.5 °C up to 60 °C ±1.0 °C outside ±1.0 °F up to 140 °F ±2.0 °F outside
mV Range
±825 mV (pH‐mV)
mV Resolution
1 mV (pH‐mV)
mV Accuracy
±1 mV (pH‐mV)
Temperature Range
-5.0 to 105.0°C / 23.0 to 221.0°F
Temperature Resolution
0.1°C / 0.1°F
Temperature Accuracy
±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)
pH/ORP Electrode
HI12973 pre-amplified pH/ORP probe with internal temperature sensor, quick connect DIN connector and 1 m (3.3’) cable (included)
Automatic Shut-Off
user selectable
Battery Type/Life
1.5V (3) AAA / approximately 1400 hours of continuous use
