Hanna HI-991003 Extended Range pH Meter with pH/ORP electrode & °C sensor

Product Id : 267916


Hanna HI-991003 is a lightweight, durable, portable, pH/ORP and temperature meter for pH and ORP measurements encountered in recreational waters (swimming pools and spas), plating baths, water treatment, manufacturing and environmental testing applications.

50 in stock

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Country : United States

Product Description

Hanna HI-991003 is supplied with the HI-12973 rugged probe protected with a titanium body specially designed for use on this meter.


  • Simultaneous pH, ORP, and temperature measurements will be displayed on a large three-line LCD display
  • Automatic pH calibration at one or two points within two memorized buffer sets (standard or NIST)
  • User-friendly two-button design
  • Selectable temperature unit (°C)
  • Electrode condition indicator
  • mV of pH measurement for electrode check
  • HI-12973 dedicated pH/ORP with integral temperature sensor
  • Probe quick connect system
  • Battery life indication and low battery detection
  • Keystroke confirmation tone
  • Auto-off function
  • Waterproof casing IP67

Additional Information

Weight 1 kg
Manufacturer Hanna
Model HI-991003
Measuring Parameters pH, ORP, mV & Temperature
Environment 0 to 50°C (32 to 122°F); RH max 100%
Automatic Shut-Off user selectable: after 8 min, 60 min or disabled
Battery 1.5V (3) AAA
Battery Life approximately 1400 hours of continuous use
IP Protection IP67
Dimensions 154 x 63 x 30 mm
Weight 0.196 kg
Range pH -2.00 to 16.00 pH; -2.0 to 16.0 pH; ORP ±1999 mV (ORP); mV ±825 mV (pH‐mV); Temp. -5.0 to 105.0°C / 23.0 to 221.0°F
Resolution pH 0.01 pH; 0.1 pH; ORP: 1 mV ; pH-mV: 1 mV (pH‐mV); Temp.: 0.1°C / 0.1°F
Accuracy pH: ±0.02 pH; ±0.1 pH; ORP: ±2 mV ±0.5 °C up to 60 °C, ±1.0 °C outside ±1.0 °F up to 140 °F,  ±2.0 °F outside mV: ±1 mV (pH‐mV); Temp.: ±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)

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