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Waterproof Portable pH/ORP/EC/ISE Meters

Portable Instruments for pH, ORP, Electrical Conductivity and Ion Specific Analysis

The HI 9126 is the next generation in professional, accurate, easy-to-use pH meters. Designed to provide laboratory results in a sleek, portable design, the HI 9126 features Calibration Check™ technology. Calibration Check™ monitors the pH electrode every time the instrument is calibrated. In the event of a dirty pH bulb, Calibration Check™ prompts the user that additional cleaning may be needed.

HI 9033 and HI 9034 have been proven time and again to hold up under extended use in wet, humid, dusty and muddy conditions. Both meters perform measurements with automatic temperature compensation which adjusts for the effects of temperature. These portable instruments also feature Battery Error Prevention System technology that alerts the user when low batteries could affect the readings.

The HI 991300 and HI 991301 offer you the combination of pH, electro-conductivity, total dissolved solids and temperature measurements. To increase precision, select the meter which will work best with your range of conductivity, from purified to brackish waters. There are only 2 buttons, yet you can select from a range of calibration buffers and even the temperature scale (°C or °F) most familiar to you. The multi-functional probe includes pH, EC/TDS and temperature in one convenient, rugged handle.

Portable pH MeterHI 9126 portable pH/ORP Meter

Specifications HI 9126
pH range -2.00 to 16.00 ± 0.01 pH
mV ranges ±699.9mV (ISE) ±1999mV (ORP)
Tº range -20.0 to 120.0 ± 0.1ºC
Calibration 1 or 2 points (7 buffer values)
Tº compensation Automatic -20.0 to 120.0
pH electrode Plastic body
Dimensions 185x72x36mm
Weight 300g

Portable Conductivity MeterHI 9033 & HI 9034 Portable EC TDS Meters

Specifications HI 9033 EC HI 9034 TDS
Range 0.1µS/cm to 199.9mS/cm 0.1ppm (mg/L) to 19.99ppt (g/L)
Tº compensation Automatic 10 to 50ºC Automatic 10 to 50ºC
Calibration Manual 1 point Manual 1 point
Probe Four-ring with Tº sensor Four-ring with Tº sensor
Dimensions 185x72x36mm 185x72x36mm
Weight 425g 425g

Portable pH-ORP-EC MeterHI 991300 & HI 991301 Portable pH/EC/TDS Meters

Specifications HI 991300 HI 991301
pH Range 0.00 to 14.00 0.00 to 14.00
EC Range 0 to 3999µS/cm 0.00 to 20.00 mS/cm
TDS Range 0 to 2000 ppm (mg/L) 0.00 to 10.00 ppt (g/L)
Tº range 0.0 to 60.0ºC 0.0 to 60.0ºC
pH calibration Automatic 1 or 2 points Automatic 1 or 2 points
EC/TDS cal. Automatic 1 point Automatic 1 point
Tº compensation Automatic Automatic
Probe Plastic body with Tº sensor Plastic body with Tº sensor
Dimensions 152x58x30mm 152x58x30mm
Weight 205g 205g

Lightweight and accurate

Affordable prices

Waterproof IP67