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The pHep 4 is the newest pH meter made by Hanna Instruments. This model has BEPS (Battery Error Prevention System) as well as user selectable automatic shut-off, replacable pH electrode cartridge, stability indicator and automatic calibration. It is already calibrated at the factory yet always a good idea to recalibrate when you receive it. Takes less than 5 minutes. Includes 4.0 and 7.0 calibration (buffering)solutions. Store the solutions in a very small plastic or glass container for future calibrations. Includes Cleaning and Storage Solution.
Waterproof and designed to float.
- Automatic Temperature Compensation
- Automatic calibration
- Tactile grip casings
- HOLD function
- Automatic shut-off
- Efficient two button operation
- Temperature in °C or °F
- BEPS (Battery Error Prevention System)
- Battery % displayed at startup
- Storage & Cleaning Solutions
- 4.0 and 7.0 Calibration Solutions
The pHep®4 tester is for users that require the greatest accuracy and features while staying economical. This model has BEPS as well as user selectable automatic shut-off, replacable pH electrode cartridge, stability indicator and automatic calibration.
HI 98127 (pHep®4) is supplied with HI 73127 pH electrode, HI 73128 electrode removal tool, batteries and instructions.
Range pH -2.0 to 16.0 pH
Temperature -5.0 to 60.0°C / 23.0 to 140.0°F
Resolution pH 0.1 pH
Temperature 0.1°C / 0.1°F
Accuracy @ 20°C pH ±0.1 pH
Temperature ±0.5°C / ±1°F
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)
Temperature Compensation Automatic
Battery Type / Life 1.5V (4) / approximately 300 hours of continuous use; auto-off after 8 minutes of non-use
Environment -5 to 50°C (23 to 122°F); RH max 100%
Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0")
Weight 100 g (3.5 oz.)
Shipping Included within the USA. International Shipping Available.