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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 two small bottles of storage and cleaning solution, which are very much needed. This pH Meter arrives calibrated at the factory, yet you will want to order the 4.0 and 7.0 calibration solution packets**
Buffering (calibration) Solution 4.0 & 7.0.
**Store the solutions in a very small plastic or glass container for future calibrations.
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.