HI-991401 pH Gro'Chek® pH and Temperature Monitor information
Hanna's extended description
The HI-991401-02 water resistant housing has been designed to meet the growers' need for an indicator that is well suited to withstand the aggressive environments found in agricultural and hydroponics applications. Measurements are highly accurate and can be verified with one or two point calibrations. With a 12 VDC power supply included with the meter, low battery failures are never an issue.
This indicator from Hanna has a large backlit LCD to give users instantaneous readings of both pH and temperature that can be easily read in dim light. The HI-991401 provides automatic calibration, automatic buffer selection and automatic temperature compensation.
The pH electrode has been specially designed to address the needs of growers. Its design guarantees greater clogging resistance in fertiliser solutions with high concentrations of phosphate, nitrate, etc. to ensure longer electrode life.
Product uses
- Agriculture
- Horticulture
- Hydroponics


Specifications
Specifications list
Specifications
Range - pH | 0.0 to 14.0 pH | |
Range - Temperature | 0.0 to 60.0°C (32 to 140°F) | |
Resolution - pH | 0.1 pH | |
Resolution - Temperature | 0.1°C (0.1°F) | |
Accuracy - pH | ±0.1 pH | |
Accuracy - Temperature | ±0.5°C (±1°F) | |
Probe | HI 1293D pH electrode (included) and HI 1294 temperature probe (fixed) | |
pH Calibration | automatic, 1 or 2 points with 2 sets of memorized buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18) |
|
Temperature Compensation | Automatic | |
Input Impedance | 1012 Ohm | |
Power Supply | 12 Vdc power adapter (included) | |
Environment | 0 to 50°C (32 to 122°F); RH max 95% | |
Dimensions | 160 x 105 x 31 mm (6.3 x 4.1 x 1.2) | |
Weight | 190 g (6.7 oz.) - meter only |
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