HI 981405N-02 is ideal for agricultural, horticultural and hydroponics applications where pH and EC levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD’s.
The HI 1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate, nitrate, etc.
This model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life.
The HI 981405N-02 is compact and easy to install and use making it ideal for all continuous monitoring applications.
Order Information: HI 981405N-02 (230V) are supplied complete with HI 1286 pH electrode, HI 7632 EC probe, HI 1283 grounding bar, calibration solutions, screwdriver for calibration, 12 VDC adapter and instructions.
Specification :
| Range | pH | 0.0 to 14.0 pH |
| EC | 0.00 to 9.99 mS/cm | |
| Resolution | pH | 0.1 pH |
| EC | 0.01 mS/cm | |
| Accuracy @ 20°C | pH | ±0.2 pH |
| EC | ±2% F.S. | |
| Calibration | pH | manual at one or two points |
| EC | manual at one point | |
| Temperature Compensation | automatic from 5 to 50°C (41 to 122°F) (EC only) | |
| Probes | HI 1286 interchangeable pH electrode (included), HI 7632 EC probe (fixed), HI 1283 grounding bar with 2 m (6.6’) cable (included) | |
| Power Supply | 12 VDC adapter (included) | |
| Environment | 0 to 50°C (32 to 122°F), RH 95% | |
| Dimensions | 165 x 110 x 35 mm (6.5 x 4.3 x 1.3”) | |
| Weight | 300 g (10.6 oz.) |
HI5004 - 4.01 pH@25°C - TQ - 500ml 


