Two parameters with a single instrument

Advanced electrode technology

Simple operation and maintenance

Supplied complete and ready to use


HI 981405N-01 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-01 is compact and easy to install and use making it ideal for all continuous monitoring applications.


Order Information:

HI 981405N-01 (115V) and 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.

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


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.)

Write a review

Note: HTML is not translated!
    Bad           Good

Hanna pH & EC Continuous Indicator

  • Product Code: Hanna pH & EC Continuous Indicator HI 981405N-01
  • Availability: Must be customer to view

Related Products

Aptus P-Boost 1 Liter

Aptus P-Boost 1 Liter

Powerful bloom stimulatorPlants in the blooming Phase have an increased demand for phosphorus. P-Boo..