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Hanna pH and EC Transmitter with Isolated Output: 4 - 20 mA (active) - HI98143
Specifications
| Brand | Hanna |
|---|---|
| pH Range | 0 to 14 |
| pH Accuracy | ±0.5% f.s. |
| EC Range | 0 to 10 mS/cm |
| EC Accuracy | ±2% F.S. |
| Temperature Compensation | Automatic (NTC sensor) 0–60°C for EC/TDS |
| Cell Type | 4-ring EC probe with built-in NTC sensor |
| Model | HI98143 |
| Analog Output | 4-20 mA (active), isolated |
Key Features
Hanna HI98143 pH and EC Transmitter for industrial water quality monitoring, supporting 4-20 mA (active) isolated output.
- Supports direct connection with pH (BNC) and EC probes with built-in temperature sensor for easy setup
- Dual channel input allows you to measure pH (0–14) and EC (0–10 mS/cm) at the same time
- 4–20 mA output ensures smooth integration with control systems for remote monitoring
- Automatic temperature compensation improves EC and TDS accuracy from 0 to 60°C
- Simple two-point manual calibration for both pH and EC ensures precise readings
- High accuracy with reliable performance for both pH and conductivity measurements
- Strong IP54 enclosure suitable for industrial, lab, and hydroponic environments
- Compact size (160 x 105 x 31 mm) makes it easy to install in panels or field setups
- Operates on 12–24 Vdc, ideal for flexible installation options
- Perfect for water treatment, hydroponics, and industrial process monitoring
Product Description
Hanna HI98143 is an advanced pH and EC transmitter engineered for professional industrial, laboratory, and water treatment process monitoring applications. Designed with dual input channels, it supports both standard pH probes (BNC connection) and four-pole EC probes (direct wire with NTC sensor), making it versatile for remote operation and automated systems. The HI98143 model delivers isolated 4-20 mA (active) analog output for seamless integration into existing control panels and process loops.
Suited for hydroponic facilities, water treatment plants, and laboratory automation, the HI98143 ensures accurate measurement and control of pH (0–14) and electrical conductivity (0–10 mS/cm). The transmitter integrates automatic temperature compensation for EC/TDS measurements, maintaining high precision across varying process temperatures (0–60 °C) via an internal NTC thermistor sensor. Manual two-point calibration (through trimmers) for both channels enables operators to fine-tune accuracy and offset as needed.
- Reliable, blind transmitter for industrial monitoring of pH and EC in water treatment, hydroponic, and laboratory environments.
- Dual channel support for independent pH and EC measurements, each with manual two-point calibration.
- Available analog output options for multiple process integration scenarios; HI98143 offers active 4-20 mA output.
- IP54-rated enclosure ensures protection in harsh industrial conditions with max 95% relative humidity (non-condensing).
- High accuracy: ±0.5% f.s. for pH, ±2% f.s. for EC, with trimmer-based calibration to compensate probe drift and environmental changes.
- Compact and robust design dimensions: 160 x 105 x 31 mm; weight: 280 g.
- 12–24 Vdc power supply for flexible installation and integration.
- This model is especially useful for remote processes demanding reliable, isolated output signals and stable, long-term performance, including in-line water quality systems, central monitoring stations, food industry, and research labs.
Applications: Water treatment, hydroponics, agriculture, manufacturing, laboratory process control, and environmental monitoring. Explore more Hanna water quality transmitters, process analyzers, and sensors on EnvMart.
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Frequently Asked Questions
The Hanna HI98143 transmitter has a pH measurement range of 0 to 14.
The pH accuracy of the HI98143 is ±0.5% full scale (f.s.).
The EC measurement range of the Hanna HI98143 is 0 to 10 mS/cm.
The EC accuracy of the HI98143 is ±2% full scale (f.s.).
The HI98143 features automatic temperature compensation using an NTC sensor, effective from 0 to 60°C for EC and TDS measurements.
The Hanna HI98143 provides an isolated 4-20 mA (active) analog output for integration with control systems.
The dimensions of the HI98143 are 160 x 105 x 31 mm, and it weighs 280 g.
The HI98143 supports standard pH probes with a BNC connection and four-pole EC probes with a built-in NTC sensor.
The HI98143 is suitable for industrial, laboratory, and hydroponic environments, with an IP54-rated enclosure for protection.
The HI98143 operates on a power supply of 12–24 Vdc, allowing for flexible installation options.
The HI98143 features manual two-point calibration for both pH and EC measurements, allowing for fine-tuning of accuracy.
The HI98143 is suitable for applications in water treatment, hydroponics, agriculture, manufacturing, and laboratory process control.
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