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Hanna pH and EC Transmitter with Isolated Output: 4 - 20 mA (passive) - HI98143
Specifications
| Country of Origin | India |
|---|---|
| Package Contents | Transmitter only, probes not included |
| Power Supply | 12–24 VDC |
| Dimensions | 160 x 105 x 31 mm |
| Connections | BNC (pH), direct wire, NTC sensor (EC) |
| Output signal | 4–20 mA (passive) |
| pH Range | 0 to 14 |
| pH Accuracy | ±0.5% f.s. |
| Environment | 0 to 50 °C, max 95% RH non-condensing |
| EC Range | 0 to 10 mS/cm |
| EC Accuracy | ±2% F.S. |
| Cell Type | 4-ring EC probes |
| Model | HI98143 |
| IP Rating | IP54 |
| Weight | 0.28 Kg |
| Measurement Parameters | pH, EC |
| Product Condition | New |
| MPN | HI98143 |
| Temperature Compensation (EC) | Automatic, 0 to 60 °C |
Key Features
HI98143 pH and EC Transmitter with isolated 4–20 mA analog output for precise measurement and control in water treatment and hydroponics applications.
- Industrial-grade transmitter for pH (0–14) and EC (0–10 mS/cm) measurements.
- Features fully isolated 4–20 mA passive output for reliable remote monitoring.
- Direct connections: BNC for pH probe, direct wire and NTC for EC probe.
- Automatic EC temperature compensation from 0 to 60 °C.
- Manual 2-point pH calibration via trimmers.
- Supports both pH and EC/TDS four-ring probes.
- 12–24 VDC power supply enables flexible integration in process control panels.
- Durable IP54 enclosure suitable for industrial and field installations.
- High accuracy: ±0.5% f.s. (pH), ±2% f.s. (EC).
- Compact size: 160 x 105 x 31 mm, weight approx. 0.28 kg.
Product Description
The HI98143 pH and EC Transmitter is a professional industrial instrument engineered for simultaneous measurement of pH (0–14) and electrical conductivity (EC, 0–10 mS/cm), featuring a fully isolated 4–20 mA (passive) analog output. Designed for remote process control in water treatment, hydroponics, laboratories, and industrial automation, it provides highly reliable and noise-resistant transmission of measurement signals for integration with a wide variety of PLCs and controllers.
This transmitter offers simple, direct probe connections: a BNC interface for the pH probe and an NTC sensor-integrated direct wire for EC, supporting four-ring EC/TDS probes for improved accuracy and stability across the measurement range. EC readings are automatically temperature compensated from 0 to 60 °C, ensuring reliable results in fluctuating environmental conditions. pH measurement features manual 2-point calibration via front panel trimmers for offset and slope adjustments.
- Dual parameter transmitter: Measures both pH (0–14) and conductivity (0–10 mS/cm).
- High-accuracy signal conditioning with ±0.5% f.s. (pH) and ±2% f.s. (EC).
- Current loop output (4–20 mA, passive) for interference-free remote monitoring and integration.
- Direct probe connections and IP54 enclosure for robust, low-maintenance operation in demanding industrial settings.
- 12–24 VDC supply for compatibility with standard process control infrastructure.
- Automatic temperature compensation for EC via built-in NTC thermistor.
- Manual pH calibration via accessible panel trimmers.
- Compact and lightweight: 160 x 105 x 31 mm, ~0.28 kg.
Ideal for process industries, laboratory monitoring, environmental engineering, water and wastewater plants, and hydroponics. For more pH, EC, and industrial transmitter solutions, browse the complete range in the EnvMart catalog.
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Frequently Asked Questions
The HI98143 transmitter measures pH from 0 to 14 and electrical conductivity (EC) from 0 to 10 mS/cm.
The transmitter features automatic temperature compensation for EC readings using a built-in NTC thermistor, ensuring accurate measurements from 0 to 60 °C.
It provides a fully isolated 4-20 mA passive output, allowing for reliable remote monitoring and integration with various PLCs and controllers.
Yes, the HI98143 has an IP54 enclosure, making it suitable for industrial and field installations, including outdoor environments.
The pH measurement can be manually calibrated using accessible front panel trimmers for offset and slope adjustments.
The transmitter operates on a 12-24 VDC power supply, allowing for flexible integration into standard process control panels.
The HI98143 measures 160 x 105 x 31 mm and weighs approximately 0.28 kg, making it compact and lightweight for easy installation.
Yes, the HI98143 is designed for use in hydroponics, water treatment, and laboratory monitoring, providing accurate pH and EC measurements.
The transmitter supports direct connections for BNC pH probes and four-ring EC/TDS probes, ensuring improved accuracy and stability.
For more information or to make a purchase, please browse the complete range of pH, EC, and industrial transmitters available in the EnvMart catalog.
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