SKU: SENS-0324
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SN-300HHT-PH-N01-201T Handheld Water Quality pH Transmitter (RS485 Modbus)

₹16,549.00 (Inclusive of all taxes)
Out of Stock

The SN-300HHT-PH-N01-201T is a handheld pH transmitter designed for field and laboratory water quality analysis, featuring RS485 Modbus-RTU communication for seamless integration with SCADA, PLCs, and data acquisition systems. It provides precise pH measurements with a high-resolution 2.8″ LCD for real-time monitoring in demanding environments.

Features

  • High-precision handheld pH transmitter with RS485 Modbus-RTU communication interface.
  • Large 2.8″ full-color LCD screen for clear real-time data display in field conditions.
  • Integrated 5000mAh rechargeable lithium battery supports ≥8 hours of continuous operation.
  • Extensive onboard storage capacity for up to 340,000 measurement records.
  • Rugged ABS engineering plastic housing rated for operation from -20°C to 60°C.

Out of stock

Description

The SN-300HHT-PH-N01-201T is a professional-grade handheld transmitter engineered for accurate pH measurement in water quality monitoring applications. It employs a high-impedance input circuit paired with a precision pH electrode to deliver stable readings, with a fast response time of ≤5 seconds. The device is built for portability and durability, featuring an ABS plastic housing that withstands harsh environmental conditions from -20°C to 60°C.

Communication is handled via an RS485 interface using the Modbus-RTU protocol, enabling direct connection to industrial control systems, data loggers, and remote monitoring networks. The unit includes comprehensive data management features, such as one-click USB export and configurable over-limit alarms with audible buzzer prompts, making it suitable for applications in environmental compliance, aquaculture, wastewater treatment, and industrial process monitoring.

Key Features

  • High-precision pH measurement with fast ≤5 second response time for real-time monitoring.
  • RS485 Modbus-RTU communication protocol enables seamless integration with PLCs and SCADA systems.
  • Large 2.8" full-color LCD provides clear visibility of readings, trends, and status alerts.
  • Robust ABS engineering plastic construction ensures durability in field use from -20°C to 60°C.
  • High-capacity 5000mAh rechargeable lithium battery supports extended operation (≥8 hours).
  • Substantial internal memory stores up to 340,000 data points for long-term logging.
  • User-friendly one-key USB data export simplifies report generation and data analysis.
  • Configurable high/low limit alarms with visual and audible (buzzer) alerts.

Applications

  • Environmental water quality monitoring in rivers, lakes, and coastal areas.
  • pH control and monitoring in aquaculture and hydroponic systems.
  • Industrial wastewater discharge compliance and treatment process monitoring.
  • Laboratory and field research for aquatic science and environmental studies.
  • Drinking water quality assessment and municipal water treatment plant operations.

Technical Specifications

Model NumberSN-300HHT-PH-N01-201T
Item TypeHandheld Water Quality pH Transmitter
Measurement ParameterpH
Communication InterfaceRS485 (Modbus-RTU)
Display2.8" Full-Color LCD
Operating Voltage3.7V DC (Internal Battery)
Working Current80–150 mA
Battery Capacity5000mAh Rechargeable Lithium
Operating Time≥8 hours
Response Time≤5 seconds
Data StorageUp to 340,000 records
Operating Temperature-20°C to 60°C
Housing MaterialABS Engineering Plastic
Dimensions (L x W)370 mm x 230 mm
Weight1741 g

Frequently Asked Questions

What communication protocol does this handheld pH transmitter use?

The transmitter uses an RS485 serial interface with the Modbus-RTU protocol. This standard industrial communication protocol allows for easy integration with Programmable Logic Controllers (PLCs), SCADA systems, data loggers, and other Modbus-compatible devices for remote monitoring and data acquisition.

How is the device powered and what is its battery life?

The unit is powered by an integrated, rechargeable 5000mAh lithium battery. Under typical operating conditions, it provides a minimum of 8 hours of continuous use on a full charge. It includes a charging cable and adapter for convenient recharging from standard power outlets.

What is included in the package for calibration and use?

The package includes the main transmitter unit, connection cable, power adapter, charging cable, and a braided protective sleeve. For calibration, it is supplied with three packets of pH buffer powder, allowing you to prepare standard solutions for accurate two-point calibration of the pH electrode.

What is the operating temperature range and environmental rating?

The transmitter is designed for field use with an operating temperature range of -20°C to 60°C. Its housing is constructed from durable ABS engineering plastic, providing robustness against physical impacts and environmental exposure typical in outdoor and industrial settings.

Package Includes

  • 1 x SN-300HHT-PH-N01-201T Handheld pH Transmitter
  • 1 x Handheld Meter Unit
  • 1 x Connection Cable
  • 1 x Power Adapter
  • 1 x Charging Cable
  • 3 x pH Buffer Powder Packets
  • 1 x Braided Protective Sleeve

Additional Information

Weight 1.741 kg
Dimensions 37 × 23 cm