Temperature Sensors

Head Mounted Analog Temperature Transmitter

High-accuracy head-mounted temperature transmitter with analog 4~20mA/0-5V/0-10V and RS485 Modbus-RTU output, supporting RTD, thermocouple, resistor, and millivolt inputs for industrial applications.

Features

Supports RTD inputs: PT100, PT1000, Cu50, Cu100

Supports thermocouples: K, B, E, J, N, R, S, T, WRE3-25, WRE5-26

Also compatible with resistors and millivolt input signals

Analog outputs: 4~20mA, 0~5V, 0~10V

Digital output: RS485 Modbus-RTU

Optional HART protocol support

High accuracy: 0.2% and 0.1% optional

Developed with 16-bit and 24-bit ADCs for stable performance

Industrial-grade ICs for long-term reliability

Anti-surge and anti-reverse protection built-in

Configurable via USB on PC or Android phone

Low power consumption and enhanced software with reset & task scheduler

Low-cost ownership with customizable options for OEM and bulk orders

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Product Description

The SRS Head Mounted Analog Temperature Transmitter is a cost-effective and high-performance solution for industrial temperature sensing. Compatible with a wide range of RTDs (PT100, PT1000, Cu50, Cu100), thermocouples (K, B, E, J, N, R, S, T, WRE3-25, WRE5-26), resistors, and millivolt signals, it offers analog output options (4~20mA, 0~5V, 0~10V) and digital RS485 Modbus-RTU output. Built on a 16/24-bit industrial-grade platform, it provides excellent accuracy (up to 0.1%) and long-term stability. Designed with anti-surge, anti-reverse protection, and low-voltage monitoring, this transmitter is ideal for signal conditioning in harsh industrial environments. Optional HART protocol and configuration via PC or Android mobile phone are also supported.

Specifications

Brand:SRS

Manufacturer:SRS

Sensor Type:Temperature Transmitter

Model:HTT-MOD-485

Input:RTD: PT100, PT1000, Cu50, Cu100; Thermocouple: K, B, E, J, N, R, S, T, WRE3-25, WRE5-26; Resistors; Millivolt signals

Output:4~20mA, 0~5V, 0~10V, RS485 (Modbus-RTU)

Optional Protocol:HART

Accuracy:0.2% or 0.1% (optional)

ADC Resolution:16-bit and 24-bit

Features:Anti-surge, anti-reverse, low-voltage monitor, task optimization

Configuration:Via PC USB or Android mobile phone (for select models)

Installation:Head-mounted

Power Supply:24V DC (typical)

Weight:Approx. 160g

Casing Type:Industrial PCB module (head-mount compatible)

Country of Origin:India

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