1. Product overview

XMT202D is a high precision measuring instrument designed specifically for monitoring the oil temperature of power transformers. Real time monitoring of transformer oil temperature status can prevent overheating faults and ensure the safe and stable operation of power equipment.

2. Functions & features

• Optional functions

It’s equipped with linear analog constant voltage or constant current temperature transmission output function of 0-5V, 0-10mA or 4-20mA.

• Intelligent alarm and protection

The threshold can be adjusted, and the alarm output for exceeding the limit controls the cooling fan/alarm device.

• Wide environmental adaptability

Measurement range: 0-120.0 ℃ (or specified by the user) Basic error: Level 0.5

3. Technical specifications

Temperature measurement range: 0-120.0 ℃ (or specified by the user)

Setting range: Full range

Basic error: Level 0.5

Display: 1.2-inch LED with 3 and a half digits

Reading resolution: 0.1℃

Working voltage: AC (DC) 110~220V ± 15%

Remote communication output contact capacity: AC220 3A, 2 sets

Constant voltage output: DC 0～5V or 1～5V (load resistance>150Ω) (corresponding to 0～120℃)

Constant current output: 0～10mA (load resistance 0～1KΩ)   (对应0～120℃) or 4～20mA (load resistance 0～500Ω) (corresponding to 0～120℃)

Dimension：160×80×175(mm) Hole size：152×76(mm)

4. Applications

Power system: Real-time monitoring of oil temperature in 110kV and above main transformers to start and stop the cooling system.

Renewable energy station: Overheating protection for wind/photovoltaic step-up transformers to reduce fire risks.