Our company specializes in importing industrial control spare parts, and we can help you transfer most of them from abroad. Due to the wide variety of models, we were unable to upload physical pictures one by one!
If the model you need cannot be found in our store, please feel free to inquire at any time.

GE 201TI｜Essential DGA Monitoring for Transformers｜

GE 201TI｜Essential DGA Monitoring for Transformers｜illustration

1. Monitoring principle and gas
Sensor: Fuel Cell type, in contact with transformer oil through a breathable membrane
Measurement object: Composite fault gas (mainly H ₂, sensitive to CO, C ₂ H ₂, C ₂ H ₄); Optional “H ₂ only” sensor
Range: 0-2000 ppm (H ₂ equivalent)
Accuracy: ± 10% reading ± 25 ppm (H ₂ equivalent)
Response time: 10 minutes (90% step change)

2. Power supply and power consumption
Power supply: 90-132 VAC/180-264 VAC (switchable), 47-63 Hz
Maximum power consumption: 475 VA

3. Machinery and Installation
Appearance: cylindrical, diameter 178mm x length 180mm
Installation: Directly installed on the 1 “/1.5″/2 “NPT oil drain valve of the transformer, without the need for a pump or additional piping
Weight: Installation weight 5.6kg (12lb), transportation weight 6.9kg (15lb)
Protection: NEMA 4X/IP66, suitable for outdoor/harsh environments

4. Environment
Working temperature: -40 ° C to+55 ° C
Oil temperature range: -40 ° C to+105 ° C (with heat dissipation adapter)
Humidity: 0-95% RH (no condensation)

5. Output and Communication
Analog output: 4-20 mA (isolated), corresponding to gas concentration
Digital communication: RS-485 (Modbus RTU), supports remote reading and trend viewing
Alarm: Local/remote alarm, threshold alarm or change rate alarm can be set