Đồng hồ đo nhiệt độ máy biến áp lực, Hangzhou Guanshan BWY (WTYK) -804DTH , BWY-804D

BWY-804 series transformer temperature controller is a new generation product developed on the basis of BWY-802, 803 type temperature controller. Suitable for medium and large transformers for oil surface temperature measurement and control.

BWY-804 series thermostat has the following new features:

1. Wide application range:

According to the intelligent control requirements of unattended substations, this machine can output the following control signals:

(1) Pt100 platinum resistance;

(2) DC 4-20mA current;

(3) RS232, RS485 communication interface.

2, with 4 groups of switches, the switch can be set in full range, respectively for the control of the transformer cooling system, over temperature alarm, over temperature trip, etc.

Main technical indicators of BWY-804 series thermostat:

1. Normal working conditions: -30 ~ + 55 ℃, relative humidity 5% ~ 95%

2. Temperature measurement range: 0 ~ 150 ℃

3. Indication: 2.0

4. Dimensions of the temperature package and installation thread: φ14 × 150mm; M27 × 2

5. Control performance:

(1) Setting range: full range adjustable

(2) Setting degree: ± 3 ℃

(3) Switching difference: 6 ± 2 ℃

(4) Rated power: AC220V / 5A

(5) Factory standard set point: K 1 = 55 ℃ K 2 = 65 ℃ K 3 = 80 ℃ K 4 = 120 ℃

6. Output performance: Pt100, 4-20mA, 0-5V or 1-5V