Gold Member Since 2007
Audited Supplier
Ningbo Ville Electric Co., Ltd.

Thermometer, Contact Thermometer, Pressure Thermometer manufacturer / supplier in China, offering Transformer Thermoregulator, Capacitor Voltage Transformer, Water Cooled High Current Cable and so on.

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Transformer Thermoregulator

FOB Price: US $200-2,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $200-2,000/ Piece
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Production Capacity: 50000 Sets/Year
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: VBWY-804 ATH/VBWY-804 DTH Series
  • Certification: CE, UL, ISO
  • Type: Temperature Sensor
  • Material: Stainless Steel
  • Indicative Accuracy: Direct Current Signal
  • Trademark: VILLE INDUSTRY
  • Origin: Ningbo China
  • Usage: Transformer Temperature Controll
  • Control Type: Digital
  • Display Type: LED
  • Constant Voltage Signal: (0-5)V (1-5)V
  • Communication Interface: RS232 or RS485
  • Specification: IEC CE, ISO
  • HS Code: 8
Product Description
VBWY-804 Transformer Thermoregulator is a new generation product derived from Model BWY 802/803 one in compliance with JB/T 6302 Standard of Pressure-type Thermoregulator For Transformer issued by THE National Machinery Ministry. It is suitable for taking measurement and control of oil temperature in a medium-sized or Large-sized Transformer.
Main Technical Parameters:
1, Normal operating conditions: (-30~+55)º C
2, Measuring range: 0~100 0~120 0~150
3, Indicative accuracy: 1.5 grade
4, Control function:
(1). Setting range: Adjustable within the whole span
(2). Setting accuracy: ± 3
(3). Switch difference: 6± 2
(4). Rated power of switch: AC 250V/3A
(5). Standard set Point:
0-100: K1=55 K2=65 K3=80 K4=90
0-120: K1=55 K2=65 K3=80 K4=100
0-150: K1=55 K2=65 K3=80 K4=130
5, Output:
(1). Pt 100 platinum resistance signal
(2). DC (4-20) mA signal
(3). DC (0-5) V signal
6. Protection grade: IP55

4, Control point setting
4.1 Of VBWY-804 Thermoregulator:
The temperature control points of eachV BWS— 804 have been already set in accordance with JB/T6302-92 standard before its delivery. (refer to: 3. Main techuical parameters) If users need to change the value of set points, please follow below procedures:
4.1. 1 take off the meter cover with a supplied 10mm solid wrench;
4.1. 2 Unscrew switch fixed bolts with a supplied 6mm solid wrench (refer to figure 4 );
4.1. 3 stir the red setting needles to set value planned;
4.1. 4 screw back switch fixed bolts;
4.1.5 close the cover.
4.2 Of VXMT-288F/288FC digital display thermometer:
4.2. 1 shift the toggle switch to "set" position(Figure 3 );
4.2. 2 Adjust the regulating potentiometer until the temperature value planned;
4.2. 3 shift the toggle switch back to "measurement" position.
-10 96.09Ω 31 112.06Ω 72 127.84Ω 113 143.43Ω
-9 96.48 32 112.45 73 128.22 114 143.80
-8 96.87 33 112.83 74 128.61 115 144.18
-7 97.26 34 113.22 75 128.99 116 144.56
-6 97.65 35 113.61 76 129.37 117 144.94
-5 98.04 36 114.00 77 129.75 118 145.31
-4 98.44 37 114.38 78 130.13 119 145.69
-3 98.83 38 114.77 79 130.52 120 146.07
-2 99.22 39 115.15 80 130.90 121 146.44
-1 99.61 40 115.54 81 131.28 122 146.82
0 100.00 41 115.93 82 131.66 123 147.20
1 100.39 42 116.31 83 132.04 124 147.57
2 100.78 43 116.70 84 132.42 125 147.95
3 101.17 44 117.08 85 132.80 126 148.33
4 101.56 45 117.47 86 133.18 127 148.70
5 101.95 46 117.86 87 133.57 128 149.08
6 102.34 47 118.24 88 133.95 129 149.46
7 102.73 48 118.63 89 134.33 130 149.83
8 103.12 49 119.01 90 134.71 131 150.21
9 103.51 50 119.40 91 135.09 132 150.58
10 103.90 51 119.78 92 135.47 133 150.96
11 104.29 52 120.17 93 135.85 134 151.33
12 104.68 53 120.55 94 136.23 135 151.71
13 105.07 54 120.94 95 136.61 136 152.08
14 105.46 55 121.32 96 136.99 137 152.46
15 105.85 56 121.71 97 137.37 138 152.83
16 106.24 57 122.09 98 137.75 139 153.21
17 106.63 58 122.47 99 138.13 140 153.58
18 107.02 59 122.86 100 138.51 141 153.96
19 107.40 60 123.24 101 138.88 142 154.33
20 107.79 61 123.63 102 139.26 143 154.71
21 108.18 62 124.01 103 139.64 144 155.08
22 108.57 63 124.39 104 140.02 145 155.46
23 108.96 64 124.78 105 140.40 146 155.83
24 109.35 65 125.16 106 140.78 147 156.20
25 109.73 66 125.54 107 141.16 148 156.58
26 110.12 67 125.93 108 141.54 149 156.95
27 110.51 68 126.31 109 141.91 150 157.33
28 110.90 69 126.69 110 142.29    
29 111.29 70 127.08 111 142.67    
30 111.67 71 127.46 112 143.05    
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