1. the main features
▲ dual 4 LED display, so that the working status of temperature control and measurement
value display more intuitive.
▲ adjusted using the I2C and storage technology, data protection save power.
▲ manual / automatic fan start and stop.
▲ with over temperature alarm, over temperature trip, fan start and stop functions.
▲ with 4-20mA analog current output and RS-485 communication.
2．The Introduction of the Model and Function
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Model
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Function
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D
(routine)
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Three-phase circular display /maximum value display and exchange; Input circuit open alarm display and output; Self-check fault alarm display and output; Over-temperature alarm display and output; Over temperature trip display and output; Fan automatic control method/hand control method and exchange; Digital compensation of three phase display value; Time start and stop control of the fan; Output control function test ; “Black box” function
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E
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Including all the D functions, besides, the function of three independent current output 4~20mA is additional.
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F
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Including all the D functions, besides, the function of series communication of RS-485 is additional.
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G
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Including all the D functions, besides, the function of environment temperature measure, display and control is additional.
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I
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Including all the D functions, besides, the function of transformer core temperature measure, display and control is additional.
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NOTE：The idiographic type please make reference to the manufacture outline photo and corresponding type of the back cover, D、E、F、G、I type is carved up from idiographic function, and belongs to function character. Otherwise, it appears the finally bit in the type commonly.
▲ applicable to a variety of small dry-type transformers and European box changes
▲ choose folder installed in the transformer body parts or the casing
▲ transformer cooling fan starting current up to 7A
3.technical indicators
Sensor type: Pt100 (ф4 × 40)
Range :0.0-200 .0 ℃
Accuracy: ± 2.0 ℃
Operating frequency: 50Hz or 60Hz
Voltage: AC 220V
Dimensions: 80mm × 160mm × 80mm (H × W × D)
Hole Size: 76 +1 mm × 152 +1 mm (H × W)
On the common-mode AC 250V AC 200mV or series mode interference voltage on the frequency of 5KHz, voltages were 2KV (supply side) and 1KV (input / output) and electrical fast transient, on 4KV ESD, the frequency of 80 ~ 1000MHz, field strength 10V / m electromagnetic field radiation, the instrument error of indication and control of additional standards are met.
