1, the main features
Interference with the new hardware and software design ▲ have strong interference rejection capability, to meet international standards (IEC61000) index requirements.
▲ adjusted using the I2C and storage technology, data protection save power.
▲ first designed for the user "analog output state detection" function, ergonomic design greatly facilitate the users to install before the temperature controller testing and debugging.
▲ fan motivation (regular start and stop) feature, to avoid long periods of time to run the fan locked rotor corrosion.
▲ with 4 ~ 20mA analog current output. With RS-485 asynchronous communication.
Second, technical indicators
1, measurement range: 0.0 ~ 200.0 ℃
2, measurement accuracy: ± 1% FS (Temperature Controller 0.5, sensor 0.5)
3, resolution: 0.1 ℃
4, the digital compensation range: -19.9 ℃ ~ +19.9 ℃
5, using the conditions: ambient temperature -20 ~ +55 ℃
Relative humidity <85%
Supply voltage 220V (+10%, -15%)
Power frequency (50HZ ~ 60HZ) ± 2HZ
6, relay contact outputs: fan contact capacity: 7A/250VAC; 7A/30VDC
Control output capacity: 7A/250VAC; 7A/30VDC
7, temperature controller power consumption: ≤ 8W
8, temperature control instrument Weight: about 1kg
9, Overall Dimensions: 80mm × 160mm × 140mm (H × W × D)
10, hole size: 76 +1 mm × 152 +1 mm (width × height)
11, sensor type: Pt100 (φ4 × 40mm)
12, analog current output: 4 ~ 20mA (linear corresponding to 0.0 ~ 200.0 ℃), the load resistance ≤ 500Ω
13, Communication: RS-485 communication is connected with RS-485/232 Interface, up to 28 sets of temperature controller connected, communication range up to 1200 meters
14, production standards: JB/T7631-2005 "transformer resistance thermometer"
15, through the certification standards: ISO9001 international quality management system certification
16, by the test standards: IEC61000-4: 1995 International Standard
GB/T17626-1998 "EMC test and measurement technology" standards
17 pilot projects by the anti-jamming
1) The common-mode AC 250V (50HZ) or series mode AC 200mV (50HZ) interference voltage, the display changes less than the basic error.
2) Electrical Fast Transient: temperature controller power cord and input / output terminal can withstand the frequency 5KHz, voltages were 1KV 2KV and electrical fast transient test, display and control the absolute value of additional error limits to meet the standards .
3) Static Interference: the temperature control unit can withstand electrostatic discharge test 8KV, display and control the absolute value of additional error limits to meet the standards.
4) Space radio frequency interference: the temperature control unit can withstand a frequency of 80 ~ 1000MHz, field strength 10V / m electromagnetic field radiation tests, the display and control the absolute value of additional error limits to meet the standards.
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