CT-3804 4 channels Analog Input -alternative CT-3844

This product has been delisted, please select CT-3844 as instead.

CT-3804: 4 channels Analog Input, Thermocouple(J type, K type, E type, T type, Stype, R type, B type, N type)

Module features

◆ The module supports 4-channel thermocouple signal acquisition

◆ The module carries with 4 analog indicators

◆ The module supports 9 kinds of conventional thermocouple temperature measurement type

◆ The internal bus of the module and field input adopts magnetic isolation

◆ The module input channel supports TVS overvoltage protection

◆ 24-bit ADC resolution (Σ-δ type)

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Technical Parameters

General Parameters
Power		Max.39mA@5.0Vdc
Isolation		I/O to internal bus: magnetic isolation (2.5KVrms)
Field Power		Not used
Wiring		Max.: AWG 18
Mounting Type		35mmDIN-Rail
Size		1151475mm
Weight		65g
Environment Specification
Operating Temperature of Vertical Installation		-35℃~70℃
Operating Temperature of Horizontal Installation		-35℃~60℃
Relative Humidity		5~ 95%RH (No Condensation)
Storage Temperature		-40℃~85℃
Storage Humidity		5~ 95%RH (No Condensation)
Manufacturing Test Temperature		-40℃~75℃
Ingress Protection Rating		IP20
Input Parameter
Channel Number		4 Channels
LED Indicator		4 Input LED Indicators
Sensor Type		J / K/ E / T / S / R / B / N type thermocouples
Acquisition Accuracy		±0.3% Full Scale，@25℃ ±0.5% Full Scale，@-40~85℃
Sampling Rate		70ms/4 channels
Measuring Range ℃	J Type	-210~1200℃
	K Type	-270~1370℃
	E Type	-270~1000℃
	T Type	-270~400℃
	S Type	-50~1760℃
	R Type	-50~1760℃
	B Type	0~1820℃
	N Type	-270~1300℃
	C Type	0~2320℃ (not available)
Data Format		16-Bit Signed Integer (Integer)
Diagnostic Function		-32767: No thermocouple model selected (that is, the channel is disabled) 32766：open circuit disconnection 32767：Temperature overflow -32768：Temperature underflow 32765: ADC chip fault 32764: cold junction compensation conversation fault value