Signal Transmitter Signal Isolator 4-20mA Signal to RS485 Converter DC Signal Converter

• Customization: Available
• Frequency Range: PCS1900
• Frequency: 1900~1990MHz
• Model NO.: HDH
• Trademark: Huaibei Huadian
• Origin: Shanghai
• HS Code: 8504902000
• Production Capacity: 10000/Week

Product Description

HDH-20 series AC voltage transmitter is used to isolate and convert AC voltage signals into standard analog signals. It is used for DCS to centrally monitor motors, pumps or heat networks, and monitor power supply lin
es and their currents.
Reliable isolation of input, output and power three ports

 

Product Model Table
HDH-20	X	X	X	Description
Channel configuration	1			1 in 1 out
Input signal		A		0-100V
		B		0-300V
		C		0-500V
		D		others
Output signal			1	4-20mA
			2	0-20mA
			5	0-5V
			7	0-10V
			S	others
Note: The customer needs to determine the input and output signals when ordering, and can be customized if there are special needs.

Selection example:
HDH-20-XXX
Eg: HDH-20-1B1 one in and one out, input 0-300V, output 4-20mA, 24VDC power supply

Technical Parameters
Input Terminal:
Input voltage range	AC  0-100V;0-300V;0-500V;0-1000V
Frequency Range	40Hz-60Hz
Output Terminal:
Output signal	4-20mA;0-20mA;0-5V;0-10V,etc
Output load resistance	RL≤500Ω( output is a current signal) RL≥10KΩ(output is a voltage signal)
Basic parameters:
Power supply	DC24V,DC12V
Rated power consumption	≤1W(One in and one out. DC24V power supply, at 20mA output)
Accuracy	≤0.1%F.S.
Temperature drift	0.002%F.S/ºC (-20ºC~+55ºC)
Response Time	≤400mS(0-90%)(TYP)
Insulation grade	2000V AC/1min(Between input, output, power)
Insulation resistance	≥100MΩ(Between input, output, power)
Working Temperature	-20~+55ºC
EMC	Conform GB/T  18268(IEC61326-1)