Paperless Chart Recorders

Analog Input Specification

Input Signal

: Linear Voltage : 0-5V, 1-5V, standard range: -20000 to 20000.
: Linear current : 0-10mA ,should be external connection with 500© resistor; 4-20mA and should be external connection 250© precise resistor. Standard range: -20000 to 20000.
: Thermocouple Input: K ( -50 ~ 1300^oC ),S ( -50 ~ 1700^oC ),T ( -200 ~ 350^oC ), E ( 0 800^oC ), J ( 0 ~ 1000^oC ), B ( 300 ~ 1800^oC ), N ( 0 ~ 1300^oC ), R(-50-1700^oC) , WRE526 (-0 ~ 2300^oC), WRE235 (0 ~ 2300^oC)
: RTD Input : Cu50 ( -50 ~ 150^oC ) , Pt100 ( -200 ~ 600^oC ), Cu100 ( -50 ~ 150^oC )
: Other linear input: 0-20mV,0-60mV, 0-100mV, 0-500mV, standard range : -20000 to 20000.

Accuracy

: 0.2 grade when RTD, linear voltage, linear current and T.C input
: 0.2%FS+2.0^oC when T.C input with cold junction compensation by internal part of recorder.

Sampling Rate

: 3 s

Temperature Shift Coefficient

: Standard value: 50PPM

CMR Ratio

: 85-110dB

Input Independence

: 500K when standard voltage input; 250 ( 4-20mA). Or 500 (0-10mA) when standard current input More than 20M when other signal input

Isolation

: Isolated voltage between channels and ground: 1000VAC.Isolated voltage between channels:400VAC

Thermocouple

: Internal resistor: not more than 1000©. Cold junction compensation tolerance: maximum +-2^oC

RTD

: Current 2.5mA, three wire, each wire with same resistance: max.10ohm per each wire.

Input Error Action

: When T.C., RTD,1-5VDC, 4-20mA input and there is open or short circle, there are three ways available: measured value as maximum, minimum or hold

Power Supply Specification

Power supply

: VAC: 100-240VAC, frequency: 47-63 HZ, max. power consumption: 5VA
: VDC: 24VDC,max power consumption: 5VA (please advise when order)

Insulation

: When power insulation to ground is higher than 1500VAC, leakage current: 10mA for one minute
When power insulation to covering is higher than 1500VAC, leakage current: 10mA for one minute

Output Specification

Aux. power supply

:24VDC, 50mA

Alarm Output

: Up to 16 alarm output, 250VAC, 3A relay contact output: NO or NC

Retransmission

: Up to 6 channels, 4-20mA retransmission output with GND

Others

Processor

: 32 bits, high performance, high integrated ARM CPU

Hardware guider

: CPU inner integration for long time, stable and safe operation

Hardware Clock

: Accept hardware real clock with high constancy. Clock accuracy: +-5ppm. After power off, Li battery for repeated power supply. The cogency of battery is 30days.

Data Memory

: All data will be stowed in FLASH memory, not essential reserve battery in order to safeguard that all the history data and conformation parameters will be not lost when power off.