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Khoat PAPERLESS RECORDER KH-300G

  • DESCRIPTION

  • KEY SPECIFICATION

  • PRODUCT MANUAL

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Khoat Make Color Paperless Recorder

 

  • No. of Channels - 1, 8, 16
  • Adopts 5.6 inch TFT color LCD, wide visual angle, high lightness and contrast.
  • English Menu designed. Easy and clear screen, rich information, kind human-meter operation screen, friendly - user, easy operation
  • Adopt SMT technology, more concise designed.
  • Universal input for multi channels, adopt photoelectric isolation among channels in order to avoid the interference among channels.
  • T.C and RTD input adopts nonlinear amendment with high accuracy and stable performance.
  • Huge capacity storage: 8MB for long time record. 

 

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 500Ω resistor; 4-20mA and should be external connection 250Ω precise resistor. Standard range: -20000 to 20000.

: Thermocouple Input: K ( -50 ~ 1300℃ )、S ( -50 ~ 1700℃ )、T ( -200 ~ 350℃ ) 、E ( 0 800℃ )、

J ( 0 ~ 1000℃ )、B ( 300 ~ 1800℃ )、N ( 0 ~ 1300℃ ), R(-50-1700℃) , WRE526 (-0 ~ 2300℃), WRE235 (0 ~ 2300℃)

: RTD Input : Cu50 ( -50 ~ 150℃ ) , Pt100 ( -200 ~ 600℃ ), Cu100 ( -50 ~ 150℃ )

: 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℃ 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

: 500Kω when standard voltage input; 250Ω ( 4-20mA). Or 500Ω (0-10mA) when standard current input

More than 20MΩ when other signal input

Isolation

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

Thermocouple

: Internal resistor: not more than 1000Ω. Cold junction compensation tolerance: maximum +-2℃

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 housing 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

: Adopt hardware real clock with high stability. Clock accuracy: +-5ppm. After power off, Li battery for continual power supply. The validity of battery is 30days.

Data Memory

: All data will be stored in FLASH memory, not need reserve battery in order to ensure that all the history data and configuration parameters will be not lost when power off.