Khoat Paperless recorders

Khoat Color Paperless Recorder KH-300-AB/AL

  • With No.Of Channels upto 6
  • Adopts 3.2 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, user-friendly, 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

Accuracy: ±(0.2%FS+1)digit
Power supply: 100-240VAC; 24VDC
Input Signal: T.C: K, S, E, J, T, B,N, R, WRe526, WRe325
RTD: PT100, CU50, CU100
Linear voltage: 0-5V, 1-5V
Linear current: 0-10mA, 4-20mA
Frequency input:0-5KHZ, one channel
Specials: 0-20mV,0-60mV, 0-100mV, 0-500mV
Output Module: Relay alarm output, 4-20mA Retransmission output, RS485 Communication port, 24VDC Aux. Power Supply output RS 32 Printing port, USB Port
Record time: Flexible setting interval time: 1s, 2s, 3s, 4s….3600s
Record Time: (45days x Record interval time) % No of channels
Environmental temperature: 0-50°C
Environmental humidity: 0-85%RH
size: 96×96×70mm

Khoat PAPERLESS RECORDER KH-300G

  • No. of Channels - upto 6
  • 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