KH300AG is low cost, patented and new designed color paperless recorder (96x96x70mm, up to 6 channels), used the advanced technology, to be designed economic type and lower power consumed, high accuracy, universal use, to be aimed to monitor, record, analysis the processes in various industry application, such as temperature, humidity, pressure, flow, frequency, vibration, current voltage etc measured.

FEATURES
. Size: 96(W)x96(H)x70(D)mm, 3.5inch 320x240TFT, Color LCD screen
. Universal input signal: T. C., RTD, mADC, mVdc, frequency etc
. High accuracy: +-(0.2%FS+1) digit of reading
. 8MB memory built-in, for long terms data record
. Maximum 6 points input signal recording.
. Maximum 2 points relay alarm output(option)
. Maximum 2 point 4-20mA or 1 point 24VDC aux. Power supply for 2 wires system (option)
. Various data display types: Circular chart, bar graph, trend, and single channel, multi-channel.
. USB download data directly, plug and play...
. Standard MODBUS-RTU protocol via RS485, RS232.
. PC software can display, print and export data in excel.
. Directly connecting with mini printer to print data.

Input Specification
Accuracy: 0.2 grade, ± (0.2%FS+1)digit
Display: 3.2 inch, 320X240 TFT, color LCD display
Sample Rate: < 1 s
CMR Ratio: 85-110dB
Temperature Shift: 50PPM
Number of inputs: 1, 2, 3, 4, 5, 6 channels
Inputs signal: 
:T/C (K, S, B, E, J, N, T)
: RTD (PT100, CU50, CU100)
: A DC (4-20mA, 0-10 mA)
: V DC (0-5VDC, 1-5VDC)
: 0-20mV, 0-60mV, 0-100mV, 0-500mV)
Isolation:
1000VAC between channels and ground 400VAC between channels
 RTD: Three wire, 2.5mA, max. 10ohm per wire
 T. C.: Internal resistor not more than 1000Ω .
C. J. C tolerance: Maximum +-2C
Independence:
500kΩ For 0-5VDC and 1-5VDC input
250 kΩ For 4-20mA, 500kΩ For 0-10mA
20MΩ For other signal input

Power Specification
Power supply: 100-240VAC, 47-63Hz; 24VDC
Power Consumption: Maximum 5A
Insulation: 1500VAC between power to GND
1500VAC between power to housing
Output Specification
Relay alarm: Up to 2 points, 250VAC, 3A, NO or NC
Retransmission: 4-20mA, up to 2 point
Aux. Power supply: 24VDC, 50mA for transmitters
Communication: RS485, RS232 MODBUS-RTU protocol
Print: RS232 print port
USB: USB flash drive
Alarm function: Up to four points per channels
Alarm type: High and low limits, higher, lower
Others Specification
CPU: 32bits, high performance and integrated ARM
Memory type: Flash memory
Memory media: USB memory (2GB)
Keyboard: 5 keys (P/E, Left, Right, UP, Down)
Record Interval: 1 to 3600 seconds, settable flexibly
Record time: 72 hours per 1s record interval)
: 180 days per 1 min. Record interval)
Display update rate: 1-3600s
Unit: 77, Selectable an addable
Scaling: -20000 to 20000

Mounting method: Panel-mounted (vertical panel)
Materials: ABS for case and bezel
Terminal: M5 screw terminal
Protection class: IP40, indoor use
Size: 96(W)X96(H)X70(D)mm
Mount Size: 92mmx 92mm
Weight: 0.9kg (maximum)
Ambient Temperature: 0-50C
Ambient Humidity: 0-85%RH
Screen display: Bar graph, horizontal, Digit, single, multi-point, Tread, horizontal, real time/history
PC software: Compatible with Windows 2000/XP/Vista: Curve, digital display

Kehao is a proffesional manfuacturer, we can supply you high quality and service.
As proffesional manufacturere, we can supply high quality and performance paperless recorder, temperature recorder, data logger, paperless chart recorder.