JCPR7600 LCD Level Display Meter

JCPR7600 LCD Flow (Heat) Totalizer / Recorder is mainly designed for trading discipline between supplier and customer in regional central heating, and calculating steam, and high precision flow measurement. It’s a full-functional secondary instrument based on 32-bit ARM micro-processor, high-speed AD and large-capacity storage. The instrument has fully adopted surface-mount technology.

JCPR7600   LCD Level Display Meter

JC-7600 LCD flow totalizer is mainly designed for trading discipline between supplier and customer in regional central heating, and calculating steam, and high precision flow measurement. It’s a full-functional secondary instrument based on 32-bit ARM micro-processor, high-speed AD and large-capacity storage. The instrument has fully adopted surface-mount technology. It has good EMC ability and high reliability because of heavy protection and isolation in design. It is embedded RTOS, USB Host, and high-density FLASH memory, which can record 720-day length sampling data. It can automatically identify saturated steam and superheated steam. It can also be used for process monitoring and volume control of steam heat. History data recorded in instrument can be copied to USB disk at any time and analyzed by DTM software on PC. The instrument may be used together with vary flow sensors such as Orifice Plate, V-cone, vortex, and so on. Besides, it also features good performance in anti-theft and power failure protection.


Technical Parameter for JCPR7600   LCD  Level Display Meter

Measurement input
Input signal Current: 0-20mA, 0-10mA, 4-20mA, √0-10mA, √4-20mA

Input impedance: ≤100Ω

Maximum limit of input current: ≤ 30mA

Voltage: 0-5V, 1-5V, 0-10V (customized), √0-5V, √1-5V, 0-20mV, 0-100mV

Input impedance: ≥ 500KΩ

Thermal resistance: Pt100, Cu50, Cu53, Cu100, BA1, BA2
Linear resistance: 0-400Ω
Thermocouple: B, S, K, E, T, J, R, N, F2, Wre3-25, Wre5-26
Frequency signal: range: 0-10KHz; wave shape: rectangular, sine wave, square wave
Output signal Analog output: 4-20mA (load resistance ≤ 480Ω), 0-20mA (load resistance ≤ 480Ω)

0-10mA (load resistance ≤ 960Ω), 1-5V (load resistance ≥ 250KΩ)

0-5V (load resistance ≥ 250KΩ), 0-10V (load resistance ≥ 4KΩ) (customized)

Alarm output: relay control output: AC220V/2A, DC24V/2A (resistive load)
Feed output: DC24V±1, load current ≤ 50mA
Communication output: RS485/RS232, 1200-9600bps, Protocol: MODBUS RTU. Communication distance: 1Km for RS-485 and 15m for RS-232.
Comprehensive parameters
Measurement precision 0.2%FS±1d
Setting mode Light touch control panel for setting parameter, which will be stored permanently even in case of power failure, and can be locked & protected with password.
Display mode 3.5” matrix 128*64 LCD screen with backlight (black characters on white screen).

Display pages include Digits, Curves, Bar graphs, and so on. Pages switch conveniently on the panel. History data can be searched, and time scale of curves is changed by operating proper keys on the panel.

Record interval 9 options for your choice: 1s, 2s, 4s, 6s, 15s, 30s, 60s, 120s, and 240s
Storage time 3 days (record interval of 1s) – 720 days (record interval of 240s)
Print Printer interface: RS-232C; Serial-interface printer: SP-A40SH
Operating environment Ambient temperature: 0-50℃; relative humidity: ≤ 85RH; isolated from strongly corrosive gas
Power supply AC 100-240V (switch power), 50/60HZ; DC 20-29V (switch power)
Power consumption ≤ 5W
Structure – Standard panel mounted instrument structure

Model Selection for  JCPR7600   LCD Level Display Meter

①Compensation input mode ③Alarm output (Note 1)
Code Compensation input mode Code Alarm channel (Relay contact output)


Single-channel uncompensated input

Temperature/pressure compensated input








No output

1 alarm relay

2 alarm relay

3 alarm relay

4 alarm relay

5 alarm relay

6 alarm relay

Code Width*height*depth



160*80*110mm (horizontal)

80*160*110mm (vertical)

96*96*110mm (square)

④Power supply
Code Voltage range


AC/DC 100~240V (50/60Hz)


⑤Auxiliary functions (all functions below may be selected separated with “/”; those not required may be omitted)
Transmission output (Note 1) Communication output
Code Output channel Code Communication interface




1 transmission output

2 transmission outputs

3 transmission outputs

4 transmission outputs




RS-485 interface (Modbus RTU)

RS232 interface (Modbus RTU)

RS232C printer interface

Feed output
Code Feed output (output voltage)


1 feed output

2 feed outputs

For example, “2P (12/24) means 2 feed outputs with 12V and 24V feed output respectively.

Applicable to instruments with recording function
USB data transfer Expansion function
Code Data transfer Code Expansion function
U USB disk (1GB USB flash disk) SD SD card expansion (8GB)

Note: 1. Transmission output and alarm output may be combined, provided that transmission output + alarm output ≤ 6. If the flow signal type is Frequency, the maximum transmission output is 2, and transmission output + alarm output ≤ 4


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Dimension Hole Size Minimum Distance Between Instruments
Type Width Height Depth X Y W H
A 160 80 110 152+0.5 76+0.5 38 34
B 80 160 110 76+0.5 152+0.5 34 38
C 96 96 110 92+0.5 92+0.5 38 38


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