GT71R Data Logger

Name: GT71R Data Logger
Brand: Anhui Jujie Automation Technology Co., LTD.
Availability: InStock

GT71R ultra-thin widescreen paperless recorder equips 7-inch color LCD, max 16 universal isolated channels, optional touch, print and PID control, dual RS232/485 communication, supports USB offline data backup for industrial monitoring.

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Features of GT71R Data Logger

Ultra-thin cabinet design with 7-inch true-color LCD, optional touch operation, standard physical function keys for easy operation
Max 16 fully isolated universal analog inputs, compatible with TC, Pt100, 4-20mA, voltage and frequency pulse signals
Rich optional functions: micro timing printing, PID closed-loop control, Ethernet communication, external DC power supply
Multiple output configurations: up to 6 relay alarm contacts, 4-channel 4-20mA retransmission, dual 24VDC sensor power supply
Dual serial communication (RS232+RS485), supports Modbus RTU, compatible with PC and micro printer simultaneously
Large-capacity flash storage, complete power-off protection for parameters and historical records, hardware clock with low drift
Supports USB disk offline data export and firmware upgrade, compatible with 1G~32G industrial U-disk
Built-in professional flow calculation, temperature & pressure compensation for steam, natural gas and liquid flow accumulation
Multiple display modes: digital table, bar graph, real-time & historical curve, independent PID control screen
Standard 138×138mm panel cutout, wide AC/DC dual power supply, stable for harsh industrial environments
Multi-level password authority management, separate operator & administrator permissions to prevent parameter tampering
Complete log storage: alarm records, power-off logs and operation records can be queried and printed

Specification of GT71R Data Logger

Display	7-inch true-color TFT LCD (800*480 dots) Real-time display: ±0.2% F.S.; Recall accuracy: ±0.2% F.S.
Processor	High-performance ARM Cortex-M3 32-bit RISC core, realizes multi-channel signal acquisition, recording, display and multi-channel alarm
Storage Module	Large-capacity parallel NAND FLASH memory chip stores historical data, serial FRAM memory chip is used to store key information such as system configuration parameters
Input Function	Input specification: Fully isolated universal input, max. 16-channel analog input
	Voltage input: 0-5V, 1-5V, 0-20mV, 0-100mV
	Current input: 0-10mA, 4-20mA, 0-20mA
	Resistance input: Res (0~400Ω)
	Thermal resistance: PT100, Cu50, G53, Cu100, BA1, BA2 (3-wire resistance balance required, lead resistance<10Ω)
	Thermocouple: S, B, K, T, R, E, N, J
	Radiation pyrometer: F1, F2
	Tungsten-rhenium: WRe3-25, WRe5-26; Other signal inputs are available on request (e.g. D1/P1)
Output Function	Distribution output: Supports 3 groups of transmitter isolated distribution +24VDC, each group distribution ≤60mA, supports 12VDC, 5VDC distribution
	Transmission output: Supports 4-channel standard current 4-20mA transmission output
	Convenient for acquisition by display instruments or DCS/PLC, realizes long-distance signal transmission
	Relay alarm output: Max. 6-channel relay alarm, contact capacity 1A@250VAC/1A@30VDC
	Configurable for upper-upper limit, upper limit, lower limit, lower-lower limit alarms
Communication & Printing	Communication interface: RS232C and RS485 optional, supports Modbus RTU protocol
Communication & Printing	Print interface: RS232C directly connects to micro printer, baud rate 1200
Recording Function	Recording capacity: 64/128/192/248MB (FLASH capacity optional)
	Recording interval: 1 second to 240 seconds, 11 options total: 1/2/4/8/12/24/36/60/120/180/240 seconds optional
	Recording time: The length of recording time is related to FLASH memory capacity, number of input points and recording interval, formula as follows: (Units of substituted values must be consistent with those in the formula) Recording days = (FLASH capacity(MB) × 1024 × 1024 × recording interval (seconds)) / (number of channels × 16 × 24 × 3600)
Data Transfer	Data backup and transfer: Supports USB1.1, 2.0 USB flash drives, supports 1G to 32G USB drives for data transfer
Power Supply	100~240VAC (rated voltage 220VAC), 50/60HZ AC power supply, supports 24VDC power supply
Protection Function	Power-off protection: Built-in memory protects parameters and historical data, permanently saved after power-off
Protection Function	Clock protection: Integrated hardware clock, operates accurately even after power-off
Working Environment	Temperature: 0~50℃ (avoid direct sunlight) Relative humidity: 0~85%R.H (non-condensing) Altitude:<2000m
Transportation and Storage Environment	Temperature: -20~60℃ (avoid direct sunlight); Humidity: 5~95%R.H (non-condensing)
Instrument Net Weight	≤1.5kg

Diagram of GT71R Data Logger

GT71R Data Logger for Process of Instrumentation

GT71R Data Logger for Process Instruments Controls

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