Overview
GAO Tek Temperature and Humidity Data Logger Controller is designed for accurate monitoring and recording of environmental conditions. This product offers a storage capacity of up to 35,000 readings and supports adjustable logging intervals ranging from 10 seconds to 99 minutes. It is powered by a 3.0 V CR2032 battery, enabling up to 90 days of operation per battery. This device connects via a USB 2.0 interface and automatically generates reports without the need for software installation. Its parameters are fully configurable, making it suitable for various industrial, laboratory, and storage applications.
Input Signal
Current: 0 to 20 mA, 0 to 10 mA, 4 to 20 mA, 0 to 10 mA square root, 4 to 20 mA square root
Voltage: 0 to 5 V, 1 to 5 V, 0 to 10 V, ±5 V, 0 to 5 V square root, 1 to 5 V square root, 0 to 20 mV, 0 to 100 mV, ±20 mV, ±100 mV
Thermal resistance: Pt100, Cu50, Cu53, Cu100, BA1, BA2
Linear resistance: 0 to 400 Ω
Thermocouple: B, S, K, E, T, J, R, N, F2, Wre3-25, Wre5-26
Output Signal
Analog output: 4 to 20 mA (load resistance ≤380Ω), 0 to 20 mA (load resistance ≤ 380 Ω), 0 to 10 mA (load resistance ≤ 760 Ω), 1 to 5 V (load resistance ≥ 250 KΩ), 0 to 5 V (load resistance ≥ 250 KΩ), 0 to 10 V (load resistance ≥ 500 KΩ)
Alarm output: normally open relay contact output, where the contact capacity is 1 A/250 VAC (resistive load)
(! Note: Please do not carry load directly in case the load exceeds the contact capacity of relay.)
Feed output: DC 24 V ± 1, load current ≤ 250 mA
Communication output: RS485/RS232 communication interface, 1,200 to 57,600 bps baud rate (able to be set); standard MODBUS RTU communication protocol is adopted; the communication distance of RS-485 can be as long as 1 kilo meter; the communication distance of RS-232 can be as long as 15 m; Ethernet communication interface is adopted, where the communication speed is 10M.
Features
- Measures and records both temperature and humidity for precise environmental monitoring.
- Large storage capacity of up to 35,000 readings for extended data collection.
- Adjustable logging interval from 10 seconds to 99 minutes to suit various applications.
- Operates up to 90 days on a single 3.0 V CR2032 battery.
- USB 2.0 connector enables quick data transfer and report generation.
- Automatic report output without requiring any software installation.
- Fully configurable parameters for customized monitoring settings.
- Compact and portable design for convenient use in multiple environments.
Technical Specifications
| Material | Stainless steel |
| Measurement Accuracy | 0.2 % FS ± 1 d |
| Sampling Period | 1 s |
| Setting Mode | The button is set in the form of panel soft touch; setting values of parameters are locked with passwords and will be saved permanently in case of outage. |
| Display Method | 7-inch 800 × 480 dot-matrix widescreen TFT high brightness color graphics and LCD display; LED backlight; with clear pictures and wide visual angle. Display contents can be composed of characters, figures, conditional curves, bar graphs, etc.; through panel button, page turning, forward and backward search of historical data, time scale change of curves, etc. can be realized. |
| Data Backup | Data backup and conversion storage of USB flash disk and SD card are supported, where the maximum capacity is 8 GB; FAT and FAT32 formats are supported. |
| Storage Capacity | The capacity of the internal Flash memory is 64 M Byte |
| Recording Interval | Nine options including 1, 2, 4, 6, 15, 30, 60, 120 and 140 s can be selected |
| Storage Length | 24 days (1 s interval) – 5825 days (240 s interval) |
| Working Power Supply | AC 85 to 264 V (power supply of the switches), 50/60 Hz; DC12 to 36 V (power supply of the switches) |
| Power Consumption | ≤20 W |
| Environment Condition | Environment temperature: 14 °F to 122 °F; Relative humidity: 10 to 90 % RH (without condensation of moisture); Avoidance of contact of high corrosive gas. (! Note: If the field environment is poor, special instruction should be given when ordering.) |
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