Description
Overview
GAOTek benchtop temperature and pressure data logger (capable of inputting by means of configuration: standard voltage, standard current, thermocouple, thermal resistance, millivolt, etc.). It can be equipped with 18 channel alarm output or 12-channel analog transmitting output, RS 232 or RS 485 communication interface, Ethernet interface, mini printer interface, USB interface and SD card socket. It can also provide sensor distribution. It is equipped with powerful display function, real time curve display, historical curve retrospection, bar graph display, alarm list display, etc.
Features
- 18 Channels
- 220 V power supply
- Real Time Display
- Universal Input
Technical Specifications
| Current | 0 mA to 20 mA, 0 mA to 10mA, 4 mA to 20mA, 0 mA to 10mA square root, 4 mA to 20mA square root |
| Voltage | 0 V to 5 V, 1 V to 5 V, 0 V to 10 V, ±5 V, 0 V to 5 V square root, 1 V to 5 V square root, 0 V to 20 mV, 0 V to 100 mV, ±20 mV, ±100 mV |
| Thermal resistance | Pt 100, Cu 50, Cu 53, Cu 100, BA 1, BA 2 |
| Linear resistance | 0 Ω to 400 Ω |
| Thermocouple | B, S, K, E, T, J, R, N, F 2, Wre 3 25, Wre 5 26 |
| Analog output | 4 mA to 20 mA (load resistance ≤380 Ω), 0 mA to 20mA (load resistance ≤380 Ω), 0 mA to 10mA (load resistance ≤760 Ω), 1 V to 5 V (load resistance ≥250 KΩ), 0 V to 5 V (load resistance ≥250 KΩ), 0 V to 10 V (load resistance ≥500 KΩ) |
| Alarm output | normally open relay contact output, where the contact capacity is 1 A or 250 V AC (resistive load) |
| Feed output | DC 24 V ± 1, load current ≤ 250 mA |
| Communication output | RS 485or RS 232 communication interface, 1,200 to 57,600 bps baud rate, standard MODBUS RTU |
| 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 in (177.8 mm) 800 x 480 dot matrix widescreen TFT high brightness color graphics and LCD display |
| Data backup | Data backup and conversion storage of USB flash disk and SD card are support, where the maximum capacity is 8 GB, FAT and FAT 32 formats are supported |
| Storage capacity | The capacity of the internal Flash memory is 64 MB |
| Recording interval | Nine options including 1 s, 2 s, 4 s, 6 s, 15 s, 30 s, 60 s, 120 s and 140 s can be selected |
| Storage length (continuous record without power off) |
24 days (1 s interval) to 5825 days (240 s interval) |
| Working power supply | AC 85 V to 264 V (power supply of the switches), 50 Hz or 60 Hz, DC 12 V to 36 V (power supply of the switches) |
| power consumption | ≤20 W |
| Relative humidity | 10 % RH to 90% RH (without condensation of moisture) |
| Environment temperature | 14 °F to 122 °F (-10 °C to 50 °C) |