Overview
The Inventory Master explosion proof wireless NB-IoT pressure sensor for IoT uses a large-capacity lithium battery to provide a stable and reliable power supply for the product, enabling it to operate safely for more than 5 years(uploaded once an hour). The self-developed low-power system can not only provide users with on-site data through the LCD screen, but also upload data through the wireless module, and even graft the data to the user’s own cloud platform. The powerful control algorithm enables the instrument to have signal breaks, Transmission, working mode automatic switching, pressure fluctuation real-time alarm, one-click wake-up and other practical functions.
Technical Specifications
| Customized Support | OEM, ODM |
| Pressure Range | 0 MPa to 100 MPa optional |
| Configuration Method | Local USB or remote configuration |
| Working Power | 3.6 V, 19 Ah (can be replaced by yourself) |
| Battery Life | 5 year or 6 years (send data every hour) |
| Power Consumption | Normal work 70 mA sleep is less than 0.1 mA, data sending and receiving 330 mA |
| Display | 2.4 in large size LCD screen |
| Network Format | NB-IOT or GPRS or 4G or LoRa |
| Antenna | External waterproof antenna |
| SIM Card | Buil in SIM card |
| Sampling Interval | 1 time / min |
| Wake-up Mode | Buttons, timing, USB |
| Upload Information | Pressure, temperature, signal, battery power |
| Accuracy | 0.5 |
| Temperature Influence | 0.027% F.S / °F (0.015% F.S / °C) |
| Waterproof Level | Normal IP66 or explosion-proof type IP68 |
| Installation | Vertical and horizontal installation |
| Certificate | CE, RoHS, Ex d IIB T6 Gb |
| Working Temperature | -22 °F to 158 °F (-30 °C to 70 °C) (medium does not crystallize) |
| Weight | Normal 1.21 lb (0.55 kg) or Explosion proof type 3.3 lb (1.5 kg) |
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