Overview
The Inventory Master’s Smart three-phase energy meter with LoRaWAN connectivity is a new generation three phase multi-function energy meter with wireless communication Lora module built inside. with public LoraWAN protocol, the user can easily build a wireless meter reading system. The Unit measures and displays the characteristics of single phase two wire(1P2W), three phase three wire (3P3W), three phase four wire (3P4W) networks. The measuring parameters include voltage (V), current (A), frequency (Hz), power (kW or kVAr or kVA), import or export or total energy (kWh or kVArh). The unit can also measure max. demand current and power at preset period of up to 60 minutes.
Features
- Wireless solution
- LoRa communication
- Three phase energy meters
Technical Specifications
| Input Voltage | 3 × 230 or 400 V AC |
| Current Input | 0.25 A to 5 (6) A |
| Frequency | 50 Hz or 60 Hz |
| Network | 1p2w, 3p3w, 3p4w, 1p3w |
| Electromagnetic Compatibility | IEC61326 to 1:2013 |
| Voltage Accuracy | 0.5 % of range maximum |
| Current Accuracy | 0.5 % of nominal |
| Frequency | 0.2 % of mid-frequency |
| Power Factor | 1 % of uity (0.01) |
| Active Power (W) | ±1% of range maximum |
| Reactive Power (VAr) | ±1% of range maximum |
| Apparent Power (VA) | ±1% of range maximum |
| Active Energy Accuracy | Class 1 IEC 62053-21 |
| Reactive Energy Accuracy | Class 2 IEC 62053-23 |
| Display | LCD with backlight |
| Communication | LoRaWAN (EU 868, AU 915, AS 923) |
| Join Mode | OTAA or ABP |
| Max Transmission Distance | 3 mi (5 km) |
| Pollution Degree | 2 |
| Altitude | 6561.68 ft (2000 m) |
| IP Degree Of Protection (IEC 60529) | IP 51 front display |
| Panel Thickness | 0.04 in to 0.2 in (1 mm to 5 mm) |
| Material Of Meter Case | Self extinguising UL 94 V-0 |
| Humidity | ≤ 95 % RH at 122 °F (50 °C) (non-condensing) |
| Operating Temperature | -13 °F to 131 °F (-25 °C to 55 °C) |
| Storage Temperature | -40 °F to 158 °F (-40 °C to 70 °C) |
| Weight | 17.6 oz (400 g) |
| Dimensions | 3.9 in x 1.42 in x 2.48 in (99 mm x 36 mm x 63 mm) |
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