The Smart Meter SUB1W is a high-accuracy energy meter suitable for residential energy billing or single-phase monitoring applications.

The meter accepts a wide range of input voltages and can be used internationally. The SUB1W provides a comprehensive range of power quality information, which can be used to diagnose or monitor precise electrical behaviour.

Wireless communications, wall-mount fittings and internal current clamps make for simple installation.

Features:

• High accuracy design, AC2.0
• Manufactured to comply with international standards IEC 60687/61036/61268 and IEC 62053-21/62053-22/62053-23
• Measures active energy, reactive energy, apparent energy, active power, RMS voltage, RMS current, power factor, temperature and frequency
• Clear LCD to show measured values
• Wide voltage supply range of 110-240VAC
• Ib=10A, maximum 60A
• Wireless operation
• Encrypted communications for secure operation
• Mesh networking for excellent range
• Unique serial number embedded in each device for identification on network

Application Areas:

• Metering of incoming feed to residential buildings
• Microgeneration (e.g. Solar PV / Wind)
• Metering of individual machines and single-phase circuits
• Billing and bill apportionment of residential tenants
• Analysis of power factor quality

Electrical

• Power supply: 110-240 VAC, 50-60 Hz
• Power consumption (typical / max): 0.1 / 0.1 W

Metrology

• Accuracy class: class AC2.0 / IEC 60044-1 Accuracy class 2, suitable for billing applications
• Energy: active energy, reactive energy and apparent energy (kWh, VAh, VARh)
• Power: instantaneous active power (kW)
• General metrology: power factor, RMS voltage, RMS current frequency, temperature (+-3DegC)
• Maximum current: 60A
• Maximum size of generator: 14,400Wp
• Ib: 10A
• Maximum diameter of input wires: 6.5mm
• Nominal reporting interval (kWh): 10 seconds
• Nominal reporting interval (other measurements): 180 seconds

Physical

• Size (l x w x h): 165 x 117 x 65 mm
• Fitting: wall mount
• Weight: 750g
• Storage (min to max): -20 to 50°C, 0 to 60% relative humidity
• Operation (min to max): 0 to 75°C, 0 to 60% relative humidity

Wireless Communications

• Frequency: 2.4 GHz
• Standard: IEE 802.15.4 / Zigbee Pro
• Does not interfere with WiFi networks
• Maximum range between mesh nodes: 32m
• Maximum nodes per network: >1,000,000
• Encryption: 128 bit AES

Miscellaneous and Standards

• Standards: CE, EMF, LVD, WEE, ROHS
• Manufactured to comply with: IEC 60687/61036/61268 and IEC 62053-21/62053-22/62053-23
• Country of design and manufacture: UK
• Packaging: cardboard box