Hunan Stron Smart Co., Ltd
Stron Metering, Smart Life
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Keypad STS Prepaid Split Three Phase Electricity Meter Tamper Alarm with Mobile Keypad
STE38-s has professional and high-precision three-phase measurement function, which is composed of three-phase prepayment watt hour meter and sub key CIU (customer interface unit). It provides keys for remote recharge and information query, which is its core competitiveness, advanced and easy to use. Lora radio frequency is used for communication between the instrument and CIU, which is effective and low cost. The communication distance is about 1km.
The CIU shares the same function as the keyboard on the meter itself, users can input 20 digits TOKEN for recharging or information checking. Various information can be toggled by input different combination of figures. Users can easily retrieve metering data such as daily usage, monthly usage, present current and voltage, balance, and last five entered tokens.
Electric Magnetic Compatibility
| AC Insulation Strength | 4kV at 50Hz during 1min | |
| Impulse voltage 1.2/50 us mains connections | 8kV | |
| Electrostatic Discharges
| Contact discharge | 8kV |
| Air discharge | 16kV | |
| Electromagnetic RF Field | 27MHz-500MHz | 10V/m |
| 100KHz-1GHz | 30V/m | |
| Fast transient burst test | 4kV | |
| Protection | Class II | |