DTSY1877 is a three-phase direct prepaid Internet of Things energy meter. The installation environment of the WIFI energy meter requires a WIFI signal. By downloading the APP on your mobile phone and logging in with your management account, you can remotely recharge and monitor the power on and off of the electricity. There is no need to operate the electricity meter manually. (Note: the use of electric meter itself is not in need of WIFI, power, power meters have edge network automatically. However, recharging or checking the electricity level requires the electricity meter to be online
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Voltage |
230V |
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Electric current |
0.25-0.5(60)A/15(60)A |
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Accuracy grade |
1 class |
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Reference standard |
IEC62052-11/IEC62053-21GB/T17215.321-2008 |
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Frequency |
50Hz |
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Pulse constant |
1000imp/kWh |
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Display |
LCD 5+1; LCD6+2 |
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Power Consumption |
<W/<10VA (At the reference voltage) |
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Load control |
Built-in 60A magnetic holding relay |
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Low balance indication |
Yellow LED |
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Pulse indication |
RedLED |
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Initial current |
0.4%Ib |
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Operating temperature range |
-20℃~70℃ |
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Humidity |
<95% |
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Communication |
WiFi/4G+Bluetooth/Bluetooth |
1. Overload process when the load exceeds power threshold for 30 seconds or more, the relay disconnect, relay automatically closed after 60 seconds.
If within 30 minutes of continuous overload event occurred five times for 30 seconds, after the fifth disconnect relay, meter will wait for 30 minutes, 30 minutes after repeat process executing the overload. Overload threshold can be set up through the system.
2. Balance Alarm This meter is equipped with a level 1 balance alarm. When the balance is lower than 50kWh, the yellow LED will flash as a prompt (on for 0.5 seconds and off for 0.5 seconds).
3. Emergency power supply function If the electricity meter runs out of power, the relay will disconnect. The landlord can send a closing command through the system or hold down the up or down button for more than 5 seconds to temporarily overdraw 50 KWH of electricity. This amount of electricity will be automatically deducted during the next recharge. If this battery power is exhausted again, the relay will not be able to close and can only be used by recharging.
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