Wuhan Time Wave Network Technology Co., Ltd. |
Verified Suppliers
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TimeWave 220V LoRaWAN Single-phase IoT smart wireless high accuracy energy meter DDZY2397
1. Metering of positive and negative active electric energy. The electric energy shall be accumulated and stored separately for tip, peak, flat, valley and other periods and the total electric energy. It can store and display various electric quantities in the last 12 months.
Specifications | Voltage(V) | 220 |
Current(A) | 5(60)A/0.25 ~ 0.5(60)A | |
Pulse constant(imp/kWh) | 3200 | |
Active measurement accuracy | Class B/1 | |
Reactive measurement accuracy | Class 2 | |
Frequency | 50Hz | |
Power consumption | ≤1.5W | |
Voltage range | Specified range | 0.9Un ~ 1.1Un |
Expansion range | 0.8Un ~ 1.15Un | |
Limit range | 0.6Un ~ 1.2Un | |
Clock accuracy | Specified temperature range | ≤±1s/d |
Reference temperature(23℃ ) | ≤±0.5s/d | |
Starting current | Active power(Class 1) | ≤0.004Ib |
Reactive power(Class 2) | ≤0.005Ib | |
Working temperature | Specified working range | -25℃~+ 60℃ |
Operating limit range | -40℃ ~ + 70℃ | |
Storage and transportation | -40℃ ~ + 70℃ | |
Operating humidity | Annual average relative humidity | < 75%RH |
Natural distribution within 30 days of a year | 95%RH | |
Occurs occasionally in other days | 85%RH |
The electric energy meter adopts LCD display. It can indicate the cumulative total electricity consumption and electricity consumption at various rates of the current and last January to last December.
Ammeters must be transported and stored under the original packaging conditions. Products shall not be severely impacted during transportation and unpacking, and shall be transported and stored according to GB / T 25480-2010 Basic Environmental Conditions for Instrument Transportation and Storage and Test Methods as stipulated in 2010. The products should be stored in the warehouse and placed on the platform frame. The stacking height shall not exceed five layers. No corrosive gases shall be present in the stored environment.
If the user complies with the transportation, storage and
installation operation specifications, and the lead seal of the
manufacturer is still complete.If there is a quality problem, our
company is responsible for free repair or replacement within 18
months from the date of delivery the electricity meter.
During the whole life cycle of the products, our company implements
"three guarantees" for all electricity meter products, providing
necessary maintenance and services. Providing equipment wiring
diagram and necessary technical documents and drawings. According
to the requirements of users, provide necessary training for
maintenance personnel and operators. Providing training materials,
and update the software regularly and provide free upgrade.
After receiving the service request of the product user, our
company will respond within 12 hours.