DEM331AO - DEM331AO

SINGLE PHASE ELECTRONIC FRONT BOARD INSTALLED ACTIVE ENERGY METER - more info check here: http://www.buymeasuringtools.com/DEM331AO-10330805/

Quick Brief

Place of Origin: Zhejiang China (Mainland) Brand Name: OPEN Model Number: DEM331AO Display Type: Analog Only Phase: Three Phase Measuring Energy Range: 5(30)10(60)20(100) Accuracy Class: Class 1.0 Output Voltage: 110-240V Operating Temperature: -20 ~ 70 Dimensions: 130*70*200 energy meter:: electricity meter

Product Features:

SINGLE PHASE ELECTRONIC FRONT BOARD INSTALLED ACTIVE ENERGY METER

Business Terms:

Port: shanghai

Minimum Order Quantity: 1 Piece/Pieces

Supply Ability: 100 Piece/Pieces per Week

Payment Terms: T/T

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Specifications and Product Details:

Functions and features

1. Front board three fixed installation, the cover is made of PC material which is transparent and anti-UV molded overall, the bottom of the meter and the terminal are made of quality bakelite material which is moisture-resistant, fire-retardant, high temperature molded overall. It has following features: good weather ability, high rigid, good insulation performance, etc.
2. Have three tariffs, may select 12 daily period of times. You can set the date arbitrary which can automatic read the meter every month. May select single tariff function in weekend. (Please specified when ordering)
3. There are a clock and Maintenance-free backup lithium batteries in it. Battery capacity detection and display all the time. It can keep the electricity data for 12 months. The data can be kept forever after power cut off.
4. May select cycle display (default) or push the button itemized display, it can display 14 data at most. Can select the data which displayed. The decimal median which displayed can choose set one or two.
5. A port of pulse output passive (polarity), complying with standard IEC 62053-31.
6. There are far infrared and a port of RS485 communication data. It is use for setting and reading the meter. Set and operation have password protection, communication agreement complying with standard DL/T645-1997.
7. Seven LED instructions respectively power supply state, signal of energy impulse, the direction of the flow of load current, the state rates just now and the data communications state.
8. Single direction measurement single phase two wire active energy consumption. It is nothing with direction of the flow of load current. Complying with standard IEC 62053-21.
9. Direct connect operation, there are two types wiring you may select. Standard configuration type 1A wiring, may select type 1B wiring (Product Configuration code is AM).
10. Standard configuration extension terminals cover, in order to protect to use safety, may select short terminals cover. (Product Configuration code is AN).

Technical parameters

Model	Accuracy	Reference voltage (V)	Current specifications (A)	Starting current (A)	Insulation performance
DEM331AO	Class 1	127 230	5(30) 10(60) 20(100)	0.02 0.04 0.08	AC voltage 4kV for 1 minute, 1.2/50us waveform impulse voltage 6kV