Wenzhou Fullwill Electric Co., Ltd.
Main products:Frequency Inverter,Breaker,Copper Parts,Stabilizer
Products
Contact Us
  • Contact Person : Ms. Chen Scarlett
  • Company Name : Wenzhou Fullwill Electric Co., Ltd.
  • Tel : 86-577-61728833
  • Fax : 86-577-61728822
  • Address : Zhejiang,Wenzhou,Gonggu Road 80-1#, Xinguang Industrial Zone, Liushi Town
  • Country/Region : China
  • Zip : 325604

DD862 single phase watt meter

DD862 single phase watt meter
Product Detailed
DD862 single phase watt meter is designed to meet the IEC60521-1988 and BS EN 60521 standards.

DD862 single phase watt meter(wattmeter,kwh meter) 

Meter case Two types of cases are available One is the insulating case of protective-class and the other is the weather-proof case complying to IEC60529 and Ip54

Terminal block The terminal block is molded of bakelite. The voltage test link can be located inside or out-side of the meter case. The maximum diameter of the terminal hole is 8.5mm.

Driving elementThe driving element consists of a voltage element and a current element, both of which are fixed to the frame. The voltage element has a low load adjustment mechanism, and the currentelement has an inductive load adjustment mechanism.

Rotor The rotor shaft is made of aluminum alloy with a small hole in the upper end for storing lubrication and for fitting a brass bearing The worm is turned of brass, and is acid-cleaned or nickel-plated. The worm and shaft can be detached .

Braking elementThe magnet is made of AINiCo5 alloy and designed as U-shaped so that the effect of short-time over current upon the magnet is negligible. The full load error can be fine controlled by adjustment mechanism.

Frame The frame is die-casted by high-quality SiAl alloy of stable property to avoid distortion. The application of static spray-painting on the surface prevents the frame from oxidation.Upper bearing

The pin is made of high-quality abrasion-proof stainless steel and is embedded on the brass pin base.Lower bearing Both double jewel bearing and magnetic bearing are available.

Register The DD862 meter with direct-reading cyclometer type register is available.The register is self-located and is mounted on the frame by one screw. Fixing with two screws is also available but needs to be manually adjusted. There are two types of gears available: brass gears and self-lubricating plastic gears.

Single Phase Watt-Hour Meter

Typical Connection Diagram of Single Phase Watt-Hour Meter

Outline & Installation Size

Technical Parameters of Single Phase Watt-Hour Meter

1

Meter type

DD862

2

Applicable Standards

IEC60521. IEC514

3

Accuracy

Class 2 (according to IEC60521)

4

Average service life (MTTF)

10years

5

Basic current (lb) A

1.5 2.5 3 5 10 15 20 30

6

Maximum current (lmax) A

6 10 12 20 40 50 60 80 100

7

Rating current of transformer in

5A Direct connection

8

Reference voltage Un

110V,120V,220V,230V,240V

9

Reference frequency fn

50Hz,60Hz

10

Power losses in voltage circuit at Un

50Hz: 1.2W/6VA, 60Hz: 1.0W/5VA

11

Power losses in current circuit at 50Hz Un Ib

<0.6VA

12

Non-running with no-load

0.8~1.1Un

13

Starting current

0.5%lb

14

Mean temperature coefficient: Form0.1lb to lmax at unity PF Form 0.2lb to lmax at unity 0.5lagging

<0.08%/ <0.12%/

15

Insulation level: Withstanding A.C. voltage for 50Az, 1min Withstanding impulse voltage 1.2/50us

>2kV(when bakelite base>4kV) >6KV(when bakelite base>8kV)

16

Rated load speed at unity PF, lb

13.2r/min

17

Rated load torque at unity PF, lb

450uNm

18

Weight of rotor

24g

19

Weight of meter

1.5~1.6kg

20

Meter base

Steel, Aluminum alloy, Bakelite

21

Meter cover

ABS, Aluminum, Glass, Bakelite, transparent PC

22

Terminal cover

ABS, Bakelite, PC

23

Register

Cyclometer single, Unidirectional, Jumping , Metal

24

Option

Reverse running stopper, pulse sampling device

DD862 single phase watt meter



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