The DD862 single-phase energy meter is an induction instrument used to measure single-phase AC active energy with a frequency of 45-55Hz. It has the characteristics of high accuracy, high overload, and long service life.

Detailed introduction:

Specifications and main parameters

Specification and model

DD862-4

accuracy class

Level 2.0

Reference voltage (V)

220 230 240

Reference current (A)

1.5 (6) A, 2.5 (10) A, 5 (20) A, 10 (40) A, 15 (60) A, 20 (80) A, 30 (100) A

Basic error

LOAD

Power factor

Basic error (%)

0.05Ib≤I≤0.1Ib

1.0

±2.5

0.1Ib≤I≤Imax

1.0

±2.0

0.1Ib≤I≤0.2Ib

0.5L 0.8C

±2.5

0.2Ib≤I≤Imax

0.5L 0.8C

±2.0

start

Under the conditions of reference voltage, reference frequency, and power factor of 1, the meter can start and continuously record when the load current is 0.4% Ib.

Electrical parameters

Normal operating voltage: 0.9-1.1 reference voltage

Maximum operating voltage: 0.6~1.25 reference voltage

Insulation voltage: ≥ 2000VAC