Page 307 - V16 Catalogue Final

MULTIFUNCTION METERS

Features: DIRIS A-20
- Accuracy class 0.5S to IEC62053-22.
- User-friendly operation. Description Part No. POWER
- Detects wiring errors. DIRIS A-20 multifunction meter,base unit 48250402 MONITORING
- Panel mount: 96 x 96, IP52 (front panel). Auxiliary supply: 110-400V AC, 120-350V DC
- Large easy to read backlit LCD display. Total harmonic distortion up to row 51.
- 4 direct access keys - simple to operate.
- Facility to add up to 3 plug-in modules.
- Standard IEC 61557-12.

PLUG-IN MODULES
Description Part No.
Output 48250080
1 digital output for kWh or kvarh pulses OR
alarm OR command through RS485
Communication 48250082
RS485 communication module with
MODBUS protocol
Input/Output 48250083
3input(information report from an external contact),
1output (pulse or alarm)

DIRIS A-20
STANDARD FUNCTIONS

Connection
CT .../5A

Metering
Active energy: +/- kWh.
Reactive energy: +/- kvarh.
Hours.

Instantaneous RMS Values
Current (3I, In).
Voltage & frequency instanceous: 3V, 3U, F
Active, reactive and apparent power, per phase and total (±3P, ±3Q, 3S, ±∑P, ±∑Q, ∑S).
Power factor, per phase and total (3PF, ∑PF).
Maximum Values
Current (3I, In).

Power Quality Measurements
Harmonic distortion rate on current and voltage integrated up to 51st harmonic (THD 3I, 3V, 3U).

Energy Measurement Precision
Class 0.5s - IEC 62053-22 (Active energy).
Class 2 - IEC 62053-23 (Reactive energy).
- For current transformers (CT’s) refer to pages 325-331.

- For CT shorting link terminals refer to page 322 & 549.

Phone: 1300 556 601 www.ipd.com.au V16-PM-R04 299