Page 294 - IPD Product Catalog V17

Multi-function Meters

MULTI-FUNCTION METERS

DIRIS A-20
Features: Description Part No.
- Measures active energy with accuracy Class 0.5S DIRIS A-20 multi-function meter, standard unit
complying to IEC 62053-22 Auxiliary supply: 110 - 400V AC, 120 - 350V DC 48250402
- Detects wiring errors in CT connections Total harmonic distortion up to row 51
- Degree of protection IP52 for the front and IP30
for the case
- Large backlit LCD display for direct reading
- Four direct access keys for simple operation
- WEBVIEW remote access software PLUG-IN MODULES
- Facility to add up to 3 plug-in modules
- Complies with standard IEC 61557-12 Description Part No.
Output
On/Off output: 1 (Digital output for kWh or kvarh pulses or alarm or 48250080
command through RS485)
Communication 48250082
RS485 communication module with Modbus protocol
Input/Output
Inputs: 3 (Information report from an external contact) 48250083
Outputs: 1 (Pulse or alarm)

STANDARD FUNCTIONS
Connection
DIRIS A-20
CT secondary 5A
Metering
Active energy: +/- kWh
Reactive energy: +/- kvarh
Hours
Instantaneous RMS Values
Current (3I, In)
Voltage & frequency instantaneous: 3V, 3U, F
Active, reactive and apparent power, per phase and total (±3P, ±3Q, 3S, ±ΣP, ±ΣQ, ΣS)
Power factor, per phase and total (3PF, ΣPF)
Maximum Values
Current (3I, In)
Power Quality Measurements
Harmonic distortion rate on current and voltage integrated up to 51 harmonic (THD 3I, 3V, 3U)
st
Energy Measurement Precision
Class 0.5S - IEC 62053-22 (Active energy)
Class 2 - IEC 62053-23 (Reactive energy)
- For Current Transformers (CTs), refer to page 284 - 291.

- For CT Shorting Link Terminals, refer to page 319 & 795.

294 1300 556 601 | ipd.com.au | V17-R05