Introduction
The Integra Ri3 digital metering system (DMS) is a new generation instrument designed to complement the existing Crompton Instruments Integra series. It offers an accurate and cost-effective solution for measuring and displaying major electrical and power quality parameters. The system is user-friendly, with easy programming and navigation, making it ideal for reliable energy measurement.

Features

• DIN-rail enclosure compliant with DIN 43880
• Backlit LCD screen
• Programmable CT ratio
• True RMS measurement
• User programmable system configuration
• Pulsed output and Modbus as standard

Benefits

• Cost-effective
• Simple navigation
• Renowned Crompton quality
• Manufactured in the UK

Approvals

• IEC 61326
• IEC 61010-1
• IEC 62053-21

Specifications
Input

• Nominal input voltage: 100-289V AC L-N (173-500V AC L-L)
• Max. continuous input overload voltage: 120% of nominal
• Max. short duration input voltage: 2x range maximum
• Nominal input current: 5A AC rms
• Max. continuous input overload current: 120% of nominal
• Max. short duration input current: 10x nominal
• Frequency: 45-66Hz
• System CT primary values: 1 to 9999

Auxiliary

• Operating range: 110-400V AC nominal +/-10% or 120-350V DC +/-20%
• Burden: < 10VA/5W

Accuracy

• Voltage: 0.5%
• Current: 0.5%
• Neutral current calculated: 4%
• Frequency: 0.1 Hz
• Power factor: 1% of unity
• Active power: +/- 1% of range
• Reactive power: +/- 1% of range
• Apparent power: +/- 1% of range
• Active energy: Class 1 (IEC 62053-21)
• Reactive energy: +/- 1% of range
• THD: 1% up to 31st harmonic
• Response time: 1 sec

Output

• Pulse output relay: 1
• Contact rating: 50mA max at 250V AC
• RS485 Modbus output module: 1 Modbus channel
• Baud rate: 2400, 4800, 9600, 19200, 38400

Enclosure

• Style: DIN-rail
• Dimensions: 72x90mm
• Front protection rating: IP52
• Case protection rating: IP30
• Material: Polycarbonate to UL94V0
• Weight: 300g
• Terminals: Shrouded screw-clamp 0.05-4mm wire

Environment

• Operating temperature: -10°C to +55°C
• Storage temperature: -20°C to +70°C
• Relative humidity: 0-90% non-condensing
• Shock: 30g in 3 planes
• Vibration: 10Hz to 50Hz
• Dielectric voltage: Withstand test 3.25kV rms 50Hz for 1 minute

Contact Information
Tyco Electronics UK Ltd, TE Energy, Freebournes Road, Witham, Essex CM8 3AH
Phone: +44 (0)870 870 7500
Email: [email protected]
Website: www.crompton-instruments.com