Application:
SINUSOID SS4 series are three-phase multi-function electric meters which measures and displays important electrical system parameters such as AC Voltage (L1, L2, L3), AC Current (L1, L2, L3), Voltage and Current Unbalance, Frequency, Active Power, Reactive Power, Apparent Power, Power Demand, Power Factor, Active Energy, Reactive Energy and Voltage and Current Harmonics from 2-31st harmonic on 3-phase, 3-wire networks as well as 3-phase, four-wire networks.
SINUSOID SS4 series multi-function electric meters can be used in various installations such as the ones in residential, commercial, industrial, mining, public facilities, intelligent building controls and other related installations. Some applications include Energy monitoring and auditing, Electrical load monitoring, and Sub-metering etc.
Features:
- Quick and easy installation
- True RMS measurement
- 3-line, 4-digit LCD display (up to 9999)
- On-site programmable Current Transformer (CT) and Potential Transformer (PT) ratios
- User-selectable external CT secondary (1A/5A)
- User-selectable PT secondary (0-600VAC)
- Four function keys for quick navigation to desired screens
- User-selectable 3-phase, 3-wire or 3-phase, 4-wire configurations
- Wide range AC/DC auxiliary power supply
- Compact depth design
- RS485, MODBUS-RTU protocol
- Relay output
- Energy pulse output
- Digital input
Product Description:
- Connection Type: 3-phase, 3-wire/3-phase, 4-wire
- Application: Current, Voltage, Power, Energy, and Harmonics measurement
- Display screen: 3.8 inch LCD segment code display
- Weight: 259g
- Colour: White and black
Current:
- Primary Rated Current: 5A to 6kA
- Secondary Rated Input: User-selectable external CT secondary (1A/5A)
- Input Channel Maximum Value: 7.5A
- Current Measurement Range: 0.005 to 5A
Voltage:
- Range: 0–600VAC Phase to Phase
- Maximum Range: 720VAC Phase to Phase
Digital Signal:
- Energy Pulse Output: Active energy pulse output, optocoupler isolation (5kVrms)
- Relay Output: One-way electromagnetic relay output, including normally open and normally closed contacts, contact capacity: 3A 30V DC, 3A 250V AC
- Digital Input: 2-way dry contact input, optocoupler isolation (5kVrms)
Communication:
- RS485 Communication: One-way RS485 communication interface
- Interface type: Two-wire half duplex
- Baudrate: 2400bps to 19200bps
- Protocol: Modbus RTU
Power Supply:
- Power Supply: 95–265VAC/110–260VDC, 45–60Hz
- Maximum Power Consumption: 3.5VA
Demand / Maximum Demand:
- Current: Per phase
- Power: Active power, reactive power, apparent power (sum of all phases and three phases)
Accuracy and Applicable Standards:
- Meter Series: Sinusoid SS4
- Current Measurement Accuracy: ±0.3% RDG
- Range of Current Measurement Accuracy: 0.5% FS–100% FS
- Voltage Measurement Accuracy: 0.2% (30–600V AC)
- Grid Frequency Accuracy: 0.01% (45–65Hz)
- Power Factor: ±0.005
- Active and Apparent Power Standard: IEC62053-22 level 0.5S
- Reactive Power Standard: IEC62053-21 level 2S
- Active Energy Standard: IEC62053-22 level 0.5S
- Reactive Energy Standard: IEC62053-21 level 2S
Environmental Conditions:
- Operating Temperature: -25°C to +60°C
- Storage Temperature: -40°C to +85°C
- Humidity Range: 5% to 95% RH, 50°C (non-condensing)
- Class of Pollution: 2
- Overvoltage Capability: CAT III 1000V, suitable for distribution systems below 277/480VAC
- Insulation Strength: IEC61010-1
- Altitude: 3000m Max
- Enclosure: IP50 (Front), IP20 (Back) (IEC 60529 standard)
- Warranty: 12 months
EMC (Electromagnetic Compatibility):
- Electrostatic Discharge: Level CAT IV 600V (IEC61000-4-2)
- Radiated Immunity: Level CAT III 1000V (IEC61000-4-3)
- EFT Electrical Fast Burst Immunity: Level CAT IV 600V (IEC61000-4-4)
- Surge Immunity: Level CAT IV 600V (IEC61000-4-5)
- Conducted Disturbance Immunity: Level CAT III 1000V (IEC61000-4-6)
- Power Frequency Magnetic Field Immunity: 0.5mT (IEC61000-4-8)
- Conduction and Radiation: Class B (EN55022)
Measurement Standards:
- Standards: EN 62052-11, EN 61557-12, EN 62053-21, EN 62053-22, EN 62053-23, EN 50470-1, EN 50470-3, EN 61010-1, EN 61010-2, EN 61010-031
Environment Conditions:
- Insulation Strength: IEC61010-1
- Maximum Altitude: 3000m
- Enclosure Protection:
- Front: IP50
- Back: IP20 (Compliant with IEC 60529 standard)
- Warranty: 12 months
EMC (Electromagnetic Compatibility):
- Electrostatic Discharge: Level CAT IV 600V (IEC61000-4-2)
- Radiated Immunity: Level CAT III 1000V (IEC61000-4-3)
- EFT Electrical Fast Burst Immunity: Level CAT IV 600V (IEC61000-4-4)
- Surge Immunity: Level CAT IV 600V (IEC61000-4-5)
- Conducted Disturbance Immunity: Level CAT III 1000V (IEC61000-4-6)
- Power Frequency Magnetic Field Immunity: 0.5mT (IEC61000-4-8)
- Conduction and Radiation: Class B (EN55022)
Measurement Standards:
- EN 62052-11, EN 61557-12, EN 62053-21, EN 62053-22, EN 62053-23, EN 50470-1, EN 50470-3, EN 61010-1, EN 61010-2, EN 61010-031
