Tariff Meter – Saral

  • SECURE(CEWE INSTRUMENT AB)/UK

Saral is compact single phase direct connected intelligent credit’ meter for domestic, small commercial metering applications including net metering. Its enhanced revenue protection features coupled with inter-operable communication protocol makes it an ideal choice for distribution companies.
The meter offers an accurate and reliable metering solution for measurement of electrical energy in a single phase 2-wire network and ensures revenue assurance.

Product details

Metrology

  •  Saral sets a benchmark for metrology in its class and exhibits stable metrological characteristics in diverse field conditions

 Revenue protection

  • Ensures revenue protection even in case of wrong connections such as reversal, interchange of earth and neutral, partial earthing
  • Immune to abnormal magnetic interference and electric discharge
  • Extensive forensic information for detection and analysis of tamper

 End to end data security

  • Security against manipulating meter data
  • Authenticated billing and metering data with time stamp

 Highlights

  • Meter reading in absence of mains
  • Integrated base and cover
  • Current and temperature profile to help analyse loose connections, attempts to burn
  • Walkby meter reading over BLE (optional)

 Cost of owenership

  • Robust power supply designed to withstand harsh electrical and environmental conditions
  • Designed to serve a long life in the field
  • Meter is sealed for life
  • Burden is low

 Simplicity

  • Smallest footprint in its class
  • Compact and light weight
  • User friendly display
  • Intuitive display actuator without an opening

Benefits

  • Advanced anti tamper capabilities–prevention, detection and deterrence
  • Quality of supply information
  • Peak and off-peak tariff management
  • Stringent ingress protection/outdoor
  • Low cost of ownership
Electrical  
Connection type Direct connected
Wiring configuration Single phase, two wire
Voltage range 230/240 V (P-N)
Current range 5-30A, 10-60A, 10-100A
Accuracy class 1.0
Main frequency 50 / 60 Hz
Burden voltage circuit <0.5W and 1 VA
Burden current circuit <0.1 VA
Compliance  
Standards IS 13779, IEC 62052-11, IEC 62053-21, IS 15959
Meter constant 6400 imp/kWh, 3200 imp/kWh, 1280 imp/kWh
Mechanical  
Dimensions (W x H x D) 95 x 130 x 60mm (approx.)
Weight 0.3 kg (approx.)
Enclosure Engineering plastic
Environmental  
Ingress protection IP 54
Surge withstand 10 kV
Humidity 95% non-condensing
Temperature -20°C to +60°C (operating), -25°C to +70°C (storage)
Measurement  
Energy types Active and apparen
Energy registration Forwarded, import and export
Tariff

Up to 8 rate registers

Up to 8 time zones

Seasons, weekdays, and holidays

Maximum demand Configurable in 6 rate registers
Data storage  
Midnight energy 35 days for 2 parameters
Load survey More than 150 days (30min. IP) upto 5 parameters
Events Up to 300 events, compartment wise
History 12 billing periods
Communication

IEC 62056-21 physical port for local communication

Optional BLE (Bluetooth Low Energy) with mobile app support or RS 232 port over micro USB for remote communication 

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