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MT310 Portable Reference Meter

The MT310 is a portable Reference Meter based on newest technology in power and energy measurement. Various measuring features combined with its easy operation concept provide the greatest possible flexibility for a comprehensive testing of metering installations on site. Its double isolated plastic housing already reveals the high quality of the system. The equipment is offering optimal ergonomics and functionality combined with an excellent menu guided operation via built-in soft-keys and a 6.4” LCD-display. 
 
- Testing of electricity meter installations with 2-wire, 3-wire and 4-wire circuits
- Testing of energy and power registers
- Power and energy measurement of active, reactive and apparent energy
- 4 quadrant measurement
- Frequency-, phase angle- and power factor measurement
- Harmonic waveform analysis for voltage and current up to the 40th THD
- Distortion factor measurement
- Vector diagram display
- Waveform sampling
- Rotary field display
- Determination of the operating burden on instrument transformers for CT and PT
- Ratio test by simultaneous measurement of both primary and secondary currents in
- CT connected metering systems 
- Selective power measurement 
- External thermal-printer for presentation of the measuring results at customer site 
- Energy dosage 
- Operation via test voltage possible 
 
- Excellent user-guidance
- Many configuration possibilities by adding various measuring adapters
- Unique long-term and temperature stability of the measuring module
- Current measurement up to 120 A with error compensated Clip-on CTs
- Internal memory to store measurement results and customer data
- Windows based data management software MTVis for evaluation of the test results
- External system control via PC with windows based control software
- Current measurement up to 10000 A by using a required current sensor
- No additional error for reactive measurement
- Accuracy class 0.1 
Phases 3
Accuracy class 0.1
Display 6,4"
Main functions
Direct measurement up to 12 A / 300 V
Current measurement (only via special current clamps) up to 30000 A
Actual values, vector and curve display
Harmonics up to 40th
Error measurement
Scope of application On-site measurement with system load
Specials
Burden measurement for CT / VT
I-transformer testing (optional)
Selective measurement (optional)
Energy dosage (optional)
Also available as CAT IV device

Technical Data:

General

Power supply 85 … 265 V, 47 … 63 Hz
Power consumption  ~ 22 VA
Temperature range, operation -10° … + 50° C
Temperature range, storage -15° … + 65° C
Relative humidity (not condensing)  max. 95 %
Dimensions (DxWxH) 220 x 290 x 80 mm
Weight 2.7 kg

 

 
MT310 Three Phase Reference Meter CATIII
 
Inclusive adjustment for one mains frequency. MT310 is light weight and compact reference meter for on-site verification and calibration of single or three phase meters. Test voltage and test current for the Reference Meter will be measured at mains on-site or can be generated and measured via external source (optional). (e.g. MT400 oder MT500)
MT310 is designed for testing of max. 1 test specimen.
 
Configuration:
 
- Direct current measurement up to 300 V / 12 A
- Accuracy for power/energy measurement: < ±0.1 %
- Burden measurement for instrument transformer installations
- Wide range of accessories (optional)
 
 
MT310 Three Phase Reference Meter CAT IV
 
Inclusive adjustment for one mains frequency. MT310 is light weight and compact reference meter for on-site verification and calibration of single or three phase meters.Test voltage and test current for the Reference Meter will be measured at mains on-site or can be generated and measured via external source (optional). (e.g. MT400 oder MT500)
MT310 is designed for testing of max. 1 test specimen.
 
Configuration:
 
- Direct current measurement up to 300 V / 12 A
- Voltage input designed for protection class CATIV
- Accuracy for power/energy measurement: < ±0.1 %
- Burden measurement for instrument transformer installations
- Wide range of accessories (optional)