Energomonitor-3.1KM-E

National registry No 86936-22

Multifunctional measuring instrument

Accuracy class: 0.02, 0.05

Purpose

The Energomonitor-3.1KM-E is intended for accuracy testing, verification and calibration of:

	Smart energy meters compatible with electronic transformers specified by IEC 60044-X standards
	Conventional energy meters of accuracy class 0.2S (or less accurate)
	Conventional instrument voltage and current transformers
	Instruments for AC voltage, current, and power measurements
	Power quality analysers

Measured parameters	Measuring range	Intrinsic measurement error
Measured parameters	Measuring range	Class 0.02	Class 0.05
AC voltage	0.001 to 960 V (U_NOM = 10 mV, 100 mV, 1, 2, 5, 10, 30, 60, 120, 240, 480, 800 V)	±0.01 %	±0.02 %
AC current	1 mA to 120 A (I_NOM = 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 100 A)	±0.01 %	±0.02 %
Output voltage proportional to input current, mV	0.001 to 12 V (U_NOM = 10 mV, 100 mV, 1 V, 10 V	±0.01 %	±0.02 %
Phase angle between fundamental harmonics of phase voltages or between fundamental harmonics of current and voltage in the same phase	0° to 360°	Absolute:
	0° to 360°	±0.01°	±0.03°
Apparent power, VA		Relative
Apparent power, VA		0.02 %	0.04 %
Active power, W	0.1_UNOM to 1.2U_NOM 0.1_INOM to 1.2I_NOM	Relative
Active power, W	0.1_UNOM to 1.2U_NOM 0.1_INOM to 1.2I_NOM	±0.01 %	±0.05 %
Reactive power, Var	0.01Q_INOM to 1.44Q_INOM	Relative:
	0.9 ≤ \|sin φ\| ≤ 1.0	±0.03 %	±0.1 %
	0.2 ≤ \|sin φ\| ≤ 0.9	±0.05 %	±0.1 %
AC frequency, Hz	40 to 450 Hz	Absolute:
AC frequency, Hz	40 to 450 Hz	±0.0004(f/50)	±0.001(f/50)

Mains power supply

198 ... 260 V,
47 ... 63 Hz

AC power consumption

100 VA, or less

Operating temperature range

+10 to +35 °C

	EM3.1KM-E can be applied for verification and calibration of both conventional and smart (compatible with electronic transformers) energy meters
	Calibration and verification of instruments with a rated frequency of 400 Hz
	Extended voltage measurement range