Field Instruments

Measurements

measuring procedure

● for voltage measurement

True RMS

● for current measurement

True RMS

type of measured value detection

complete

voltage curve

Sinusoidal or distorted

measurable line frequency

● initial value

45 Hz

● full-scale value

65 Hz

operating mode for measured value detection automatic line frequency detection

Yes

Supply voltage

design of the power supply

SMPS power supply

type of voltage of the supply voltage

AC

Degree of protection protection class

protection class IP on the front

IP65

protection class IP of the terminal

IP20

Suitability

suitability for operation

Installation in stationary panels in closed rooms

Product Functions

product function

● voltage measurement

Yes

● current measurement

Yes

● active power measurement

Yes

● reactive power measurement

Yes

● power factor measurement

Yes

● frequency measurement

Yes

● apparent energy/active energy/reactive energy

Yes

Display and operation

design of the display

LCD

height of the display

60 mm

width of the display

60 mm

color of the background of the display

White

illuminance of display backlight adjustable

No

time-controlled reduction of the illuminance of display backlight possible

Yes

display contrast adjustable

No

national language on the display screen is supported

EN

number of keys

4

Communication

transfer rate minimum

0.3 kbit/s

transfer rate maximum

19.2 kbit/s

Fault limits

reference condition for metering accuracy

according to IEC61557-12, IEC62053-21, IEC62053-23

formula for relative total measurement inaccuracy

● for measured variable voltage

Class 0.5 acc. to IEC 61557-12

● for measured variable current

Class 0.5 acc. to IEC 61557-12

● for measured variable apparent power

Class 1 as per IEC 61557-12

● for measured variable active power

Class 1 acc. to IEC 61557-12

● for measured variable reactive power

Class 2 as per IEC 61557-12

● for measured variable output factor

Class 1 as per IEC 61557-12

● for measured variable active energy

Class 0.5 acc. to IEC 61557-12 and IEC 62053-21

● for measured variable reactive energy

Class 2 as per IEC 61557-12 and IEC 62053-23

● for measured variable THD

Class 3 as per IEC 61557-12

Inputs Outputs

number of digital inputs

1

type of electrical connection at the digital inputs

screw-type terminals

operating conditions for digital inputs external voltage supply

Yes

input voltage at digital input at DC maximum

30 V

input current at digital input initial value for signal<1>-recognition

10 mA

number of digital outputs

1

type of switching output

Unidirectional

digital output version

Switching or pulse output function

operating voltage as output voltage at DC maximum permissible

30 V

type of electrical connection at the digital outputs

screw-type terminals

output current at the digital outputs at DC limited to 100 ms maximum

130 mA

internal resistance at the digital outputs

55 Ω

standard for pulse emitter

according to IEC62053-31

pulse duration

● initial value

100 ms

● full-scale value

2 000 ms

adjustable time period minimum

100 ms