User Manual
2 GMC-I Messtechnik GmbH
Standard Equipment – Contact Persons
Scope of Delivery
1 TRMS system multimeter METRAHIT ENERGY (M249A)
1 KS29 measurement cable set (Z229A)
2 Batteries
1 Condensed operating instructions
1 CD ROM (with operating instructions, data sheet and more)
1 DKD calibration certificate
1 Rubber holster and carrying strap
Overview
1
16 Mbit = 2048 kByte = up to 300,000 measured values,
sampling rate adjustable from 0.5 second to 9 hours
Function
Power measurement W (Var, VA, PF)
Energy measurement Wh (varh, VAh)
Events recording DC / AC events
Power disturbance recording PQ
Harmonic analysis V, A
Voltage (Ri ≥ 17 MΩ) V
DC
Voltage (Ri ≥ 9 MΩ) V
AC
TRMS
Voltage (Ri ≥ 9 ... 17 MΩ) V
AC+DC
TRMS
Crest factor (1 ≤ CF ≤ 11) 3
Frequency in Hz with V
AC
... 300 kHz
Low-pass filter 1 kHz with VAC
Bandwidth for V
AC+DC
or V
AC
100 kHz
Pulse frequency in MHz at 5V
TTL 1 Hz...1 MHz
Duty cycle as % 2.0% ... 98%
Voltage level measurement in dB 3
Resistance Ω
Conductivity nS
Low-resistance measurement
where I
CONST
= 3 mA
R
SL
Continuity test
where I
CONST
= 1 mA
3
Diode test
where I
CONST
= 1 mA
3
Temperature °C/°F with T
C
Type K
Temperature °C/°F R
TD
Pt100/Pt1000
Capacitance in F 3
Cable length in m 3
Current A
DC
A
AC
TRMS
A
AC+DC
TRMS
Bandwidth for A
AC+DC
or A
AC
10 kHz
Frequency in Hz for A
AC
... 60 kHz
Current clamp measurement with
adjustable transformation ratio
mV / A
mA / A
Relative value measurement
(ref. value measurement) ΔREL
3
Zero point 3
Data logger function
1
(memory) 16 MBit
Min-Max / data hold 3
IR interface (38.4 kBd) 3
Power pack socket 3
Rubber holster 3
Fuse 10 A / 1000 V
Protection
3
IP 52
Measuring Category 600 V CAT III
300 V CAT IV
Calibration DKD
Function