Metrix MX 57 EX User Manual

X02137C00 - Ed. 1 - 06/07 Chapter II
Intrinsically safe portable digital multimeter
40
5.7. Diode threshold voltage measurement
Measurable voltages : 0 to 2 V
Measurement current : 1 mA ± 20 %
Resolution : 1 mV
Protection : 600 V RMS , can be reset automatically.
5.8. dB function
Displays measured values in dBm relative to a resistance reference which can be adjusted
from 1 to 9999 ohms and backed up in non-volatile memory (factory-set to 600 ohms, refer to
adjustment procedure in §. 4.6).
Resolution : 0.01 dB
Absolute error in dB : 0.09 x V
AC
relative error as a percent
Additional computation error : ± 0.01 dB
Measurement range : 10 mV
AC
to 600 V
AC
( ♦ )
Protection : ± 1100 V
5.9. Resistive power function
Displays resistive power relative to a resistance reference which can be adjusted from 1 to
9999 ohms and backed up in non-volatile memory (factory-set to 600 ohms, refer to
adjustment procedure in §. 4.6.).
Measured function is : (measured voltage)
2
/ Rref
Resolution : 100 µW
Accuracy : 2 x V
AC
accuracy (%)
Measurement max. voltage : 600 V
AC + DC
( ♦ )
Protection : ± 1100 V
Display unit : VA
5.10. Frequencies
Selector switch setting : V
AC
, mV, V
DC
, mA
Measurement range : 0.62 Hz to 500 kHz
Accuracy : 0.03 % ± D
Protection : 1100 V in V
AC
, mV, V
DC
modes
600 V RMS (F1) in mA mode
Display : 50 000 counts
SENSITIVITY
Range
500 µA
to 500 mA
500 mV
5 V to 500 V
(♦)
600 V (♦)
0,62 Hz to 5 kHz* 3 % of range 5 % of range 2 % of range 100 V
5 kHz to 50 kHz 5 % of range 6 % of range 5 % of range 250 V
50 kHz to 500 kHz 10 % of range ///////////// 10 % of range /////////////
* rectangular signal
Additional positive limit in DC : + 3 % of range, except in 600 V
DC
range (150 V additional)
( ♦ ) Refer to page 37.

Metrix MX 57 EX Specifications

General

Brand	Metrix
Model	MX 57 EX
Category	Multimeter
Language	English