Metrix MX 435D User Manual

Chapter II
Digital Earth Tester
43
4. Technical specifications
4.1. Functional specifications
(Accuracy = n % L + n D, means "n % of reading + n Digits" according to IEC 485).
4.1.1. Continuity (IEC 61557-4, 1997)
Range
0.10 - 20.00 :
Resolution
0.01 :
Accuracy
from 0.10 : to 0.12 : : - ± 3 D
from 0.13 : to 0.19 : : 2 % ± 4 D
from 0.20 : to 20.0 : : 2 % ± 5 D
Measuring current
> 200 mA
DC
Voltage at open circuit
4 V
d
V
d
24 VDC
Protection
480 Vrms
Beeper threshold
2 : ± 0.15 :
Switching over the test leads inverts the current flow, thus providing
R AVG =
2
R2R1
, where R1 and R2 are measured with opposite flow directions.
4.1.2. Earth (IEC 61557-5, 1997)
Rating
0.15 - 20.00 :
15 - 2000 :
Resolution
0.01 :
1 :
Accuracy
0.15 : to 0.20 :: 2 % ± 4 D
0.21 : to 0.50 :: 2 % ± 5 D
0.51 : to 20 : : 2 % ± 8 D
15 : to 50 :: 2 % ± 4 D
50 : to 2000 :: 2 % ± 5 D
Max. output current
< 5 mA
< 5 mA
Voltage at open circuit
< 25 V
< 25 V
U
TEST
frequency
1024 Hz
1024 Hz
Protection
480 Vrms
480 Vrms
4.1.3. R LOOP
Range
0,00 - ȍ
0 -ȍ
Resolution
ȍ
ȍ
Accuracy
± 2.0 % ± 8 D
± 2.0 % ± 5 D
Max. output current
< 5 mA
< 5 mA
Off-load voltage
< 25 V
< 25 V
U
TEST
frequency
1024 Hz
1024 Hz
Protection
480 VRMS
480 VRMS

Metrix MX 435D Specifications

General

Brand	Metrix
Model	MX 435D
Category	Test Equipment
Language	English