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Chapter 10 Specifications
170
(8) Probe Short-Circuit Detection
(9) Contact Improvement Function (Contact Improver)
Current Monitor Function
Operation
Detects faults that can obstruct normal measurement current. This function cannot be
disabled.
Voltage Level Monitor Function
Operation
Detects an error when the detection voltage is unstable (for each range)
Default state
ON, Normal (Loose is the default only for the 100 M
range)
Setting
ON / OFF
Threshold setting
Loose
Normal
Severe
Comparator Decision and Display Indications
Table 3. Measurement States and Display Indications
Constant Current Monitor
PASS
FAIL
Contact Check
Voltage Level Monitor
PASS
Measurement value is displayed
Normal Decision
Out-of-Range Display
Hi/Lo Decision
FAIL
Contact Error
No Decision
Contact Error
No Decision
Operation
An error is detected within a certain period after EOM signal output if a connection last-
ing more than 1 ms is found between H
POT
and H
CUR
or L
POT
and L
CUR
terminals.
Default state
OFF, 5 ms
Setting
ON / OFF
Test timing is 1 ms to 100 ms
Threshold
500
fixed (reference value)
Operation
Applies a contact improvement current (at oxidized film breakdown voltage)
between the H
POT
and H
CUR
, and the L
POT
and L
CUR
terminals.
(for each range)
The PULSE setting applies the contact improvement current for only 100
µ
s before
measuring.
Default state
ON, Current-limited to 35 mA (100m
-range to 100k
-range, LOW POWER: ON all
ranges)
PULSE, Current-limited to 35 mA (1000k
-range to 100M
-range)
Setting
OFF/ ON/ PULSE
Applied voltage
20 V
MAX
Current limit
17 mA, 25 mA, 35 mA, 50 mA (peak current reference value)
Summary of Contents for RM3542
Page 2: ......
Page 6: ...Contents iv ...
Page 16: ...Operating Precautions 10 ...
Page 26: ...1 3 Screen Organization 20 ...
Page 32: ...2 3 Turning the Power On and Off 26 ...
Page 46: ...3 8 Confirming Faulty Measurements 40 ...
Page 64: ...4 12 Compensating for Thermal EMF Offset Offset Voltage Compensation OVC 58 ...
Page 84: ...6 4 Auto Exporting Measured Values at End of Measurement Data Output Function 78 ...
Page 90: ...7 3 Printing 84 ...
Page 172: ...9 10 Device Compliance Statement 166 ...
Page 190: ...11 4 Disposing of the Instrument 184 ...
Page 200: ...Appendix 5 Dimensional Diagram A10 Appendix 5 Dimensional Diagram ...
Page 214: ...Index Index 4 ...
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