Recommended Cables Condition; Insulation Resistance / Withstand Voltage Test - Oval ALTI mass Series Instructions Manual

Extra-high pressure service coriolis flowmeter, sensor unit, transmitter
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L-770HP--E

6.5.5 Recommended cables condition

Classification
Terminal
Power supply
ANALOG, 
PULSE
Signal
STATUS I/O
RS-
NOTE:
For the signal cable, use the shielded cable.

6.6 Insulation Resistance / Withstand Voltage Test

Noise reduction parts are equipped between the power supply line and the grounding and between the
output terminal and the grounding. When conducting insulation resistance test / withstand voltage test on
these lines, please follow the conditions as described below.
Also, insulation resistance test / withstand voltage test cannot be conducted on sensor connection
terminals.
Insulation resistance test
 ・Between the power supply line and the grounding: 00MΩ/00VDC
 ・Between the power supply line and the input / output terminal: 0MΩ/00VDC
 ・Between the input / output terminal and the grounding: 0MΩ/00VDC
Withstand voltage test
 ・AC power specification: between the power and the grounding: AC 00V (for  minute),
leak current: mA or less
 ・DC power specification: between the power and the grounding: AC 000V (for  minute),
leak current: mA or less

Rated voltage /
allowable current
(at 0℃ )
L / N
00V or more
A or more
(Earth)
00V or more
0.A or more
Recommendation
Cross-sectional area
.sq to .0sq
AWG to 
0.7sq to .0sq
AWG to 
0.7sq AWG
Crimp terminal
Ring type .mm or less
For M
Ring type .mm or less
For M.

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