Toshiba – Toshiba LF494 User Manual
Page 25
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
TOSHIBA
6 F 8 A 0 7 7 4
I'lowmeter acuumcy may be affccieJ by the way wiring is executed. Proceed with wiring
taking ihc foJIowiJig prccauiions:
(1) Select the cable runs away from electrical equipment (motors, transformers, or
nidio transmitters) which causes electromagnetic or electrostatic interference.
(2) Deteriorarion of fJowmetcr circuit insulation occurs if the converter interior or
cable ends gel w^et or humidified. 'I’his in turn causes malfunction of flowmeter
or noise problems, Avoid a rainy day if the flowmeter is to be installed outdoors,
l-ven indoors, prevent w^ater from splashing over the flowmeter. Try to finish the
W'iring as quickly as possibJe
(3) The converter has a surge-ai>sorbing barrier installed inside. Therefore, do not
conduct a wdthsiand voltage test for Ihe converter. To check ihe insulation of the
converter, use a voltage of 250 V dc or le.ss.
-
2 4
-