Electrical Connections - Michell Instruments Easidew Online User Manual

Dew-point hygrometer
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Easidew Online User's Manual
2.8

Electrical Connections

Electrical connections to the Easidew Online system are as follows:
AC power supply, 100 to 240 V AC (-15%, +10%), 50/60 Hz, 6 VA. A low
voltage (24 V DC) option is also available.
Transmitter current loop input, 4-20 mA (24 V DC loop power provided
by monitor).
Alarm 1 (Low), potential free contacts, single pole make. Contacts rated
at 250 V, 5 A.
Alarm 2 (High), potential free contacts, single pole changeover. Contacts
rated at 250 V, 5 A.
Re-transmitted input signal from the dew point transmitter 4-20 mA or
0-20 mA.
Michell Instruments
INSTALLATION
11

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