ZCK-1 - Zonecheck Keyswitch
INSTALLATION AND MAINTENANCE INSTRUCTIONS ZCK-1, ZCK-1E, ZCK-1EG, ZCK-1EN and ZCK-50 Zonecheck Keyswitch for Control and Monitoring of the Zonecheck Flow Switch Tester Electrical Specifications Operating Voltage: Operating Temperature: Operating Humidity: Mounting Options: Operation Modes: LED Operation: Tested to EN 61010-1 3825 Ohio Avenue, St.
Charles, Illinois 60174 1-800-SENSOR2, FAX: 630-377-6495 www.systemsensor.com ZCK-1: 120V, 60Hz; ZCK-1E, ZCK-1EG, ZCK-1EN and ZCK-50: