MKS 670B - Product Location and Requirements; Operating Environmental Requirements; Safety Conditions; Electrical Requirements

Chapter Two: Installation Product Location and Re
q
uirements
27
Product Location and Requirements
The Type 670 unit meets the following criteria:
•
POLLUTION DEGREE 2 in accordance with IEC 664
•
Transient overvoltages according to INSTALLATION CATEGORY II
Operating Environmental Requirements
•
Ambient Operating Temperature: 15
°
to 40
°
C (59
°
to 104
°
F)
•
Main supply voltage fluctuations must not exceed
±
10% of the nominal voltage
•
Connect the power cord into a grounded outlet
•
Ventilation requirements include sufficient air circulation
Caution
Position the 670 instrument in a location with sufficient air
circulation. Insufficient air circulation could damage the instrument.
Safety Conditions
The 670 unit poses no safety risk under the following environmental conditions.
•
Altitude: up to 2000 m
•
Maximum relative humidity: 80% for temperatures up to 31
°
C, decreasing linearly to
50% at 40
°
C
The 670 instrument fits in a standard ½ rack mount and can be placed on a work bench or
mounted in an instrument panel. The optional RM-6 Rack Mount is necessary to mount the
controller in a panel cutout or a 19” rack.
Electrical Requirements
•
Power: 100 to 120 VAC nominal (for the 115 V line voltage setting) or 200 to 240 VAC
nominal (for the 230 V line voltage setting) @ 50/60 Hz, 40 Watts (21 Watts with
transducer heater off)
Caution
Plug the 670 unit into a grounded electrical outlet to ensure proper
grounding.
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