MSA GASGARD 8, Инструкция по эксплуатации

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Alarm Acknowledge Button (Ack) - Acknowledges alarm and
fault conditions and silences buzzer.
Test Button - Inhibits monitor gas reading capability in order to
indicate all software settings on the display, including:
•
Alarm level setpoints
•
Upscale/downscale setting
•
Energized/de-energized status
•
Latching/non-latching setting
•
Buzzer status.
Sensor ID Tag Area - Use this area to identify the sensor type
connected to the Gasgard 8 Monitor.
Table 1-1. Gasgard 8 Gas Monitor General Specifications
ELECTRICAL CHARACTERISTICS
POWER SUPPLY
AC Voltage 100 - 240 VAC, 47 - 63 Hz
DC Voltage 24 VDC
SENSOR
CAPACITY
Up to eight sensors
SENSOR INPUT
4-20 mA;
three-wire or two-wire loop powered
READ-OUT Four-digit LED display (1/2" digits)
SETPOINTS
Alarm Level
Four alarm set points (AL1, AL2, AL3,
AL4) with indicating LEDs
Full-scale Range Variable .1 to 99.9 or 999
RELAYS
Alarm Four programmable
Fault One common
External One common
Status
All have one LED to indicate coil
voltage
Terminals #12 gauge maximum wire size
Contacts
Single-pole, double-throw, 2 amps,
250 VAC, 3 amps, 30 VDC
AUDIBLE ALARM
Piezo Electric
Horn
Approximately 75 decibels
OPERATING
RANGE
Relative Humidity 15 to 90% non-condensing
Temperature
Range
Operating 0
o
C to 50
o
C
Storage -20
o
C to +70
o
C
PHYSICAL CHARACTERISTICS
ENCLOSURE
NEMA 4 Wall Mount, not suitable for use in hazardous
locations
Dimensions
10.5" (H) x 17.75" (W) x 5" (D)
(265 x 445 x 140 mm)
Case Weight 15.5 lbs.
APPROVALS
CE, European Standards EN 50081-2-1993 / EN
50082-2-1995, CEM 89/336/CEE, LVD 73/23 amended by
93/68/CEE
Chapter 1, General Information
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