GDS GASMAX II, Руководство по эксплуатации и обслуживанию

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GASMAX II Operation & Maintenance Manual, Revision 7.0
Page 51
10 SPECIFICATIONS
Model GASMAX II Single / Dual Channel Gas Monitor
Power Input 10-30VDC at < 4 watts (167 mA) with relay board.
Max Inrush current < 5x steady state current for < 33 mSec.
Display 64 x128 pixel LCD with engineering units, bar graph and 30-minute trend
Channel One
Input
Microamp-level input for local or remote GDS Corp toxic gas sensors
Optional 4-20mA input for remote sensor transmitters, GDS-IR, GDS-50 or other 4-
20mA source
Channel Two
Input
Bridge-type input with adjustable excitation voltage for local or remote Catalytic Bead,
SmartIR or PID sensor
Optional 4-20mA input for remote sensor transmitters, GDS-IR, GDS-50 or other 4-
20mA source
Accuracy +/- 5% of full scale (typical)
Standard
Output
Dual three-wire 4-20mA current source outputs with fault and overrange indication.
Maximum loop resistance is 750 ohms with standard 24VDC supply
Fault output = 0.0 mA for all fault conditions
Optional
Output
Relay / MODBUS interface with 3x 5A SPDT programmable alarm relays
Dual isolated 4-20mA outputs
Single or dual input MODBUS slave interface (no relays)
Temperature Electronics -40°C to +60°C. See Sensor Manual for additional details
Memory On-board non-volatile memory retains all user settings
Housing Aluminum housing with epoxy paint standard; #316 stainless steel optional
ne ¾” PT female connection for local sensor head
Two ¾” PT female connections for conduit or cable glands
Dimensions Width . ” mm , Height ” mm , epth ” mm hipping weight .
pounds (3 kg)
Approvals CSA Certified Division 1 & 2 Groups B, C, D. Suitable for explosion-proof installations
with flame arrestor
Warranty Two years on electronics, one year on sensor