Michell Instruments XZR250, Руководство пользователя

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XZR250 User’s Manual
36
97528
Issue 5, May 2019
APPENDIX A
Appendix A Technical Specifications
Performance
Measurement technology Zirconium Oxide
Gas Oxygen
Measurement range 0.1-25%
Output resolution 0.01 V, 0.01 mA or 0.01% O
2
Accuracy (0.25-25%) < 0.25% O
2
Response time (T90) < 15 seconds
Repeatability < 0.25%
Sample flow effect ±0.5% of full scale
Temperature measurement PT100
Display 16 Character, 2 Line, with backlight
Electrical Input/Output
Power supply 24 V DC, ±10% (limited power source)
Power consumption 700 mA maximum @ 24 V DC
Analog outputs Single or Dual 4-20 mA (550 Ω maximum loop load resistence)
Output range (oxygen) 0-25% O
2
Output range (pressure)* 760 - 1260 mbara (10.9 to 18.1 psia)
Output range (temperature)* -50 °C - +300 °C (-58 °F - +572 °F)
Relays 1 x System alarm (SPST, N/O as standard)
1 x User configurable process alarm (SPST, N/O as standard)
Digital communications RS485 protocol
Cable Gland M12 x 1.5
Cable size 7mm to 12.5 mm
outer diameter 4 to 11 cores with overall screen
Operating Specifications
Ambient temperature -20 °Cto +55 °C (-4 °F to +131 °F)
Ambient relative humidity 0-95% RH
Background gas Combustion gas from natural gas, biogas or oil
Sample gas temperature** +700 °C (1292 °F)
Sample pressure 760 - 1260 mbara Absolute
Mechanical Specifications
Warm-up time < 90 seconds
Stabilization time < 5 minutes
Dimensions 130 x 120 x 150 mm (h x w x d) excluding probe
Probe dimensions Nominally 50 mm OD with 435 mm insertion length
Weight: head 1.6 kg (3.5 lbs)
Weight: probe 4.8 kg (Stainless steel: 435 mm) (10.5 lbs)
Wetted materials Stainless steel, Macor ® , aluminium, platinum & PTFE
Process connection 2” 150 lbs ANSI flange
Ingress protection IP65
Housing material Painted aluminium