OXYGAS 500 and OXYGAS P-500
A combination instrument for your leak detection and Purging/ Inerting operations
FEATURES:
Combustible Gas Indicator (CGI) and Purge modes
Simple 2-button operation, allowing user access to all features
Audible and Visual Geiger (Ticker) in PPM range (Oxygas P-500 only)
Integral pump
Optional Alkaline Cells or Rechargeable Battery Pack
Proven track record for reliability
Rugged carbon loaded polypropylene case, sealed to IP54 rating and
suitable for outdoor use
LCD with backlighting that displays the current gas readings
(in both digital and analogue format)
Comprehensive range of accessories
ATEX approved
Directly interfaces with the GMI Auto Test Calibration Units
Measuring Ranges
Oxygas 500/Oxygas P-500
0 to 25% Oxygen (O2)
0 to 100% VOL GAS
0 to 100%LEL
0 to 1000PPM Flammable (Oxygas P-500 only)
Resolution
Oxygen (O2)	0 to 21%		0.1%
	21 to 25%		1%
Vol Gas	0 to 100%		1%
LEL	0 to 10%		0.1%
	10 to 100%		1%
PPM Flam.	0 to 1000		5 ppm
Physical Properties
Weight:	1.7kg (3.75lbs.) with alkaline batteries
Dimensions:	180 x 95 x 105 mm. (7.08 x 3.74 x 4.13 in.)
Environment
Temperature Limits:		-20๐C to +50๐C (-4๐F to +122๐F)
Humidity:		0 to 95%R.H. non-condensing
Construction
Moulded polypropylene case protected to IP54
Display
LCD containing:
4-digit digital display
Analogue display
3-character range indication
Operation flags
Sampling System
Integral pump with flow fail sensor.
Sample path is protected by hydrophobic fiter and automatic pump switch-off.
Power Source
Four ‘D’ size alkaline cells providing approx. 15 hours runtime at 20๐C (68๐F)
Rechargeable (NiCd) battery pack providing approx. 9 hours runtime at 20๐C (68๐F)
Geiger (Ticker)
Indicates gas concentration increase in PPM range via the increased rate of sounder and
LED pulse (Oxygas P-500 only).
Expected Sensor Life
Flammable 5 years
Oxygen 2 years