A robust, linear and stable oxygen analyzer for measurements in gases such as hydrogen, nitrogen, biogas, or carbon dioxide. The sensor is housed in an IP66 rugged casing, making it suitable for a wide range of applications. When supplied with flame arrestors, the analyzer becomes explosion-proof and suitable for use in hazardous areas.

Technical Specification

Performance
Measurement Technology	Thermo-paramagnetic oxygen sensor
Gas	Process and non-condensing sample with particles <3µm
Measurement Range	Selectable from 0–0.5% up to 0-50% and 20, 80 or 90–100%
Display Resolution	0.01%
Display Type	Backlit LCD
Accuracy Excluding Suppressed Zero Ranges	<±1% of span or ±0.02% O2 whichever is greater
Accuracy For Suppressed Zero Ranges (80/90 - 100%)	< 0.2% O2
Response Time (T90) with High Speed Response (HSR) Enabled	< 15 seconds
Repeatability	±0.2% of span or 0.01% O2 whichever is greater
Linearity	±0.5% of span or 0.05% O2 whichever is greater
Zero Stability	±0.25% of span per month
Span Stability	±0.25% of span per month
Sample Flow Rate	100 to 600 ml/min
Sample Flow Effect (calibrated at 300 ml/min)	< 1% of span for flows: 100 to 600 ml/min
Sample Pressure	0 to 3 barg inlet with atmospheric vent
Sample Temperature	0 to +55°C max (+45°C for standard cell)
Sample Cell Temperature	Standard +50°C (Optional +55°C and +60°C)
Background Gas	Unit can be calibrated in a user-defined background gas to increase the accuracy
Electrical Specifications
Analog Inputs	2 off 4-20 mA inputs One for an external sensor that can be displayed on the screen One to act as an active compensation for the process conditions
Analog Outputs	2 off 4-20 mA outputs (isolated)
Output Ranges	Primary range is set to the calibrated range of the instrument The second is user selectable within the primary range
Alarms	2 off single pole changeover (SPCO) relays for O2 concentration (250 V, 5 A max)
Datalogging	The user can use the digital communications to log the output from the analyzer The unit will store 40 alarm points and the min/max O2 concentrations with date and time stamp
Digital Communications	MODBUS RTU over RS485 Protocol
Power Supply	24 V DC; 1.5 A max
Operating Conditions
Ambient Temperature	Dependent on o-ring selection: Silicon: –40°C to +55°C Viton®: –15°C to +55°C Ekraz: –10°C to +55°C
Mechanical Specifications
Warm Up Time	< 30 minutes
Stabilization Time	15 minutes
Dimensions	234 x 234 x 172mm (w x d x h)
Weight	9.7kg
Wetted Materials	316 & 430F stainless steel, boroscillicate glass, platinum, 3M 2216, plus O-ring
O-Ring Materials	Viton, Silicone or Ekraz
Gas Connection	1/4” NPT, 1/4” tube or 6mm tube
Ingress Protection	IP66, NEMA 4X
Hazardous Area Classification
ATEX	II 2GD Ex d IIB +H2 T3 Gb Ex tb IIIC T137°C Db IP66
IECEx	Ex d IIB +H2 T3 Gb Ex tb IIIC T137°C Db IP66
Temperature Ranges for ATEX and IECEx as per O-ring Type	Silicon: Ta = -40°C to +55°C Viton®: Ta = -15°C to +55°C Ekraz: Ta = -10°C to +55°C
CCSAUS	Class I, Division 1, Groups B,C,D
INMETRO	Ex d IIB + H2 T3 Gb Ex tb IIIC T137°C Db IP66
TC TR EX	1 Ex d IIB + H2 T3 Gb
The XTP601 process oxygen analyzer meets or exceeds all relevant clauses in BS EN 50104 : 2010 “Electrical apparatus for the detection and measurement of oxygen”.

Pirkt XTP601 - oxygen analyzer for safe or hazardous areas
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XTP601 - oxygen analyzer for safe or hazardous areas, cena: --- euro