XTC601 - binary gas analyzer

A robust, linear and stable thermal conductivity analyzer for measurement of binary gas mixes such as air in hydrogen, nitrogen, argon, helium or carbon-dioxide. The sensor is housed in a rugged casing, making it suitable for a wide range of applications. When the flame arrestors are fitted, the analyzer becomes explosion-proof and suitable for hazardous areas.

Technical Specification

Measurement TechnologyThermal Conductivity sensor
Measured GasesCO2, CH4, Ar, He, N2, H2 or Air
Gas RequirementsNon-condensing sample with particles ±3μm
Measurement RangeSelectable from 0-5 up to 0-100%
Display Resolution0.1%
Display TypeBacklit LCD
Intrinsic Error (Accuracy)< ±2% of span*
Response Time (T90)Standard < 20 seconds*
Repeatability±0.2% of span
Linearity±1% span
Zero Stability±0.5% of span per month
Span Stability±0.5% of span per month
Sample Flow Rate100 to 600 ml/min
Sample Flow Effect
(calibrated at 300 ml/min)
< 1% of span for flows:
100 to 600 ml/min
Sample Pressure0 to 3 barg
Sample Temperature0 to +45°C max
Sample Cell TemperatureStandard +50°C
Electrical Specifications
Analog Inputs2 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 Outputs2 off 4-20 mA outputs
Output RangesPrimary range is set to the calibrated range of the instrument
The second is user selectable within the primary range
Alarms2 off single pole changeover (SPCO) relays (250 V, 5 A max)
DataloggingThe 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 CommunicationsMODBUS RTU over RS485 Protocol
Power Supply24 V DC; 1.5 A max
Operating Conditions
Ambient Temperature-20 to +55°C (dependent on configuration)
Mechanical Specifications
Warm Up Time< 30 minutes
Stabilization Time15 minutes
Dimensions172 x 234 x 234mm (h x w x d)
Wetted Materials316 stainless steel, boroscillicate glass, platinum, (plus O-ring)
O-Ring MaterialsViton, Silicone or Ekraz
Gas Connection1/4” NPT, 1/4” tube or 6mm tube
Ingress ProtectionIP66, NEMA 4X
Hazardous Area Classification
Ex d IIB +H2 T3 Gb
Ex tb IIIC T137°C Db IP66
IECExEx d IIB +H2 T3 Gb
Ex tb IIC T137°C Db IP66
Temperature Ranges for ATEX and IECEx as per O-ring TypeSilicon: Ta = -40°C to +55°C
Viton: Ta = -15°C to +55°C
Ekraz: Ta = -10°C to +55°C
CCSAUSClass I, Division 1, Groups B,C,D
TC TR Ex-Cert1Exd IIB+H2 T3 Gb
*The typical intrinsic error and response time will be as above. Certain gas combinations and/or ranges may have different specifications. Please consult Michell Instruments for specific cases. For example, CO2 / N2 would be < 50 seconds for T90

Pirkt XTC601 - binary gas analyzer
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XTC601 - binary gas analyzer, cena: --- euro