Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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User's Manual Datasheet
Hydrogen, Binary Gas and Gas Mixtures Measurement
Features
Compact, lightweight and easy to install
Intuitive user interface
Tough IP55 housing
Low cost of ownership due to minimal maintenance
Measurement ranges from 0 to 5% up to 0...100 % and 50/80/90...100 %
Accuracy of better than ±1 % full scale
2 x 4...20 mA outputs and Modbus RTU over RS485 as standard
A lightweight and compact binary gas analyzer for measuring gas mixtures – such as air in argon or carbon dioxide in air. Suitable for installation in safe areas the XTC501 has a tough, IP55-rated housing. Available with an optional display and 4-button interface, the analyzer is easy to install, configure and operate.
Because the thermal conductivity sensor has no consumable parts and will last the lifetime of the analyzer, XTC501 has a competitively low lifetime cost of ownership and is simple to maintain.
Specifications
| Performance | |
| Measurement Technology | Thermal Conductivity sensor |
| Measured Gases | Air, Ar, CH4, CO2, H2, He, or N2 |
| Background Gas | Analyzer is calibrated in the background gas of the process. |
| Gas Requirements | Non-condensing sample with particles <3μm |
| Measurement Range | Selectable from 0...1 % up to 0...100 %, 50...100 % up to 99...100 % (see order code sheets) |
| Display Resolution |
0.0001 0.1 % for XTC ranges > 10 % |
| Display Type | Backlit LCD (not on 501-GP2 model) |
| Intrinsic Error (Accuracy) |
< ± % of range or ±0.05 % H2 or He, whichever is greater < ±2 % of range (for all other gas mixtures and ranges) |
| Response Time (T90) |
< 50 seconds for most gas combinations < 20 seconds H2 or He |
| Repeatability | ±0.2 % of range |
| Linearity | ±1 % of range |
| Zero Stability | ±0.5 % of range per month |
| Range Stability | ±0.5 % of range per month |
| Sample Flow Rate | 100...500 ml/min (0.2...1.27 scfh) |
| Sample Flow Effect (Calibrated at 300 ml/min) | < 1 % of range for flows within stated range |
| Sample Pressure | A fixed pressure of 0.75 to 1.5 Bar A (10 to 20 psi A) (unit must be calibrated at the same pressure as sample) |
| Maximum Safe Pressure | 2 barg (29 psig) |
| Sample Temperature | A constant temperature of 5 to 45 °C (+41...+113 °F) |
| Sample Cell Temperature | +50 °C (+122 °F) |
| Electrical Specifications | |
| Analog Inputs |
1 off mA input for an external sensor (can be displayed on the screen) 1 off mA input to act as an active compensation for the process conditions |
| Analog Outputs | 2 off 4...20 mA outputs (powered with 24V excitation voltage) |
| Output Ranges | Primary range is set to the calibrated range of the instrument. The second is user-selectable |
| Alarms | 2 off single pole changeover relays for concentration (250 V, 5 A max) |
| Datalogging | Digital communications can be used to log the output from the analyzer on an external device |
| Digital Communications | Modbus RTU over RS485 Protocol |
| Power Supply | 24 V DC; 1.0 A max |
| Operating Conditions | |
| Ambient Temperature | +5...+50 °C (+41 °F...+122 °F) |
| Mechanical Specifications | |
| Warm-Up Time | < 25 minutes (at 20 °C ambient) |
| Stabilization Time | 5 minutes |
| Wetted Materials | 316 stainless steel, borosilicate glass, platinum, (plus O-ring) |
| Dimensions (w x d x h) | 260 x 180 x 128 mm |
| Weight | Approx. 3 kg |
| O-Ring Materials | Viton |
| Gas Connection | 1/8” bulkhead standard |
| Ingress Protection | IP55 |
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