- Exclusive UK and Ireland Computrac partner
- European Computrac Service Centre
- Application and method support
AMETEK Brookfield Computrac Vapor Pro XL Moisture-Specific Analyser
Reagent-free, low-level water measurement for laboratory, quality control and production applications.
Key highlights
- Moisture-specific: Measures evolved water rather than total sample mass loss
- 10 ppm to 100%: Covers low-level and high-percentage moisture analysis, subject to sample size
- Reagent-free: Supports correlation with Karl Fischer methods without KF reagents or fragile glassware
- 25°C to 300°C: Controlled testing in 1°C temperature increments
- 2R to 30R vials: Accommodates a range of crimp-top sample vial sizes
The AMETEK Brookfield Computrac Vapor Pro XL is a programmable analyser designed for direct water measurement in industrial and laboratory samples. The sample is heated within a vial, while dry air or nitrogen carries the released vapour to a relative humidity sensor for measurement.
This moisture-specific approach helps distinguish water from other volatile components that may also be released during heating. This is important where conventional loss-on-drying methods could include non-water volatiles within the reported result.
For suitable samples and established methods, the Vapor Pro XL provides a reagent-free alternative to Karl Fischer titration. It can support correlation with existing KF results without requiring the routine handling of Karl Fischer reagents or fragile glassware.
The analyser is used for low-level moisture testing in plastics and polymers, pharmaceutical materials and excipients, chemicals, coatings, lubricants, petroleum products and battery materials. It is also applicable to moisture-sensitive additive-manufacturing materials and 3D-printing filament.
Programmable test conditions support repeatable method control across research, quality control and production-floor applications. This enables users to verify incoming materials, confirm drying processes and monitor stored materials where moisture content can affect processing, consistency or subsequent product performance.
Key Features
- Moisture-specific sensing: The heated-vial and carrier-gas system transports released vapour to an RH sensor, helping distinguish water from other volatile components that can influence loss-on-drying results.
- Karl Fischer method correlation: Supports method development and correlation against established KF results for suitable samples, without routine reagent handling or fragile titration glassware.
- Programmable method control: Store up to 250 test programmes with defined sample, temperature and endpoint parameters for consistent routine analysis.
- Advanced temperature profiling: Apply programmed temperature stages and adjustable test conditions when developing methods for complex or multi-phase materials.
- Flexible test endpoints: Select Prediction, Rate, Time or Time then Rate to balance analysis time and method requirements.
- Results and statistical review: Retain up to 1,000 results and 100 graphs, with mean, standard deviation and coefficient of variation calculations.
- Calibration and diagnostics: Use NIST-traceable capillary tubes, menu-driven calibration procedures and built-in monitoring of the sensor, flow system, hardware and software.
- Traceable data management: Audit logging, user access controls and USB or Ethernet connectivity support controlled workflows, with optional 21 CFR Part 11 configuration and Computrac Connect Web Server.
Specifications
| Measurement Performance | |
| Measurement Principle | Heated-vial evolved moisture measurement using dry carrier gas and a polymer-capacitor relative humidity sensor |
| Moisture Range | 10 ppm (10 µg | 0.001%) to 100%; lower limit depends on sample size and selected result units |
| Moisture Resolution | 1 ppm (0.1 µg | 0.0001%) |
| Accuracy | ±5% at 1,000 µg evolved moisture |
| Repeatability | Depends on sample properties; typical CV below 10% above 0.1% moisture and below 15% below 0.1% moisture |
| Result Units | Percentage moisture, ppm moisture or µg water |
| Sample Size | 0.01 g to 8 g, depending on the sample, method and vial capacity |
| Calibration Standard | NIST-traceable 1.0 µL capillary tubes |
| Temperature and Test Control | |
| Heating Range | 25°C to 300°C in 1°C increments |
| Heater Control | Temperature controlled to within 1°C of set point |
| Ending Criteria | Prediction, Rate, Time or Time then Rate |
| Test Programme Capacity | Up to 250 test programmes, including factory programmes |
| Sample Handling | |
| Vial Compatibility | Most crimp-top vial sizes from 2R to 30R |
| Carrier Gas | Dry nitrogen or dry air; -40°C dew point or lower suggested; 17 to 22 psi; user supplied |
| Data and Connectivity | |
| Results Memory | Last 1,000 test results and 100 test graphs |
| Statistical Tools | Mean, standard deviation and coefficient of variation |
| Display | 7-inch full-colour LCD touchscreen; 800 × 480 TFT |
| Connectivity | USB host, USB slave, serial port and Ethernet |
| Optional Remote Access | Computrac Connect Web Server |
| Physical and Electrical | |
| Dimensions | 172 mm H × 470 mm W × 279 mm D, including vial ramp |
| Weight | Approximately 8.0 kg |
| Power Requirements | 100 to 120 VAC, 50/60 Hz, 8 A maximum; 220 to 240 VAC, 50/60 Hz, 4 A maximum |
| Operating Environment | |
| Operating Conditions | 5°C to 40°C; 0% to 80% RH, non-condensing; indoor, non-hazardous use; optimum results from 20°C to 40°C |
| Compliance and Warranty | |
| Approvals and Marking | UL for the US and Canada; CE marking |
| ASTM D7191-18 | Determination of moisture in plastics by relative humidity sensor |
| ASTM D7546-15 | Determination of moisture in new and in-service lubricating oils and additives by relative humidity sensor |
| Optional Regulatory Configuration | 21 CFR Part 11-compliant configuration |
| Warranty | 2 years |
Scope of Delivery
- Computrac Vapor Pro XL instrument
- Power cord appropriate to supply region
- Tweezers
- 1.0 µL Microcaps, box of 100
- High-temperature metal caps, 10
- Thin septa, 50
- Vial testing assemblies, 20
- Inline desiccator kit with tubing
- Stylus
Support
Able Instruments is AMETEK Brookfield’s Exclusive UK and Ireland Partner and European Service Centre for Computrac analysers, providing application advice, method-development support and UK-based calibration and after-sales service for moisture analysis applications.
- Application guidance: Support confirming whether moisture-specific analysis is appropriate for the material, expected moisture level and existing quality-control method.
- Method development: Assistance defining sample size, test temperature and ending criteria, including correlation against established Karl Fischer methods where applicable.
- System configuration: Help selecting the appropriate gas supply, balance, data-management options, validation documentation and supporting accessories.
- Training support: Guidance on correct operation, test programme use, routine verification and instrument care for laboratory and production teams.
- Calibration and service: UK-based traceable calibration, maintenance and repair support through Able’s European Computrac Service Centre.
Other Moisture Analysis Options
Accessories
Accessories and consumables are supplied separately. Typical Vapor Pro XL items include: