Pressure Measurement Bench | ThermoFlux – 7015
The Pressure Measurement Bench ThermoFlux – 7015 is a freestanding laboratory unit combining a five-instrument manometer panel with an integrated Dead Weight Pressure Calibrator for comprehensive pressure measurement and calibration training. This Pressure Measurement Bench covers U-tube, inclined tube, and Bourdon tube manometry alongside digital pressure transmission (0–4 bar), with gauge pressure and vacuum measurement capability. The dead weight calibrator (piston area 254 × 10⁻⁶ m², ancillary masses up to 4 × 1 kg) produces traceable, reproducible calibration pressures transferred hydraulically to the gauge under test. Optional ThermoFlux – 7015 LabVIEW-based DAQ software with electronic sensors is available for Windows-based automated data acquisition.
The ThermoFlux – 7015 Pressure Measurement Bench provides a structured platform for studying pressure and vacuum measurement across a range of instrument types. The manometer panel integrates two tube manometers (U-tube and inclined tube), two dial manometers (positive and negative range Bourdon tube), and one digital pressure transmitter with display, allowing direct comparison of measurement methods under identical test conditions.
Test pressures in the millibar range are generated using the supplied plastic syringe or hand pump. All manometers can be interconnected via flexible connecting hoses, enabling gauge pressure and vacuum measurement configurations. The bench also serves as a calibration training tool: deviations between a measuring instrument and a reference standard are identified, recorded, and corrected.
The integrated Dead Weight Pressure Calibrator provides an introduction to manometer calibration fundamentals. It consists of a precision-machined piston and cylinder assembly mounted on levelling screws. Known dead weights are loaded onto the piston rod, which is rotated during operation to minimise friction. The ratio of applied force to piston cross-sectional area produces a defined, traceable test pressure transferred hydraulically to a Bourdon tube gauge. An error curve is drawn by comparing gauge readings against known applied pressures. Both dial and Bourdon tube manometers can be calibrated using this dead-weight piston method.
Pressure Measurement Bench ThermoFlux – 7015, Technical Specifications
| Parameter | Detail |
|---|---|
| Product Name | Pressure Measurement Bench |
| Model | ThermoFlux – 7015 |
| Type | Freestanding manometer panel with dead weight calibrator |
| Bourdon Tube Manometer (positive) | 0 to 100 mbar |
| Bourdon Tube Manometer (vacuum) | –100 to 0 mbar |
| U-Tube Manometer | 0 to 500 mm WC |
| Inclined Tube Manometer | 0 to 500 mm WC |
| Digital Pressure Transmitter | 0 to 4 bar, with display |
| Test Pressure Generation | Plastic syringe and/or hand pump (millibar range) |
| Dead Weight Tester Diameter | 6 inch / 150 mm |
| Bourdon Tube Pressure Range (Dead Weight Tester) | 0 to 4 kg/cm², transparent construction |
| Piston Cross-Sectional Area | 254 × 10⁻⁶ m² |
| Mass of Piston | 0.5 kg |
| Ancillary Masses | 1 × 0.2 kg, 2 × 0.5 kg, 4 × 1 kg |
| Hydraulic Medium | Hydraulic oil |
| Software (Optional) | ThermoFlux – 7015 DAQ software, LabVIEW-based, Windows compatible |
Technical Data
Manometer Panel, Instruments
| Instrument | Range |
|---|---|
| Bourdon Tube Manometer (gauge pressure) | 0 to 100 mbar |
| Bourdon Tube Manometer (vacuum) | –100 to 0 mbar |
| U-Tube Manometer | 0 to 500 mm WC |
| Inclined Tube Manometer | 0 to 500 mm WC |
| Digital Pressure Transmitter with Display | 0 to 4 bar |
Dead Weight Pressure Calibrator
| Parameter | Value |
|---|---|
| Tester Diameter | 6 inch / 150 mm |
| Bourdon Tube Pressure Range | 0 to 4 kg/cm² (transparent construction) |
| Piston Cross-Sectional Area | 254 × 10⁻⁶ m² |
| Mass of Piston | 0.5 kg |
| Ancillary Masses | 1 × 0.2 kg, 2 × 0.5 kg, 4 × 1 kg |
| Hydraulic Medium | Hydraulic oil |
| Levelling | Adjustable levelling screws |
Key Features
- Complete Pressure Measurement Bench: Integrates five instrument types, U-tube, inclined tube, two Bourdon tube dial manometers, and a digital pressure transmitter, on a single panel
- Gauge pressure and vacuum measurement: Bourdon tube ranges of 0 to 100 mbar (positive) and –100 to 0 mbar (vacuum) on the same panel
- U-tube manometer: 0 to 500 mm WC range for direct liquid-column pressure reading
- Inclined tube manometer: 0 to 500 mm WC range for enhanced resolution at low differential pressures
- Digital pressure transmitter: 0 to 4 bar range with integrated display for electronic reference measurement
- Flexible interconnection: All manometers can be combined using connecting hoses for cross-comparison
- Test pressure generation: Supplied plastic syringe and/or hand pump generates pressures in the millibar range
- Dead Weight Pressure Calibrator: Precision-machined piston and cylinder assembly (254 × 10⁻⁶ m² piston area, 0.5 kg piston mass) for traceable calibration of Bourdon tube and dial manometers
- Defined calibration pressures: Ancillary masses (1 × 0.2 kg, 2 × 0.5 kg, 4 × 1 kg) produce reproducible test pressures via force/area ratio
- Transparent Bourdon gauge construction: Allows direct observation of internal Bourdon tube mechanism during calibration (0 to 4 kg/cm²)
- Error curve generation: Piston rotation minimises friction; gauge readings compared against known pressures to plot instrument error curves
- Optional DAQ software: ThermoFlux – 7015 LabVIEW-based software for automated data acquisition; Windows compatible
Experiments
- Familiarisation with different pressure measurement methods
- Function of a Bourdon tube manometer
- Pressure measurement with U-tube and Bourdon tube manometers
- Calibration of mechanical manometers
Construction and Design
The Pressure Measurement Bench ThermoFlux – 7015 is constructed as a freestanding panel unit housing all manometric instruments, connecting infrastructure, and calibration equipment in a single assembly. The manometer panel mounts two tube-type manometers (U-tube and inclined tube, both 0–500 mm WC), two dial-type Bourdon tube manometers (0–100 mbar and –100–0 mbar), and a digital pressure transmitter (0–4 bar) with integrated display. All instruments are interconnectable via flexible hoses, enabling simultaneous multi-instrument comparison under identical applied test pressures. The plastic syringe and hand pump interface directly with the hose network to generate millibar-range test pressures without auxiliary equipment.
The Dead Weight Pressure Calibrator section of this Pressure Measurement Bench comprises a precision-machined piston and cylinder assembly mounted on levelling screws to ensure vertical alignment during operation. Hydraulic oil transfers the force applied by the weighted piston (piston area: 254 × 10⁻⁶ m²; piston mass: 0.5 kg) to the Bourdon tube pressure gauge under test. The piston rod is rotated during loading to eliminate static friction effects and ensure pressure accuracy. The supplied ancillary masses (1 × 0.2 kg, 2 × 0.5 kg, 4 × 1 kg) allow stepped calibration across the gauge’s working range. The calibration Bourdon gauge features transparent construction for internal mechanism observation. The optional LabVIEW-based DAQ software integrates with an electronic sensor set for automated measurement and result calculation under Windows environments.
Software
ThermoFlux – 7015 DAQ Software (Optional)
- Developed in National Instruments™ LabVIEW™ environment
- Measures and calculates experimental results from the apparatus
- Compatible with all Windows™ operating systems
- When the software option is selected, a set of electronic sensors is included
Scope of Delivery
- 1 × Experimental unit
- 1 × Instruction manual
Q1. What pressure measurement instruments are included on the manometer panel?
The panel includes a U-tube manometer (0–500 mm WC), an inclined tube manometer (0–500 mm WC), a positive-range Bourdon tube dial manometer (0–100 mbar), a vacuum-range Bourdon tube dial manometer (–100–0 mbar), and a digital pressure transmitter with display (0–4 bar).
Q2. How are test pressures generated on the ThermoFlux – 7015 Pressure Measurement Bench?
Test pressures in the millibar range are generated using the supplied plastic syringe and/or hand pump, which connect to the manometer panel via flexible hoses.
Q3. What is the purpose of the Dead Weight Pressure Calibrator?
The Dead Weight Pressure Calibrator generates a precisely defined, reproducible test pressure by loading the piston with known masses. The pressure (force ÷ piston area) is applied hydraulically to the gauge under calibration, allowing its readings to be verified and an error curve to be drawn.
Q4. What ancillary masses are supplied with the Dead Weight Pressure Calibrator?
The following masses are supplied: 1 × 0.2 kg, 2 × 0.5 kg, and 4 × 1 kg, in addition to the 0.5 kg piston mass.
Q5. Can the Pressure Measurement Bench be used without the optional DAQ software?
Yes. All four experiments can be performed manually using the panel instruments, syringe, hand pump, and dead weight calibrator. The ThermoFlux – 7015 DAQ software is an optional add-on for computerised data acquisition.
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