INDUSTRIAL PRODUCTS FROM QUEENSLAND’S AUTHORISED RHOMBERG INSTRUMENTATION & CRYSTAL ENGINEERING DEALER
RHOMBERG INSTRUMENTATION
Key Factors for Gauge Selection
Many factors should be evaluated including temperature, vibration, process conditions, pulsation and corrosion, but by carefully considering the 7 key factors outlined below, the chances of correct selection will increase significantly.
Process Medium
The process medium to which the gauge will be exposed is especially important when using a thin walled Bourdon tube because, if the wrong materials are selected, corrosion may occur which could lead to catastrophic failure. Materials which display the essential combination of properties (good spring memory, easy to form, easy to join, reasonably priced) are phosphor bronze, 316 stainless steel and Monel. Where these materials can’t satisfy the application, a diaphragm seal (gauge isolator) can be added to prevent the process media from contacting the Bourdon tube. This protects the gauge from corrosion attack, and also prevents viscous or dirty media from clogging the small bore Bourdon tube. The only limitation in using a diaphragm seal is that it typically degrades the accuracy of the pressure gauge by an additional 0,5 % of the full scale deviation. Pressure Gauge Range
It is important to select a pressure range which accommodates all anticipated pressure swings, and which prevents excessive needle movement. It is recommended to confine normal operating pressure to 25 % – 75 % of scale. With fluctuating pressures (e.g. pulsation caused by a pump or compressor), the maximum operating pressure should b
elower (50 % of the full range). Gauges in severe service should be liquid filled and throttle
dto reduce Bourdon tube stresses. To minimize sensing element stress and to extend the life of the gauge use internal throttle screws, pulsation dampeners, pressure snubbers, gauge savers or diaphragm seals.
QUICK LINKS TO OUR RANGE OF CRYSTAL PRODUCTS
CRYSTAL ENGINEERING
Crystal also offers CPF fittings: a patented line of calibration and test medium pressure fittings, equipped with a self-venting weep and replaceable O-ring that allows leak-free up to 10000 psi with only finger-tightening.
Pressure calibration involves delicate and careful measurements with manometers or deadweight testers. This was never practical or reliable due to environmental factors and changes.
Crystal Engineering was founded and used the combination of two emerging technologies based on silicon: large-scale integrated circuits (LSI) and MEMS (micro-electromechanical systems) pressure sensors. This enabled Crystal to design and develop digital pressure calibrators and gauges that are portable and easy to use but with better accuracy and reliability for field use.
LSI allowed low-cost analog to digital conversion and low power (i.e., battery) operation, while the silicon sensors offered incredible repeatability at very competitive costs.
Crystal core technology is based on MEMS (micro-electromechanical systems) pressure transducers. The silicon in silicon pressure sensors is a crystalline structure (hence our name: Crystal Engineering). Unlike metal, crystalline structures have virtually unmeasurable hysteresis and are manufactured using methods similar to semiconductors, with the addition of micro-machining to fabricate the sensing diaphragm. These silicon-based sensors are highly repeatable but sensitive to temperature and somewhat non-linear.
Combining the silicone pressure sensors with digital signal processing techniques, the result is very accurate pressure measuring equipment that’s linear and not affected by temperature.
Crystal products are very accurate. Our specifications are in “% of reading” (just like most digital multimeters and deadweight testers) instead of a “% of full scale”. This means that any of our digital pressure gauges or pressure calibrators can replace several ordinary mechanical or competitive calibrators. Saving you time and money in maintaining equipment.
OUR RANGE OF CRYSTAL ENGINEERING PRODUCTS
CRYSTAL LATEST RELEASE
Pump Systems
Here is what you need to know about our new Pump Systems:
- 14 Systems Available
- Choose an aluminium or waterproof case - Not all systems are available.
- Choose the pump full of fluid and ready to use or drained - If ordered in the aluminium case, the pump can be filled with fluid, and the reference gauge can be installed. Alternatively, you can order the pump drained of fluid and the reference disconnected.
- Additional pump options are available through the systems - For example, the T-960 hand pump (0 to 30 psi) is included in System A but not available as a standalone pump. The T-975-CPF, T-620H-CPF, P-018-CPF, T-1-CPF, and GaugeCalHP are the only pumps that can be ordered separately from the systems.
- All systems include ¼” CPF female NPT and BSP fittings - Some systems have additional fittings, and all hand pump systems include a CPF hose.
Crystal Hanging Strap
Keep your nVision safe!
You can now free up your hands by hanging your gauge while you work. The new strap kit (part # 5203) connects to the Velcro straps included with the XP2i, M1, or 30 Series. The nVision strap kit (part # 5177) uses the same strap, but requires an additional bracket to be installed on the back of the nVision.
The strap kit can hold up to 2.7kg, allowing you to hang any of our products installed on either of our hand pumps.
NVISION
NVISION - REFERENCE PRESSURE RECORDER
Accurate enough to replace a deadweight tester
Rugged enough to sit in 3 feet of water
Portable enough to complete calibrations anywhere
- Gauge / Absolute Pressure Datalogger to
- 15 000 psi / 1000 bar / 100MPa
- Differential pressure with up to 0.025% of reading accuracy
- Switch, Voltage, Current, and Temperature
- 500 000 data points - 10 readings per second from 2 modules
- Uses our new CPF hose and fitting system for fast leak-free connections
- Displays live data graphically - no PC required
- Connects to a PC to view live readings or export to tamper-proof digital records
- Compensates accuracy for temperature effects from -20 to 50°C
- Includes a calibration certificate with test data at five different temperatures from an A2LA-accredited laboratory
XP2I CRYSTAL DIGITAL TEST GAUGE
NEW 3RD GENERATION XP2I
One Year Recording! One Set of Batteries!
Our most popular gauge is now even better. We added 32 000 recordable data points and a battery-optimising Ultra-Low Power Mode that lets you record for one full year on a single set of AA batteries.
This rugged digital test gauge is rated Intrinsically Safe, submersible in 3 feet of water, and drop-tested from 6 feet – all while offering consistent, temperature-compensated 0.1% reading accuracy up to 10 000 psi.
Manufacturer: Crystal Engineering
Features:
- Accuracy of 0.1% of reading (20% to 100% of scale)
- Compensated for use with media between -10°C and +50°C
- IP67-rated, nickel-plated aluminium housing
- Accepts gases and fluids compatible with stainless steel
- Large, backlit LCD
- Includes a 100-point trial version of the DataLoggerXP firmware upgrade
- Configurable for torque, force, level or any user-defined increments
- Captures open and repeat values for safety valve (PSV) testing
- Ultra-low power mode provides over one year of continuous use
- RS-232 interface for configuration, data acquisition and logging
Models:
- Ranges from 15psi / 1bar to 15,000psi / 1000bar
- Absolute pressure ranges of 2,000psi / 140bar and above
Options:
- Interchangeable adapter (1/4 inch NPT or BSPP)
- DataLoggerXP data logging firmware upgrade and software
- Skydrol-compatible protective rubber boot
- Dual-line display for peak, average or leak rate testing
- AC power adapter for continuous use
- Rear pressure fitting and flange adapters for panel mounting
Accessories available:
Digital Pressure Gauge Protective Boot - 2nd/3rd Generation Gauge (No Black Gasket around Gauge)
A Skydrol-compatible elastomeric boot to increase shock resistance.
Hard Carrying Case (egg crate foam)
Universal AC Power Supply
Includes a set of plugs permitting use worldwide. In the event of a power failure, an XP2i powered by the AC power supply will automatically switch to its internal batteries.
DATALOGGERXP
There is no more straightforward, intrinsically safe pressure recording system!
The DataLoggerXP software*, in tandem with the XP2i digital pressure gauge with a purchased DataLoggerXP firmware upgrade, forms an integrated data-logging solution by collecting, saving and transferring data to a Microsoft Excel spreadsheet. With the XP2i's long battery life, you can record up to 32 000 pressure measurements over an entire year without needing external power supplies or battery replacements. Since the XP2i can measure vacuum, you can capture pressure to vacuum transitions and much more.
M1
M1 DIGITAL PRESSURE GAUGE
The M1 digital pressure gauge maintains 0.2% reading accuracy from -10Ëš to 50ËšC. Accuracy is not affected by dropping, overpressure, vibration, temperature, or rapid pressure change. Available as a 30 psi digital pressure manometer.
One wide-range M1 digital pressure gauge replaces up to five 0.25% mechanical gauges with 0.2% of reading accuracy.
- 2-Year recommended calibration interval
- Battery life up to 3 years of continuous use
- Bright backlit display
- Easy to read extra large numbers
- Protective boot included
- Shifts everyday wear to replaceable CPF adapter
30 SERIES
Calibration toolbox in the palm of your hand!
The 30 Series is a wide-range pressure calibrator that fits easily into your shirt pocket. Its internal sensors give you 0.05% reading accuracy and resist damage from overpressure.
- Wide pressure range can measure vacuum and pressure up to 5000 PSI (300 bar)
- Indicates milliamps to calibrate transmitters
- Ultra-compact and light
- Very easy to learn and use
- Battery operated
- Brings laboratory accuracy to outdoor field conditions
Applications:
*Not recommended for oxygen service.
- Deadweight tester replacement
- Flow computer calibration
- Gauge calibration
- Pressure regulator adjustment
- Pressure transmitter calibration
CRYSTAL HPC40 SERIES CALIBRATOR
HPC40 Series Pressure Calibrator
The HPC40 Series is the world's first combined pressure and mA loop calibrator to fully temperature compensate from -20 to 50° C. You can count on the same accuracy, whether measuring pressure, current, voltage, or temperature.
- 0.035% of Reading Accuracy
- Gauge, Absolute, and Differential Pressure to 15,000 psi / 1000 bar / 100 MPa
- Advanced Simplicity "Non-Menu" Interface
- Measure & Source mA with External Loop Power or Internal 24 VDC Power Supply
- High Accuracy Thermometer with "True Ohm" Technology
- Store & Recall Previously Used Screens
- Flexible Power Options, Including Rechargeable
Combine the HPC40 series with any of our ready-to-use AMETEK pump systems to provide a complete calibration kit.
ASC 400
ASC 400 Calibrator
Multi-Function Process Calibrator reads and sources RTD, TC, Current, Voltage, Frequency, and Resistance with Pulse train output. Combine with APM CPF Series pressure modules or a dry-block calibrator to calibrate pressure and temperature.
- New large full-colour display with an easy-to-use interface
- Input and output RTD, TC, Current, Voltage, Frequency, Pulse, and Resistance
- Simultaneous read-back and fast RTD simulation
- Combine with APM to calibrate pressure and JOFRA dry-blocks to calibrate temperature
- Connect an RTD to use as a high-accuracy thermometer
CRYSTAL FITTINGS
Always Seals, Always Safe
Leak-Free up to 10000 PSI/700 bar/70 MPa
- Purpose-designed for testing & calibration
- Self-venting weep hole assures a safe disconnection from a pressurised system
- Two seals: Use fingers for an o-ring seal or use a wrench for a metal-to-metal cone seal (good to -40°C)
- Laser marked: Thread type, size, and MAWP
- Interchangeable (wrench tight) with HIP** and Autoclave Engineers* medium pressure (1/4") series fittings and adapters.
* Autoclave Engineers is a division of Parker Hannifin Corp.
** HIP is a High-Pressure Equipment Company.
GAUGECAL HP
TCalibration lab in a box!
This portable gauge and transmitter calibration system is 7 to 10 times faster than a deadweight tester. It allows you to do a 10 point up and down calibration in less than 3 minutes including printing out a calibration certificate.
• Gauge / Chart recorder / Transmitter calibration system
• 7 to 10 times faster than a deadweight tester
• Reduce transcription / calculation errors
• 0.1% of reading accuracy up to 15 000 psi (1000 bar) when using the XP2i as the reference or 0.05% of reading accuracy up to 5000 psi (300 bar) when using the 30 Series as the reference
• Easy to use and install, wizards guide you through setup
• Includes a weather-proof rolling case that can be used as a portable bench
FASTCAL XP
This portable gauge and transmitter calibration system is 7 to 10 times faster than a deadweight tester. It allows you to make a 10-point up and down calibration in less than 3 minutes, including printing a calibration certificate.
- Gauge/chart recorder/transmitter calibration system
- 7 to 10 times faster than a dead weight tester
- Reduces transcription/calculation errors
- 0.1% of reading accuracy up to 10000 PSI (700 bar) when using the XP2i as the reference or 0.05% of reading accuracy up to 5000 PSI (300 bar) when using the 30 Series as the reference
- Easy to use and install, wizards guide you through the setup
- Includes a weather-proof rolling case that can be used as a portable bench
- Weighs just 35 lbs/16 kg
Applications:
- Gauge calibration system
- Transmitter calibration system (using the GaugeCalXP without fluid is ideal for calibrating differential pressure transmitters)
- Chart recorder calibration system
FastCalXP Software is compatible with Windows XP (SP 2 or 3), Windows VISTA (SP 1 or 2), and Windows 7. Excel (or Office) 2003 SP3 or higher is required to print calibration certificates.
Creates any style of calibration report using Excel and reminds you when the subsequent calibrations are due, saving time and eliminating data errors.
NPT Fitting Kit – 4016
Includes: 1/8 NPT [Male (2), Male Quick Test, and Female Quick Test], 1/4 NPT [Male (2), Female, Male Quick Test, and Female Quick Test], 1/2 NPT [Female Quick Test], Tube [1/4 Male and 3/8 Male], Transmitter [5/16 Male], CPF Connectors [Male-Male, Plug, and Cap (2)], Hose [1 meter], and Custom Carrying Case.
BSP Fitting Kit – 5634
Includes: 1/8 BSP [Female, Male, and Female Quick Test], 1/4 BSP [Female, Male, and Female Quick Test (2)], 3/8 BSP [Female, Male, and Female Quick Test], 1/2 BSP [Female, Male, and Female Quick Test], Transmitter [5/16 Male], CPF Connectors [Male-Male, Plug, and Cap (2)], Hose [1 meter], and Custom Carrying Case.
CALIBRATION KITS
Everything You Need for Fast Field Calibrations.
Pump Systems offers the most convenient and compact solutions for carrying everything you need for field pressure calibration work. Systems include the gauge and pump of your choice, CPF fittings, a custom carrying case, a CD with manual, and a NIST traceable, ISO 17025 calibration certificate.
- Pneumatic and hydraulic options from vacuum to 15 000 psi
- Benchtop and hand-held pumps
- Choose from an aluminium case or a waterproof plastic case
- Pumps ship ready to use with fluid, or drained
- Case includes custom, rigid foam insert
- Eliminate / Bleed air through the CPF weep hole
- Universal Kit includes two pumps to cover -25 inHg to 5000 psi
CALIBRATION INSTRUMENTS
NITROGEN CALIBRATION SOURCES WITH GAUGE CONNECTION
Self-contained nitrogen source includes all connections and hoses to connect directly to a pressure gauge or calibrator
- A proprietary pressure-balanced fine adjustment piston allows for precise fingertip control of pressure at 0.03 psi (2 mbar) or 3000 psi (210 bar), or any range in between.
- An easily refillable nitrogen cylinder holds enough gas for multiple calibrations
- Nylon bag to hold hose and fittings attached to the inside of the lid
- Includes storage compartment in the control panel for pressure reference test gauge
- Low volume Quick-test hose, gauge adapter and process connection can be attached to NPAK without thread sealant or a wrench
- Designed to meet US Department of Transportation (DOT) and Canadian Transport Canada (TC) standards
- CE Approved for use in European Union - Designed to meet Pressure Equipment Directive (PED) and Transportable Pressure Equipment (TPED) standards
- Made in the USA
WHY WAIT ANY LONGER? REQUEST A FREE QUOTE OR CALL TO PLACE AN ORDER
QUICK LINKS
CONTACT INFORMATION
Tel: (07) 3801 1232
Email: info@ableinstrument.com.au
Address: Unit 6, 10-12 Babdoyle St, Loganholme QLD 4129
- Mon - Thu
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- Friday
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- Sat - Sun
- Closed
ABN: 99 054 764 742
Direct Deposit
OUR LOCATION