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3D Instruments manufactures the original direct drive pressure gauge in test gauge and process gauge accuracies. See our digital pressure gauge products including the new digital test gauge, our versatile Star digital pressure calibrator, low pressure gauge, precision test pressure gauge, hand held pressure generator, portable pressure calibration test kit, pressure volume controller and filled system temperature gauge along with other products and accessories.
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Sierra Precision has specialized in manufacturing OEM & SPECIALTY PRESSURE GAUGES in high volumes, to customer specification, and for a variety of applications since 1970.
DIRECT-DRIVE TECHNOLOGY
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Direct-Drive Technology provides the basis for long-lasting life and performance for any application. The single sensing element - Inconel X750 Bourdon tube - forms a simple, yet reliable foundation of durability, vibration resistance and pulsation dampening. The helically wound Bourdon tube eliminates the "moving part" weaknesses of standard "C-type" designs because there is only one working part and fewer moving parts translates into fewer problems. The absence of complex, wear-prone parts eliminates the need for regular re-calibration and linearity is built-in - no span adjustment is necessary - ever. Consequently, Direct-Drive gauges remain accurate and last longer than standard "C-tube" pressure gauges.
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LONG LIFE OVER PRESSURE PROTECTION
INCONEL X750 DIRECT DRIVE GAUGE COILS
LONG LIFE BURST PROTECTION
LONG LIFE WEAR PROTECTION
APPLICATION FLEXIBILITY
REDUCED COST
ACCU-DRIVE FEATURES
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Never need recalibration - Maintain accuracy throughout the life of the gauge |
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Carry a six-year warranty |
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Provide accuracy, reliability and durability |
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Withstand extremes in vibration, shock, temperature and other harsh environments |
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Provide longer, useful life to the user |
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Reduce overall cost to the user |
Standard Features:
Direct-drive technology
Solid front safety design
Vibration/pulsation dampening design
Nicro-brazed wetted joints
316 SS fitting
Aluminum dials
Clear polycarbonate lens
Chemical resistance
Weather resistant case
Adjustable pointers
Multiple installation options
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PARALLAX REDUCTION SYSTEM
| 3D Instruments, LLC has developed a two pronged approach to reduce parallax error in readings with 3D's PRS (Parallax Reduction System). |
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1. Highly polished mirror bands
2. Knife edge pointer
The combination of these features allows the reader of the pressure gauge to know the exact pressure reading - when the needle reflection disappears under the needle, the reader can be confident of the reading.
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PRECISION TEST GAUGES
The Best Precision Test Gauge For Your High Accuracy Requirements.
The 3D Precision Test Gauge is certified for industrial and laboratory pressure transfer measurement in the U.S. and worldwide.
Incorporating 3D Instruments' well known expertise in test gauge design and application, the Precision Test Gauge provides unsurpassed long term accuracy. The dial face design comes directly from 3D experience with the practical use of high resolution pressure calibration in the laboratory and the field.
Features:
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High accuracy 0.1% of span |
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Repeatability 0.02% of span |
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Hysteresis 0.1% of span (or less) |
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Inherent temperature compensation from: -25 degrees F (-32 degrees C) to +125 degrees F (+52 degrees C) |
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120% full scale pressure with no calibration shift |
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200% full scale pressure without damage |
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Corrosion resistant materials |
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Linear dials, span micro-adjust and zero reference adjust allow component replacement and simplify recalibration |
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Easy reading high resolution 3D dial in soft green and white with a mirror band to eliminate parallax error 5 year warranty |
DPG-6600 BATTERY-POWERED DIGITAL GAUGE
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Accuracy of ± 0.25% of Span |
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Temperature Compensated from 32° to 131° F |
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H316 SSTL Sensors |
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Intrinsically Safe (approval pending) |
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0.75" Large 4 Digit Digital Display with |
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Segment Bar Graph |
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8 Pressure Ranges from 0 to 50 PSI to 0 to 10,000 PSI |
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Damping Feature to Stabilize Readings |
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Hi/Lo Pressure Extremes |
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Amazing 5 year Battery Life! |
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Exclusive Field Changeable 3D Dyna-Mount Flange and Fitting |
FILLED SYSTEM THERMOMETERS
The 3D thermometer is superior to other systems because it provides an evenly graduated scale without the use of a multiplying mechanism or delicate geared segments, pionions or hair springs. This results in a most rugged instrument suitable for installations which, by necessity, have severe vibration and shock.
Because of its "gearless" mechanism, the 3D thermometer has the following advantages as compared with conventional type thermometers.
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1. Excellent stability.
2. Less trouble because of its simple mechanism.
3. More durability against vibration and shock.
4. Smoother movement of pointer action.
5. Better accuracy.
6. Greater sensitivity and faster response to changes in temperatures.
Features not offered by conventional thermometers:
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130% over temperature protection, standard. |
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Case Compensation, standard. |
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Capillaries are stainless steel armored, standard. |
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Accuracy is +/- 1-2% full scale, standard. |
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Helical coil sensing element has no mechanical movement to fail, standard. |
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Compatibility to any existing thermowell, standard. |
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1 Year Warranty. |
Optional Features:
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Up to two 5 amp micro switches per unit. |
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Resetable maximum temperature indicator. |
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Sliding union connections available on sensing bulb. |
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Remote or direct mount styles available. |
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Weather proof enclosures (NEMA4) |
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Explosion Proof Case & Switches (NEMA7, Class 1, Group C & D; Class II, Group E,F & G) |
STAR PRESSURE CALIBRATOR & STAR PRESSURE CALIBRATOR PLUS
The signal output from the integral pressure sensor is supplied to a 16 bit microprocessor for processing, filtering and control. This circuitry design provides for high accuracy of 0.05% full scale for pressure over the entire operating temperature range 0° - 50°C. Pressure sensors can be supplied from 2-1000 psig / 2 to 5000 psig.
The Star Pressure Calibrator leads the all new line-up of rugged, portable digital pressure calibrators from 3D Instruments. This multi-functional instrument incorporates state-of-the-art digital pressure and electrical measurement technologies.
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For your high pressure and corrosive media applications, 316SS isolated pressure sensors are available.
The Star Pressure Calibrator & Star Pressure calibrator Plus are both housed in a water resistant ABS case enveloped by a shock-resistant urethane enclosure protector. All controls including power, zero and engineering unit selection are made via a membrane keypad for reliable operation in the most adverse weather conditions. This unit is designed to comply with NEMA 4X or IP66 requirements.
The combination of high accuracy measurement technologies, robust design and a wide array of pressure ranges makes the Star Pressure Calibrator & Star Pressure calibrator Plus Systems the ideal choice to tackle your demanding pressure and electrical monitoring, test and calibration applications.
Features:
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High Accuracy |
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Temperature compensation |
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Versatility |
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Communications |
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Robust design |
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Safety - CE mark attained |
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Connectivity |
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AC/DC adaptor circuitry |
PORTABLE PRESSURE TEST KITS
The dependability, accuracy, and reliability of 3D Instruments test gauge and hand held pressure pump, combined with a rugged and handsome carrying case. A portable calibration kit with the strength to take "Life on the road". The "handy-cal" calibration kit provides both a pressure source and a calibration standard traceable to NIST in one convenient package.
Features:
Applications:
Remote field pressure calibrations for:
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Process pressure gauges |
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Transmitters and other process equipment requiring a stable 0.25% pressure calibration source |
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Setting pressure switches |
PRESSURE VOLUME CONTROLLER
VARIABLE VOLUME PRESSURE CONTROLLER MODELS: V-1R and V-2R
The 3D Variable Volume Pressure Controller is available for requirements of 0 1,000 psi and 0 - 6,000 psi in absolute or gauge pressure. It is a highly sensitive vernier controller with adjustment sensitivity of .0005 psi (.005 with Model V-2R).
Utilizing the principle of expansion or compression of gas by the displacement of a piston, the unit can generate up to 50 psi in a static system without requiring an outside pressure source.
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MICROMETER MODELS:
V-1RM AND V-2RM
The 3D Micrometer combines the Variable Volume Pressure Controller with a mechanical readout. It is designed to determine and establish exact volumetric changes in pneumatic systems required in pressure/volume and leak rate measurements.
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