Price: From $399.00 to $996.00
Compact, variable pressure/Vacuum pump for low pressure (0-100 psig) applications. Dependable and affordable.
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Price: From $999.00 to $2,799.00
10,000 psig without breaking a sweat! Forget pumps that over promise and under perform. This does what it advertises! Less costly than competitors products and more qualified by performance, couple this with an accurate digital standard for results!
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Price: From $699.00 to $2,349.00
Compact, rugged and easy to use, this pump offers users an affordable pressure source to 600 psig and vacuum to -28"Hg. Combine with an accurate digital pressure/vacuum gauge and you have a low cost, yet highly accurate field standard.
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Price: From $336.30 to $710.00
An outstanding solution for performing vacuum calibration in the laboratory or in the field where the pressure reference is attached to the pump with integral test gauge adapter. Not for use in Oxygen systems.
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Price: From $460.00 to $821.00
Ideal solution for either differential pressure or vacuum calibration using precision test gauge or pressure calibrator as the pressure reference. Not for use in Oxygen systems.
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Price: From $343.50 to $728.00
Quick and efficient pneumatic field testing or pressure transmitters, gauges or switches is aided by an integral gauge adapter or for use with an external calibrator as the reference. Not for use in Oxygen systems.
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Price: From $336.50 to $700.00
Economical solution for calibration of low pressure differential transmitters. Simple direct-acting pump action with fine adjustment piston makes an easy and precise pressure setting. Not for use in Oxygen systems.
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Price: From $1,375.00 to $3,499.00
Finally a solution to generating very low fractional inches of water column pressure, positive or negative! Combine with an accurate low pressure gauge standard and you have a viable, low cost alternative to costly comparison standards.
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Price: From $438.00 to $790.00
Lightweight, high pressure source that can use oil or water as the test fluid.
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Price: From $415.14 to $524.28
The pneumatic hand pump is designed for a simple to use pressure and vacuum source for calibrating process control instrumentation.
Vacuum to 100 psi.
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Price: From $595.00 to $957.00
An outstanding solution for taking gas samples in the field for analysis in the lab. The SP0V gas sampling pump can pull low pressure gas from a well and boost it to 25 psi to pump it into a sample cylinder.
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Price: From $835.38 to $1,150.56
The hand pump provides a hydraulic pressure source from 0 to 10,000 psi. It includes a precision vernier for fine adjust. Use with Martel's Beta-Gauge PIR series reference gauges for a high accuracy, NIST traceble field standard.
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Price: From $625.26 to $734.40
The pressure hand pump is a compact, lightweight, portable hand-operated pressure and vacuum pump. Vacuum to 600 psi.
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Price: From $956.76 to $2,251.14
The BetaGauge PI PRO pressure calibration gauge takes the concept of an analog Test Gauge, and brings it to a new level, as only MARTEL can do. The calibration gauge combines the accuracy of digital technology with the simplicity of an analog gauge.
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Price: From $6,704.00 to $10,271.00
This portable gauge and transmitter calibration system is 7 to 10 times faster than a dead weight tester. It allows you to do a 10 point up and down calibration in less than 3 minutes including printing out a calibration certificate.
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Fast, portable, easy - generate pressure up to 15 000 psi
The GaugeCalHP is a portable, self contained, hydraulic pressure generator for calibrating pressure gauges, transmitters, sensors, and safety valves.
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Price: From $3,031.44 to $3,394.56
Source / read 4-20mA, read external RTD, 24 Vdc transmitter excitation, 250 ohm Hart resistor, 8 AA battery power or charger pack, built-in electric pump to generate pressure and vacuum. Internal sensor ranges available in 30 psig, 150 psig and 300 psig.
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The T-1-CPF is a high volume hydraulic comparator capable of producing pressure up to 15 000 psi. This unit is ideal for testing and calibrating pressure gauges, relief valves, and pressure switches.
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The Additel ADT 901A Low Pressure Test Pump is a hand operated pressure pump designed to generate pressures from -6 psi (-0.4 bar) to 6 psi (0.4 bar). A high-quality screw press is designed for fine pressure adjustment.
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Field Serviceable Valve Assembly for positive and negative pressure
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The Additel ADT 916 Pressure Test Pump is a hand operated pressure pump designed to generate pressure from -14psi (-0.95bar) to 600psi (40bar). A high-quality screw press is designed for fine pressure adjustment, with an adjustment resolution up to 10 Pa.
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The 918 Pneumatic Pressure Test Pump is a hand operated pressure pump designed to generate pressure from 95% vacuum to 1,500psi (100bar). A high-quality screw press is designed for fine pressure adjustment, with an adjustment resolution up to 10 Pa.
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The Additel ADT 919 High Pressure Test Pump is a hand operated pressure pump designed to generate pressure from -14psi (-0.95bar) to 2000psi (140bar). With a long lever, it just takes 30 seconds to reach 2000 psi (140 bar).
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The ADT 925 Hydraulic Pressure Test Pump is a hand operated pressure pump designed to generate pressure from -12.5psi to 6000psi. With the patented screw press technology, the high pressure can be easily generated, increased and decreased.
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The Additel ADT 927 High Pressure Test Pump is a hand operated hydraulic pressure pump designed to generate pressure from -12.5psi to 10,000 psi. With the patented screw press technology, high pressures can be easily generated, increased and decreased.
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The ADT 936 Hydraulic High Pressure Test Pump is specially designed for calibrating all instruments with measuring ranges of -12.5psi (-0.85bar) to 15,000 psi (1000 bar). The media is oil. If you need an oil free comparator in this range, see # 938.
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The 936 Hydraulic High Pressure Test Pump is a hand operated pressure pump designed to generate pressure from 85% vacuum to 15,000 psi. With the patented screw press technology, high pressures can be easily generated, as well as increased and decreased.
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The Additel ADT 949 High Pressure Pump is a hand operated hydraulic pressure pump designed to generate pressure up to 37,500 psi (2500 bar). With the patented screw press technology, high pressures can be easily generated, increased and decreased smoothly
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Price: From $2,360.00 to $16,880.00
This pneumatic comparison test pump is designed for testing pressure measuring instruments against master test instruments.
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Price: From $4,075.00 to $8,780.00
This pneumatic comparison test pump is designed for testing pressure measuring instruments against master test instruments.
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