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Intrinsically Safe Pressure Transmitters

Pressure Measurement

AST4400 pressure transmitters are manufactured to meet UL/cUL 913 Class I Division 1 Intrinsically Safe Groups C and D. Available in 316L, Inconel 718, and 17-4 PH stainless steel material, the AST4400 pressure transmitter can meet customer requirements for a variety of liquids and gases from 25 PSI (2bar) up to 10,000 PSI (700 bar). Pressures are now available up to 20,000 PSI in CSA rated versions.

AST4400 - Intrinsically Safe Pressure Sensor / Transmitter

Level Measurement

AST4500 / AST4510 - For submersible level sensors as low as 0-1 PSI (27.68 inches of water column), look no further than the AST4510. It features stainless steel and Hytrel wetted materials, low measurement ranges, and the best price to performance in the industry. The AST4500 is used for pressure ranges above 15 PSI. Both products can be used in liquids requiring intrinsically safe approvals when installed with an approved barrier.

AST4500/AST4510 - Submersible Pressure Transducer

AST4401 - For applications requiring intrinsically safe pressure measurement for Groups A and B, AST manufactures the AST4401. It matches the same performance and characteristics as the AST4400, yet meets Groups A and B certification with a supply voltage limited to a maximum of 15.5VDC.

AST4401 - Intrinsically Safe Pressure Transmitter Groups A, B, C, D

AST4520 - Certain liquids can have a viscous consistency in which traditional level sensors become clogged. AST4520 level sensors provide a flush diaphragm protected by a weighted cage, to continuously monitor level in applications such as wastewater, grease, and lubrication tanks.

AST4520 - Non-Clogging Level Sensors

AST44LP - For low pressure measurement in intrinsically safe areas, the AST44LP is a compact, low cost solution. Measuring from 1 PSI up to 15 PSI, the AST44LP is available in voltage and current output signals for complete flexibility. From external tank monitoring to low pressure gas systems, the AST44LP is an accurate sensor solution.

AST44LP - Intrinsically Safe Low Pressure Transmitter

AST4530 - The AST4530 submersible pressure transducer was developed for applications where stainless steel cannot survive. It is a cost effective alternative to ultrasonic and radar devices without the effects of foam, reflectivity, or response time delays. Available from pressures of 2.5 PSIG, the AST4530 is a CSA certified intrinsically safe pressure transducer when used with an approved barrier

AST4530 - PVDF Submersible Pressure Transducer

Pressure Transducers Pressure Sensor Applications Contact AST
Explosion-Proof Transmitters
HVAC Pressure Sensors
Hydraulic Pressure Sensors
Hydrogen Pressure Sensors
Liquid Level Sensors
Tank Level Sensors
Water Pressure Sensors
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Mount Olive, NJ 07828 USA
(973) 448-1901
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