Variable Reluctance Laboratory Pressure Transducer
Validyne Model DP115

Variable Reluctance Laboratory Pressure Transducer

Description
Applications
Specifications
Diaphragm Ranges
Theory of Operation
Installation & Operating Instructions
Troubleshooting Guide

Variable Reluctance Laboratory Pressure Transducer Description:

The DP15 Variable Reluctance Laboratory Pressure Transducer is a general purpose differential pressure transducer that features field replaceable sensing diaphragms so that the full scale may be changed anywhere between +/-0.08 psid and +/-3200 psid. The DP15 Variable Reluctance Laboratory Pressure Transducer is the most cost-effective way to make pressure measurements in the laboratory where pressure measurement requirements are constantly changing: the DP15 Variable Reluctance Laboratory Pressure Transducer has 23 different diaphragm ranges available. When used with a Validyne carrier demodulator, the DP15 Variable Reluctance Laboratory Pressure Transducer can produce a +/-10 Vdc analog output proportional to the full scale pressure range. The rugged construction of the DP15 makes it highly resistant to shock and vibration. Because the diaphragm is the only moving part, the frequency response of the DP15 Variable Reluctance Laboratory Pressure Transducer to pressure pulsation's is exceptionally high.

The DP15 Variable Reluctance Laboratory Pressure Transducer will accept liquids and gases on both sides, and is constructed of 410 stainless steel. In addition, nickel and gold platings is available for aggressively oxidizing media. The O-ring seals are available in a variety of compounds. Bleed screws in each cavity facilitate liquid filling for dynamic pressure measurements.

Variable Reluctance Laboratory Pressure Transducer Applications:

• Laboratory Pressure Measurement

• Air & Liquid Flow

• Fluid Level

• Pressure Transient Studies

Variable Reluctance Laboratory Pressure Transducer Specifications:

Ranges: +/-0.08 to +/-3200 psid
Accuracy: +/-0.25% FS include non-linearity, hysteresis, and non-repeatability
Overpressure: 200% FS , to 4Kpsi
Line Pressure: 3200 psig
Output: +/-35 mV/V, nominal
Inductance: 20 mH, each coil
Zero Balance: Within +/-5 mV/V
Excitation: 5Vrms, 3KHz to 5khz
Pressure Media: Liquids and Gases compatible with 410 SST
Temperature Range: 0ºF to 165ºF, standard, -65ºF to +250ºF, extended
Temp Effect on Zero: 1% FS/100ºF, typical
Temp Effect on Span: 2%/100ºF, typical
Pressure Connection: 1/8 inch female NPT
Electrical Connection: PT02A-10-6P Bendix or equal

Diaphragm Range Code Chart - DP15

Available Ranges -20 to -64