Posted in | Pressure Sensors

Model 24A - Pressure Transmitter

The Viatran 24A pressure transducer is a highly adaptable silicon sensor with an output of 0-5 Vdc, and 3000-5000  psi (0.2 to 345 bar). It can be used efficiently in a host of industrial settings, because of the wide range of pressure measurements with a standard linearity measuring ±0.25% FSO or less. Additionally, even higher linearities of ±0.15% or ±0.10% FSO may be requested. Again, apart from the standard output signal range of 0-5 Vdc, other options are available.


The Viatran model 24A offers:

  • Flexibility for applications at low pressure
  • Excellent precision
  • Conformity with RoHS standards
  • Multiple options for linearity and output signal range
  • Constructed wholly of stainless steel
  • An optional circuit for calibration of the shunt

Representative Uses

The 24A is commonly used for applications such as:

  • Hydraulic devices
  • Pumps and compressors
  • Rolling mills
  • Die cast processes
  • Test stands for production or engines

Operating and Other Relevant Parameters

The following table shows relevant performance parameters:

. .
Full Scale Pressure Ranges 0-3 thru 5000 PSIG (PSIS FOR >500 PSI) (0.2 thru 345 bar)
0-15 thru 0-5000 PSIA (0-1.0 thru 0-345 bar)
0-15 PSIV (0-1.03 BarV)
Nonlinearity (Best Fit Straight Line) ≤±0.25% FSO
Hysteresis & Repeatability ≤±0.10% FSO
Full Scale Output (FSO) 5 Vdc at 70 °F (21 °C) ±1.0% FSO standard
Resolution Infinite
Long Term Stability ≤±0.3% FSO per 6 months
Compensated Temperature Range 70 °F to 170 °F (21 °C to 77 °C)
Process Media Temperature Range -40 °F to 250 °F (-40 °C to 121 °C)
Ambient Operating Temperature Range -40 °F to 185 °F (-40 °C to 85 °C)
Storage Temperature Limits -40 °F to 250 °F (-40 °C to 121 °C)
Temperature Effect on Zero ≤±2.0% FSO per 100 °F
Temperature Effect on Span ≤±2.0% FSO per 100 °F


Electrical parameters of the 24A are as follows:

. .
Supply Voltage 8 to 30 Vdc at 3.5 mA nominal, 5 mA max
(12 to 30 Vdc for 10 Vdc output option)
Power Supply Regulation ≤±0.01% FSO per volt change over the supply voltage range
Output Signal 0 - 5 Vdc standard (see options)
Zero Adjustment ±5% FSO min
Circuit Protection Input polarity may be reversed. Output may be short-circuited indefinitely Over voltage protection to 1000 volts according to EN61000-4-5
Insulation Resistance <5 nSec to case ground
Response Time <2 mSec to reach 90% of full scale
RFI / EMI Suppression CE EMC compliant per IEC EN 61326.
CE marked
Electrical Connection Bendix PT02E-10-6P, mates PT06E-10-6S (SR)
Pin Outs Pin A    + Power
Pin B    - Power
Pin C    + Signal
Pin D    - Signal
Pin E     No connection
Pin F     No connection
Shell      Ground


Mechanical properties are summarized below:

. .
Pressure Connection 1/4" - 18 NPT female
Proof Pressure ≤500 PSI (35 bar) 3 times range or 1,200 PSI (80 bar) max
>500 PSI (35 bar) 3 times range or 9,000 PSI (620 bar) max
Burst Pressure ≤500 PSI (35 bar) 5 times range or 2,400 PSI (170 bar) max
>500 PSI (35 bar) 5 times range or 10,000 PSI (700 bar) max
Pressure Cavity Volume ≤500 PSI (35 bar) 1.5 ml
>500 PSI (35 bar) 1.5 ml
Mounting May be supported by process piping


The 24A is constructed from the following materials:

. .
Wetted Parts 316 Stainless Steel
Housing 304L SS
Weight 10 oz (283 g)
Identification Pressure sensitive label


The available options for Model 24A are shown in the following table:

. .
BF (K)PTIH-10-6P
BG DIN 43650
BL WK6-32S
BQ (K)PT02H-10-6P
BR CF3102E-14S-6P
DA Isolated shunt
DC Extended temperature operation:
-40 °F to 170 °F (-40 °C to 77 °C)]
DG Improved temp performance to 0.005% FSO per 1 °F
DH Special ranging
DK Special shunt calibration setting
DM Modified full scale output
DN Improved non-linearity
DQ Cleaning for oxygen service
EA Special calibration run
ED Extra improved linearity (±0.10% FSO)
EH Extended Hot temperature operation (70 °F to 185 °F)
LR Permanent Laser Mark
LV Externally powered,Optically Isolated Shunt Cal
NH Customer specified identification
PW 1/8 DIN digital indicator
Y() Multiple pressure ports available. Consult factory
ZU Direct Cable (175 °F max temperature) (79 °C)


Note: The use of some of these options may lower the standard performance parameters of the device. For more information, the Viatran representative may be contacted.

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