Model 24A - Pressure Transmitter

上海仪舶实验室自动化 26-02-16 14:10:13

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.

Features

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 + PowerPin B - PowerPin C + SignalPin D - SignalPin E No connectionPin F No connectionShell 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
BN (K)PTIH-8-4P
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
TW GOST-R
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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