Core Sensors CS51 Series

  • Core Sensors

Product Features

  • Non-incendive low pressure transducer
  • Pressure ranges from 1 PSI up to 49 PSI
  • Temperature range from −20°C up to +80°C *
  • Accuracy of ≤±0.25% BFSL at 25°C **
  • Stability of ≤±0.25% of FS (1 year)
  • Pressure cycles of 100 million
  • Overpressure of 2x minimum
  • CSA

Applications


The CS51 non-incendive low pressure transducer from Core Sensors is a high-strength sensor designed for use in hazardous environments with various approvals and certifications. Available with low pressure ranges from 1 PSI up to 49 PSI with an accuracy of ≤±0.25% BFSL **. The CS51 has a selection of electrical output options, as well as a choice of process connections and wetted materials available with an operating temperature range of -40°C to +80°C and a media temperature range of -40 to +125°C. The Robust design and variety of configurable options make the CS51 series a versatile pressure transducer designed to operate in some of the harshest conditions. Utilising an all welded stainless steel one-piece diaphragm with no internal O-rings or welds, the series also offers a minimum ingress protection of IP65. The CS51 is an excellent solution for applications such as natural gas compression, hydrogen compression and storage, and process control instrumentation.

In an effort to simplify installation in Class I, Division 2 hazardous locations, the CS51 Non-Incendive Pressure Transducer is offered with an integral Turck Mini-Fast electrical connection. When combined with a Turck cordset (with ITC rated cable) and a Turck Lokfast Guard, there is no requirement for conduit to be installed over the cable*. This not only makes installation easy but also makes switching out sensors less cumbersome. Core Sensors can supply all components as a complete package.

*Core Sensors recommends confirming hazardous location installation requirements with your local inspector as each installation is unique.

  • Non-incendive low pressure transducer
  • Pressure ranges from 1 PSI up to 49 PSI
  • Accuracy of ≤±0.25% BFSL at 25°C **
  • Stability of ≤±0.25% of FS (1 year)
  • Pressure cycles of 100 million
  • Overpressure of 2x minimum
  • Burst pressure of 5x or 245 PSI (whichever is less)
  • Bi-directional pressure ranges available
  • Various electrical output option (see tables below for more details)
  • Temperature range from −20°C up to +80°C *
  • Reverse polarity protection and EMI protection
  • One piece design with isolated media
  • Wetted materials available in 316L SS and Hastelloy C276 (special order item)
  • IP65 minimum rated ***

* Temperature values are dependent on the chosen connection.
** Accuracy includes non-linearity, hysteresis and non-repeatability
*** IP Rating applies when the electrical connector is attached with the appropriate ingress protection and is dependent on the electrical termination selected. Contact us for more information.

Approvals/Certifications for the Core CS51 series include:

  • CSA Class I, division 2, groups A, B, C, D T4
  • ABS (American bureau of shipping)
  • CE

Typical applications for the CS51 non-incendive low pressure transducer series include:

  • Natural gas compression
  • Oil exploration
  • Process control
  • Vapor recovery


Performance, Thermal, Environmental & Physical Specifications Table

AttributeValue
Accuracy at 25°C **≤±0.25% BFSL
Stability (1 Year)≤±0.25% of FS
Pressure Cycles100 million
Overpressure2x minimum
Burst Pressure5x or 245 PSI (whichever is less)
Operating Temperature-40°C to +80°C
-20°C to +80°C for DIN 43650-A
Media Temperature-40°C to +125°C
-40°C to +105°C for DIN 43650-A
Compensated Temperature0°C to +55°C
Storage Temperature-40°C to +125°C
TC Zero≤±1% of FS
≤ ± 2% of FS (2 PSI & below)
TC Span≤±1% of FS
≤ ± 2% of FS (2 PSI & below)
EMI / RFI ProtectionYes
IP Rating **IP65 minimum
Vibration10g, 20 to 2000Hz
Shock100g, 11msec, 1/2 sine

Electrical Specifications (Current)

AttributeValue
Outputs4 to 20mA
Excitation10 to 28VDC
Current Consumption20mA (typical)
Output Load0 to 800Ω at 10 to 28VDC
Frequency Response~250Hz (minimum)
Zero Offset (of FS)≤±0.5% (typical)
±1% maximum
Span Tolerance (of FS)≤±0.5% (typical)
±1% maximum

Electrical Specifications (Voltage)

AttributeValue
Outputs1 to 5V
1 to 6V
Excitation10 to 28VDC
Current Consumption<10mA
Output Load5kΩ (minimum)
Frequency Response~1kHz (minimum)
Zero Offset (of FS)≤±0.5% (typical)
±1% maximum
Span Tolerance (of FS)≤±0.5% (typical)
±1% maximum

Electrical Specifications (Ratiometric Voltage)

AttributeValue
Outputs0.5 to 4.5V ratiometric
Excitation5VDC ±0.5V
Current Consumption<10mA
Output Load5kΩ (minimum)
Frequency Response~1kHz (minimum)
Zero Offset (of FS)≤±0.5% (typical)
±1% maximum
Span Tolerance (of FS)≤±0.5% (typical)
±1% maximum

Electrical Specifications (Low Power Voltage)

AttributeValue
Outputs0.5 to 2.5V non-ratiometric
Excitation3 to 5VDC unregulated
Current Consumption≤3mA
Output Load5kΩ (minimum)
Frequency Response~1kHz (minimum)
Zero Offset (of FS)≤±0.5% (typical)
±1% maximum
Span Tolerance (of FS)≤±0.5% (typical)
±1% maximum


ImageText
danger iconCaution must be taken when installing and operating the CS50/CS51/CS54 in known Class I, Division 2 hazardous locations. Please review the Non-Incendive Operating Instructions prior to installation. Any misuse or improper installation may impair the equipment’s intended use and/or protection ratings. Thoroughly read and understand the operating instructions prior to installation. Call us on +44 (0) 1342 330 470 if you are unsure about any of the precautions, instructions or have any other enquiries.


Core Sensors design and manufacture high-quality sensors for measuring pressure and temperature properties for industrial and hazardous applications worldwide. Core offers solutions for industrial, submersible, differential and hazardous applications in both standard and custom packaging. In-house design and manufacturing capabilities along with strategic manufacturing partners allow Core to create solutions to some of the most complex sensor requirements. Please visit https://core-sensors.com for more information.

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Specifications

Product Type

Process Connection

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Wetted Material

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Pressure Range

Pressure Unit

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Pressure Type

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Output

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Electrical

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Options

Lead Length

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Accuracy

Temperature Range (°C)

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Series / Model

Core Sensors CS51 Series Ordering Info

Below is the model number configuration for the CS51 series from Core Sensors.

Ordering example: CS51-2A00010PG4H000-00
CS51XXXXXXXXXXXXXXXX

Series / Model (CS51)

CS51
CS51

Process Connection (X)

1
1/2” Male NPT
2
1/4” Male NPT
4
7/16-20 Male UNF
C
G1/4 Male, Form E

Wetted Material (X)

A
316L SS
C
Hastelloy® C276

Pressure Range (XXXXX)

Insert 5-digit pressure code, max 49 PSI
i.e. 00049 = 49 PSI

Pressure Unit (X)

B
Bar
P
PSI
W
Inches of H2O

Pressure Type (X)

A
Absolute
B
Bidirectional
G
Gauge
V
Vacuum (gauge)

Output (X)

1
1 to 5V
2
0.5 to 4.5V ratiometric
3
1 to 6V
4
4 to 20mA
8
0.5 to 2.5V non-ratiometric

Electrical (X)

F
DIN 43650, Form A
H
Turck® Minifast®
Z
1/2″ MNPT conduit with strain relief

Options (XXX)

000
No special options

Lead Length (XX)

00
No cable
01
1m
02
2m
03
3m

Core Sensors CS51 Series Resources

Product Datasheet

Supporting Product Information

Supporting Manufacturer Information

  • Oil & Gas
  • Renewables