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Sensors for Monitoring Oil and Gas Wells & Pipelines
Sensors to monitor motors, pumps, compressors, and well heads
in natural gas supply and petrochemical industry

Sensors that offer hazardous area approvals are widely used on gas and oil well heads, supply lines, natural gas power engines, multi-stage gas compressors and other machinery operating in hazardous environments. Piezoelectric pressure sensors offer the capability to detect and monitor dynamic pressure spikes, pulsations and surges in gaseous or liquid media. Engine pressure sensors offer walk-around or permanent monitoring capability, allowing engine balancing and emissions control. Vibration monitoring has proven effective for determining machinery health, planning maintenance intervals, reducing downtime and avoiding catastrophic loss.

Learn More! Download the Brochure >>

Related Links
White Paper: Understanding Equipment Certification Programs for Potentially Explosive Environments 
White Paper: Understanding Safety Integrity Levels 
Brochure: Sensors Approved for Use in Explosive Environments 
Brochure: Sensors for Power Generation
Brochure: 4-20 mA Monitoring Equipment
Data Sheet: ICP® Pressure Sensors
For ease of comparison, we have pre-selected our most popular sensors for this application. 
To refine your search, click here to visit IMI Sensors Product Finder.
 
Mouse Over Image for Product Description.
 
Model Number121A44EX640B71607A11607A61
 Add to CartAdd to CartAdd to CartAdd to Cart
Price:Add to Cart for Quote$530.50 USD$225.00 USD$313.00 USD
Performance
Measurement Range (for ±5V output)
50 psi
344.8 kPa
------
Measurement Range--
0.0-1 in/sec pk
0.0-25.4 mm/s pk
±50 g
±490 m/s²
±50 g
±490 m/s²
Sensitivity (±15%)
100 mV/psi
14.5037 mV/kPa
--
100 mV/g
10.2 mV/(m/s²)
100 mV/g
10.2 mV/(m/s²)
Output--4-20 mA----
Frequency Range (±3dB)--
180-60000 cpm
3-1000 Hz
30-600000 cpm
0.5-10000 Hz
30-600000 cpm
0.5-10000 Hz
Maximum Pressure
8 kpsi
55.16 MPa
------
Broadband Resolution--
0.005 in/sec pk
0.13 mm/s pk
350 µg
3434 µm/sec2
350 µg
3434 µm/sec2
Resonant Frequency≥60 kHz--
1500 kcpm
25 kHz
1500 kcpm
25 kHz
Resolution
0.5 mpsi
0.003 kPa
------
Non-Linearity
≤2.0 % FS
<=2.0 % FS
±1 %±1 %±1 %
Rise Time (Reflected)
≤4 µ sec
<=4 µ sec
------
Low Frequency Response (-5%)0.5 Hz------
Transverse Sensitivity----
≤7 %
<=7 %
≤7 %
<=7 %
Environmental
Acceleration Sensitivity
≤0.05 psi/g
≤0.035 kPa/(m/s²)
------
Temperature Range--
-40-176 °F
-40-80 °C
-65-+250 °F
-54-+121 °C
-65-+250 °F
-54-+121 °C
Temperature Range (Operating)
-65-+250 °F
-54-+121 °C
------
Overload Limit (Shock)----
5000 g pk
49050 m/s² pk
5000 g pk
49050 m/s² pk
Hazardous Area ApprovalCSA (C-US) NRTL - Canadian Standards Association------
Enclosure Rating----IP68IP67
Electrical
Excitation Voltage22-28 VDC12-30 VDC18-28 VDC18-28 VDC
Output Polarity (Positive Pressure)Positive------
Settling Time (within 1% of bias)----
≤2 sec
<=2 sec
≤2 sec
<=2 sec
Discharge Time Constant (at room temp)
≥1.0 sec
>=1.0 sec
------
Settling Time (within 2% of value)--<15 sec----
Discharge Time Constant----
≥0.3 sec
>=0.3 sec
≥0.3 sec
>=0.3 sec
Electrical Isolation (Case)-->100000000 Ohm>100000000 Ohm>100000000 Ohm
Constant Current Excitation2-20 mA--2-20 mA2-20 mA
Output Impedance<100 Ohm--<150 Ohm<150 Ohm
Output Bias Voltage10-15 VDC--8-12 VDC8-12 VDC
Electrical Isolation
≥100000000 Ohm
>=100000000 Ohm
------
Spectral Noise (10Hz)----
8 µg/√Hz
78.5 (µm/sec2)/√Hz
8 µg/√Hz
78.5 (µm/sec2)/√Hz
Spectral Noise (100Hz)----
5 µg/√Hz
49.1 (µm/sec2)/√Hz
5 µg/√Hz
49.1 (µm/sec2)/√Hz
Spectral Noise (1kHz)----
4 µg/√Hz
39.2 (µm/sec2)/√Hz
4 µg/√Hz
39.2 (µm/sec2)/√Hz
Physical
Sensing GeometryCompressionShearShearShear
Size - Hex--
3.85 in
98 mm
9/16 in
14 mm
9/16 in
14 mm
Sensing ElementQuartzCeramicCeramicCeramic
Size - Height--
5.52 in
140 mm
0.97 in
24.6 mm
1.0 in
25.4 mm
Weight
2.7 oz
75.6 gm
1.2 lb
544 gm
----
Mounting Thread--
1/4 NPT
No Metric Equivalent
1/4-28 Male1/4-28 Male
Housing Material316L Stainless SteelStainless SteelStainless SteelStainless Steel
Diaphragm316L Stainless Steel------
Weight (without cable)----
1.1 oz
31 gm
1.1 oz
31 gm
Mounting----StudStud
SealingWelded Hermetic--Welded HermeticWelded Hermetic
Electrical Connector2-Pin MIL-C-5015Removable Screw TerminalsMolded Integral CableIntegral Armored Cable
Electrical Connection Position--TopSideSide
Mounting Torque (Stud)----
3-4 ft-lb
4.1-5.4 Nm
3-4 ft-lb
4.1-5.4 Nm
Mounting Torque (hex nut)----
2-3 ft-lb
2.7-4.1 Nm
2-3 ft-lb
2.7-4.1 Nm
Electrical Connections (Tab 1)--4-20 mA Pos (+)----
Electrical Connections (Tab 2)--4-20 mA Neg (-)----
Screw Terminal Wire Size--
12-24 AWG
3.0 - .2mm²
----
Cable Length----
10 ft
3.0 m
10 ft
3.0 m
Cable Type----PolyurethanePolyurethane