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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Industrial Submersible Pressure Transducer

Industrial Submersible Pressure Transducer

Product Code:Serie 700


Need more Info? (514) 354-2511 - 1-800-463-4363

Features
  • Custom Level Ranges up to 700 ft (210 m) H2O
  • Accuracy to ±0.05% FS Available
  • Analog Outputs of 4-20 mA or VDC
  • Welded 316 SS or Titanium Construction
  • Optional Lifetime Lightning Protection
  • Optional Temperature Measurement Output
  • Custom Cable Lengths

 

Applications
  • Well Monitoring
  • Lift Stations
  • Slug Tests
  • Level Control
  • Ground Water Monitoring
  • Pump Control
  • Oceanographic Research
  • Surface Water Monitoring
  • Soil Remediation
     
The Series 700 family of submersible hydrostatic level transducers is specifically designed to meet the rigorous environments encountered in liquid level measurement and control. They can be configured to perform to specifications under most adverse, reactive conditions.

All KPSI Transducers utilize a highly accurate pressure sensor assembly specifically designed for hostile fluids and gases. The assembly is integrated with supporting electronics in a durable waterproof housing constructed of 316 stainless steel or titanium. The attached electrical cable is custom manufactured to Pressure Systems’ specifications and includes Kevlar® members to prevent errors due to cable elongation, and a unique water block feature that self-seals in the event of accidental cuts to the cable. Each transducer is shipped with our latest SuperDry™ Vent Filter that prevents moisture from entering the vent tube for at least one year without maintenance, even in the most humid environments.

These units are designed for installation in a Class I, Division 1, Groups A, B, C, and D, Class II, Division 1, Groups E, F and G, Class III, Division 1 hazardous location when connected to appropriate apparatus such as those manufactured by R. G. Stahl, Inc., and others. KPSI transducers are type approved by the American Bureau of Shipping (ABS) and are UL, CUL, and FM approved and have a IP 68 and NEMA 6P housing protection rating. The Series 700 is CE compliant to EN 61000-6-4:2001 and EN 61000-6-2:2001. All KPSI Transducer calibrations are traceable to the National Institute of Standards and Technology (NIST).

 

Specifications
Parameter 7351 7301 720 710 700 Units Comments
Level Ranges
Full Scale
Level Ranges2
5 thru 700
(1.5 thru 210)
2.3 thru 700
(0.70 thru 210)
ft H2O
(m H2O)
for vented
gage reference
N/A 35 thru 700
(10 thru 210)
10 thru 700
(3 thru 210)
ft H2O
(m H2O)
for vented
gage reference
N/A 35 thru 700 (10 thru 210) ft H2O
(m H2O)
for vented
gage reference
Proof Pressure 1.5 x FS  
Burst Pressure 2.0 x FS  
Static Performance
Static Accuracy3 ±0.05 ±0.10 ±0.25 ±0.50 ±1.00 ±FSO BFSL method
Resolution Infinitesimal    
Environmental
Wetted Materials 316 SS or Titanium; Delrin®;
polyurethane or Viton®
  Delrin® and Viton® are registered
trademarks of DuPont
Compensated
Temp Range
0 to 50 °C  
Thermal Error4 ±0.055 %FSO / °C Worst case over compensated
temperature range
Operating
Temp Range
-20 to 60 °C When using polyurethane cable
0 to 50 °C When using ETFE cable11
Protecting Rating IP 68, NEMA 6P    
Electrical
Excitation 9 - 3012  |  2.5 - 10 VDC for mA, VDC
Input Current 20  |  3.5 mA max for mA output  |  VDC output
Output10 4 - 20  | 0 - 5 mA | VDC Option available6
Zero Offset ±0.208  | <0.25 mA | VDC for mA output  |  VDC output
Output
Impedance
See Loop Resistance Diagram  |  20 ohm for mA output  |  VDC output
Insultation
Resistance
100 mega
ohm
at 50 VDC
Circuit Protection Polarity, surge/shorted output    
Physical
Approximate
Weight
0.44 (196)
0.05 (79)
lbs (g)
lbs/ft (g/m)
transducer
cable
Cable
Jacket Material

Pull strength

Number of
conductors

Conductor Size

Polyurethane (std) ETFE9 (opt)

200 (90)

4


22





lbs (kg)


AWG
Tefzel®, Teflon® and Kevlar®
are registrated trademarks
of DuPont
Cable Seal Molded Polyurethane
Viton® Gland
  for polyurethane cable
for ETFE cable
Temperature Output Option (Not Intrinsic Safety Approved)
Temperature
Range
-20 to 60 °C available for 4-20 mA
output version only
Output Signal16 4 - 20 mA  
Temperature
Measurement
Accuracy
±4 °C  
Lightning Protection (Optiomal)13
Life Expectancy >1000 operations    
Peak Clamping
Voltage
36 Volts    
Response Time <10 nsecs    
Notes:

1. For ranges > 230 ft (70 m) H2O, output is 4-20 mA only.
2. Intermediate level ranges are available.
3. Static accuracy includes the combined errors due to nonlinearity, hysteresis and nonrepeatability on a Best Fit Straight Line (BFSL) basis, at 25ºC per ISA S51.1.
4. Thermal error is the maximum allowable deviation from the Best Fit Straight Line due to a change in temperature, per ISA S51.1.
5. For ranges < 12 ft (4 m) H2O, maximum thermal error is ±0.1% FSO/ºC.
6. Custom VDC output levels can be provided up to 2.5 VDC less than the excitation supply voltage. Contact Customer Service for VDC output availability.
8. For ranges <= 5 ft (1 m) H2O, zero offset is ±0.25 mA.
9. ETFE is a fluoropolymer (Teflon® derivative) material, Tefzel® or equivalent
10. For ranges < 5 ft (1.5 m) H2O, only 4-20 mA output is available.
11. -20ºC to 50ºC for level ranges <= 100 ft (70m) H2O when using ETFE cable.
12. Intrinsic safety limits excitation to 28V.
13. The power supply needs to be limited to 150 mA to avoid lock up of the gas tube after a suppression event.

 

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