Precision Sensors
  Low Pressure Monitor LDP ECHOLINE®
Low Pressure Monitor LDP ECHOLINE®

Low Pressure Monitor LDP ECHOLINE® Series

LDP ECHOLINE® was designed in cooperation with a leading semiconductor manufacturer to provide state-of-the-art low pressure monitoring of gas cabinet exhaust systems. "ECHO" (Electronic Circuit Health Output) diagnostics alert the user to loss of external power or internal electronics failure. LDP ECHOLINE’s® unique Maintenance Mode feature prevents false trips during ventilation system balancing.



Low Pressure Monitor LDP ECHOLINE®

Media Clean Dry Air, Inert Gases, Corrosive Media
Type Field Adjustable
Range 0 to 0.1", 0.5", 1", 2", 5"
10" & 20" WC
0 to 50, 100, 500, 1000 & 2000 Pa
Proof Pressure

± 14.5 psig ³ 1" WC
± 80" < 1" WC

Burst Pressure 20 psig
Deadband 1%
Switching Response 1 Sec. to 30 Sec.
Switching Output 1A @ 30 VDC
Switch Point Field Adjustable
Switch Repeatability ± 0.5% F.S.
Input Power 12 to 24 VDC
Analog Output option 4 - 20 mA, 0-10 VDC
Status LED In Range
Operating Temp. Range 0° to 40°C
Display Accuracy 1% F.S., 0° to 40°C
Min. Operating Life 5 Million cycles
Approvals UL508, UL991, CE
Warranty 36 Months
Media Connections 1/4" tubing (push to seal)
Barbed hose fitting
  • Introducing the Echoline Low Differential Pressure Monitor Video
  • UL991, UL508 Recognize Safety Rated
  • Conformance to S2-0200 and CE
  • Corrosive Media
  • Bright LED display, flash upon alarm
  • High and low alarm set points
  • "Maintenance Mode" to prevent false trips during ventilation system balancing
  • Adjustable time delay to eliminate false trips
  • Latching relay output (Option "M01" for non-latching design)
  • Self-diagnostics
  • Optional selectable units from inches WC to Pascal


Configure a Part Number
Download Solid Model
View Dimensional Drawings
View ECHOLINE® Series Literature
View Other Products



  340 Woodmont Road
Milford, CT 06460
Tel: (203) 877-2795
Fax: (203) 877-8752