Ross Controls TRANSDUCERS User Manual
Accessories
Zubehör • アクセサリー • Lkgk;d midj.k • Acessórios • 辅助配件
Pressure Switches
• 3 to 150 psi (0.2 to 10.3 bar)pressure range (adjustable)
• 475 psi (37.8 bar) maximum pressure
• High shock resistance & set point stability
• SPDT double break contacts
• NEMA 4, 13 enclosure
• Diaphragm actuated
• Non-adjustable differential
• Numerical range scale window
• UL and CSA listed
• Indicator light
• 5 pin mini-connector
Visual Pop-Up Indicator or Pressure Switch (electrical)
• May be installed on all L-O-X® valves with pressure sensing port
• Provides a means to verify the release of downstream pressure to next obstruction
Verification Option Model Number Inlet Port Size*
Pop-Up Indicator 988A30 1/8
Pressure Switch 586A86 1/8
* Pressure sensing port threads are NPT on all L-O-X® valves models. (including BSPP)
Model Number
717H30* (NPT)
D717H30* (BSPP)
*Specify voltage when ordering.
1/4” NPT Female inlet
Gauge Shut-Off
• Allows gauge installation without system shutdown
• Male-female ported for compact installation
• Nickel plated brass construction
• Rated to 250 psi (17.2 bar)
1/4” NPT female
Model Number 112H74
1/4” NPT male
Junction Box
• 6” x 10” X 4” deep
• 20 pre-mounted terminals
• NEMA 12 construction
Model Number 608F94
Three Function Transducer with Integral Pressure Switch and Digital Gauge
Pressure setpoint range
Overpressure limit
Burst pressure
Port connection
Supply voltage
Status indicators
Outputs
Switch point accuracy
7.5 to 150 psi (0.5 to 10.3 bar)
700 psi (48.3 bar)
2000 psi (137.9 bar)
1/4 NPT female
18 to 30 volts DC
1 red LED: switched output status, 3 numeric LEDs: system pressure
Programmable NO or NC (with window function) & 4–20 mA output
+ 1.5% of full range
Programmable switch delay
Repeatability
Wetted parts
Protection rating
Electrical connections
0 to 50 seconds
+ 0.25% of full range
304 stainless steel, ceramic cell, Viton O-ring
NEMA 3, 4, 12, 13, IP65
Quick disconnect MICRO DC type
Single Function Unit – Transducer Only: 935H30
5 Meter Cord: 936H30
26 © 2011, ROSS CONTROLS.
All Rights Reserved.
Model Number 911H30
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