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OBS-LE SERIES
LED Digital Pressure Gauge / Transmitter / Switch
OBS-LE Series LED Digital Pressure Gauge
LED Relay Alarms
Lock key / Shift Digits
Programming Key
Function of Buttons
Key Name
Symbol
Lock / Shift
Programming
Unlock / Adjust
Aetna Plastics - Phone 800.634.3074 - Fax 216.524.2280 - Email sales@aetnaplastics.com
Operating Manual
AL1
Psi
Press Key for 3 Seconds to Lock Sensor
Press to Shift Cursor while in Programming Mode
Press Key for 3 Seconds to Enter Programming Mode.
Press to Scroll through Menu.
Press
Key Quickly will allow operator to Scroll through different
Pressure engineering units.
Press Key for 3 Seconds to Unlock Sensor Alarm.
Press
One (1) Second to change units.
AL2
Bar
MPa
KPa/KG
Descriptions
Distributed By Aetna Plastics
www.aetnaplastics.com
Engineering Pressure Units
Psi BAR MPr KPa/KG
Prefilled Glycerin
½" FNPT
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Table of Contents
Related Manuals for truflo OBS-LE Series
Summary of Contents for truflo OBS-LE Series
- Page 1 Distributed By Aetna Plastics www.aetnaplastics.com OBS-LE SERIES LED Digital Pressure Gauge / Transmitter / Switch OBS-LE Series LED Digital Pressure Gauge Operating Manual LED Relay Alarms Engineering Pressure Units Lock key / Shift Digits KPa/KG Psi BAR MPr KPa/KG Programming Key Prefilled Glycerin ½"...
- Page 2 Distributed By Aetna Plastics www.aetnaplastics.com OBS-LE SERIES LED Digital Pressure Gauge / Transmitter / Switch PROGRAMMING MODE OPERATING PROCEDURES Follow Hand For Programming Alarm Setpoint Block Charts Display Descriptions Default Power On Start Here 00.0 Press Key for 3 Seconds to Enter Programming Mode.
- Page 3 Distributed By Aetna Plastics www.aetnaplastics.com OBS-LE SERIES LED Digital Pressure Gauge / Transmitter / Switch HOW TO ORDER PVC (P) CPVC (C) (M) -MNPT ½" OBS-LE PP (PP) PVDF (PF) (F)-FNPT ½" Connection Body Material * Flanged Available PP / PVDF...
- Page 4 Example : TVL Series Controller + Display Use Screw Driver Provided Instrument Screw Driver (Provided) Method of connecting cables to the clamping connectors Truflo OBS LED Series 4-20mA Wiring Diagram Examples : Pump Shut-Off Relay Valve Shut-Off ProAlert 1000 ViewSonic Alerm...
- Page 5 Distributed By Aetna Plastics www.aetnaplastics.com OBS-LE SERIES LED Digital Pressure Gauge / Transmitter / Switch Hysteresis Mode (NO Type) Hysteresis Mode (NC Type) Fig - 1 Fig - 2 Blue Black Yellow Brown White Digital Output1 Analog Supply Power (+)
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