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  1. Temperature Controllers

Partlow LF Series

Indicating temperature controllers.

Partlow LF Series
LF Series Indicating Controller
  • LF Series Indicating Controller
    LF Series Indicating Controller
  • LFB73-73 Dual Set-Point Indicating Controller
    LFB73-73 Dual Set-Point Indicating Controller
  • LFP Modulating Potentiometer-Type Controller
    LFP Modulating Potentiometer-Type Controller
  • LFA Pneumatic Controller
    LFA Pneumatic Controller
  • LFV4 Explosion-Proof Single-Switch Inidicating Controller
    LFV4 Explosion-Proof Single-Switch Inidicating Controller
  • LFHL High-Temperature Indicating Controller
    LFHL High-Temperature Indicating Controller
  • LFE Modulating Impulse-Type Controller
    LFE Modulating Impulse-Type Controller
Partlow LF Series
LF Series Indicating Controller
Partlow LF Series
LFB73-73 Dual Set-Point Indicating Controller
Partlow LF Series
LFP Modulating Potentiometer-Type Controller
Partlow LF Series
LFA Pneumatic Controller
Partlow LF Series
LFV4 Explosion-Proof Single-Switch Inidicating Controller
Partlow LF Series
LFHL High-Temperature Indicating Controller
Partlow LF Series
LFE Modulating Impulse-Type Controller
Retired products cannot be ordered

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Call 1-800-884-4967 or email sales@instrumart.com. Open 8:00 am to 5:30 pm ET.
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Overview

Description

Partlow LF15-79 Indicating Controller

A two-switch indicating temperature controller providing dual on-off control for heat-cool applications; Fifteen operating ranges covering -30°F to 1100°F; Can be panel or surface mounted.

Features: Black temperature indicating pointer; Red setpoint indicator; Front panel setpoint knob; 1% Sensitivity (hysteresis); 0 to 5% Differential between switches; Weather resistant enclosure option; 0.5% Sensitivity (hysteresis) option.

Specifications: ±1% Accuracy; SPDT switches – 500VA resistive, 50VA inductive, 250VAC max; 8.63"W x 8.0" H x 4.28" D; 1 Year warranty; UL Listed and CSA Certified.

Partlow LFB73-73 Indicating Controller

A dual setpoint indicating temperature controller providing dual on-off control for heat-cool applications or control and alarming; Fifteen operating ranges covering -30°F to 1100°F; Can be panel or surface mounted.

Features: Black temperature indicating pointer; Dual red setpoint indicators; Front panel two-position in-out setpoint knob; 1% Sensitivity (hysteresis); 1.5% to full scale differential between switches; Weather resistant enclosure option; 0.5% Sensitivity (hysteresis) option.

Specifications: ±1% Accuracy; SPDT switches – 500VA resistive, 50VA inductive, 250VAC max; 8.63"W x 8.0" H x 4.28" D; 1 Year warranty; UL Listed and CSA Certified.

Partlow LFP Indicating Controller

An indicating temperature controller for use with position proportioning motors that work with a potentiometer in the controller; Fifteen operating ranges covering -30°F to 1100°F; Can be panel or surface mounted.

Features: Black temperature indicating pointer; Red setpoint indicator; Front panel setpoint knob; Manual reset for offset adjustment; Weather resistant enclosure option; High deviation alarm option.

Specifications: ±1% Accuracy; 100 or 135 ohm potentiometer resistance; Throttling range – 3.5%, 8%, 16%; 8.63"W x 8.0" H x 4.28" D; 1 Year warranty; CSA Certified.

Partlow LFA Pneumatic Controller

An indicating temperature controller for use with pneumatic devices in heating or cooling applications; Fifteen operating ranges covering -30°F to 1100°F; Can be panel or surface mounted.

Features: Black temperature indicating pointer; Red setpoint indicator; Front panel setpoint knob; Inlet and outlet gauges; Reverse or direct control action; Manual reset for offset adjustment; Weather resistant enclosure option.

Specifications: ±1% Accuracy; 16 psi input; 3 to 15 psi output; Air consumption – 6 cfh max.; 1/4 NPT air hookups; Throttling span – 5% to 20% of span; 8.63"W x 8.0" H x 4.28" D; 1 Year warranty.

Partlow LFV4 Explosion-Proof Controller

An explosion-proof single switch indicating temperature controller providing on-off control for heating or cooling applications; Fifteen operating ranges covering -30°F to 1100°F; Can be panel or surface mounted.

Features: Black temperature indicating pointer; Red setpoint indicator; Front panel setpoint knob; 1% Sensitivity (hysteresis).

Specifications: ±1% Accuracy; SPDT switch – 500VA resistive, 50VA inductive, 250VAC max; 8.63"W x 10.19" H x 4.28" D; 1 Year warranty; UL Listed.

Partlow LFHL High Temperature Limit Controller

A indicating high-temperature limit device with fail-safe feature for sensing element failure; Six operating ranges covering 0°F to 1100°F; Can be panel or surface mounted.

Features: Black temperature indicating pointer; Red setpoint indicator; Internal setpoint adjustment to prevent tampering; Red indicator light for normal operation; Front panel RESET button.

Specifications: ±1% Accuracy; SPDT switch – 15A resistive, 250VAC max; 8.63"W x 8.0" H x 4.28" D; 1 Year warranty; FM Approved and CSA Certified.

Partlow LFE18 Controller

An indicating temperature controller providing time proportioning control for heating or cooling applications; Fifteen operating ranges covering -30°F to 1100°F; Can be panel or surface mounted.

Features: Black temperature indicating pointer; Red setpoint indicator; Front panel setpoint knob; 30 Second cycle time; Other cycle times option (please call for more information).

Specifications: ±1% Accuracy; SPDT switch – 500VA resistive, 50VA inductive, 250VAC max.; 8.63"W x 8.0" H x 4.28" D; 1 Year warranty; UL Listed and CSA Certified.

Documents

Documents

  • Partlow LF Series Indicating Controller Data Sheet PDF (484 KB)
  • Temperature Controller Basics Handbook
  • All possible part numbers

Need Help? Call a Temperature engineer at 1-800-884-4967

We're open 8:00 am to 5:30 pm ET

Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
David S. headshot David S.
Applications Engineer
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
David S. headshot David S.
Applications Engineer
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart

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Partlow LF Series
Partlow LF Series
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