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Parts, Service, Replacements

Murphy by Enovation Temperature Gauges

Thousands of Parts in Stock, Ready to Ship

Palmer Jonson stocks a full-line of Murphy temperature gauges. Our massive inventory and authorized distributor status allows us to quote the most competitive price, and provides you with access to insider expertise and technical documentation.

10705147

Pyrometers Bulletin

Details

10705147 Specifications

Dial Scale Single: 300 to 1300°F (150 to 700°C)

Dual: 300 to 1200°F (150 to 649°C) (Celsius only dials available.) Dial Sweep (both models): 100°.

Accuracy: Full scale 2%.

Illumination: Internal 12 or 24 VDC.

Bezel: Polished stainless steel. (Black bezel available by special order.)

Case: PVC.

Pointer(s): Fire Orange.

10705147 Overview

Features

• Large sweep scales for maximum legibility

• Internal illumination for night use

• Accuracy: 2% full scale

• Sealed housing

• Ambient temperature compensation

• Calibrated permanently at 2/3 scale

• Flush type mounting on any plane

Benefits of Using a Pyrometer

• Longer engine life

• Better fuel economy

• Less lubrication oil dilution

• Lubrication oil stays clean much longer

• Exhaust emissions drop to a minimum

• Malfunctions indicated before excessive damage occurs

20T / 25T

20-Series Temp Bulletin

Details

20T / 25T Overview

Dial: White on black; U.S.A. standard scale is dual scale °F/°C; others available (see How to Order).

Case: Plated steel; mounting clamp included (except for direct mounting models).

Bezel: Polished stainless steel, standard; others are available.

Pointer: Tempered nickel silver.

Lens: Polycarbonate, high-impact.

Sensing Element: Beryllium copper diaphragm.

Capillary: PVC armored copper; 4 ft. (1.2 m). Stainless steel armor optional.

Sensing Bulb: Copper.

Gage Accuracy: See accuracy chart, on page 2.

A20T / A25T

A20/A25 Series Temp Bulletin

Details

A20T / A25T Overview

2 and 2-1/2 in. (51 and 64 mm) Dial
• Corrosion Resistant Polycarbonate Case
• Indicating Gage and Limit Switch
• Switch Can Activate Alarms and/or Shut Down Equipment
• Critical/High Temperature Limit Switch Is Visible and Adjustable (Most Models)
• Contact(s) Isolated From Ground

Dial: White on black; U.S.A. standard scale is dual scale °F/°C; others available.

Case: Glass filled/Polycarbonate, corrosion-resistant; steel mounting clamp included.

Bezel: Polished stainless steel, standard; others are available.

Pointer: Tempered nickel silver; red tip.

Lens: Polycarbonate, high-impact.

Sensing Element: Beryllium copper diaphragm.

Capillary: PVC armored copper; 4 ft. (1.2 m). Stainless steel armor optional.

Sensing Bulb: Copper.

SDB

SDB Bulletin

Details

SDB Specifications

Temperature Ranges: SDB500, SDB500EX, and SDB501: 100 to 500°F (40 to 260°C). SDB1000: 200 to 1000°F (100 to 500°C).

Sensing Bulb Material and Size: 304 stainless steel; 1/2 in. dia. x 4 in. (13 x 102 mm) insertion depth.

Maximum Bulb Pressure: 285 psi (1.97 MPa) [19.7 bar] at 625°F (329°C). NOTE: use of a thermowell is recommended.

Process Connection: 1/2 NPTF. 3/4 NPT adapter available.

Sensing Element: High torque bi-metal element in heliarc welded stainless steel bulb.

SDB Overview

The SDB Series are direct-mounting temperature Swichgage devices. They provide an accurate direct-reading gauge with an adjustable limit switch to activate alarms and/or shutdown. A knob on front of the Swichgage instrument allows you to adjust the limit switch trip point. Pointer movement is actuated by a bi-metallic sensing element.

Features

• Easy to Read Dial

• Bi-Metallic Sensor

• Two Ranges:

- 100 to 500°F (40 to 260°C)

- 200 to 1000°F (100 to 500°C)

• Dials Scaled in Degrees

- Fahrenheit/Celsius

• CSA Listed Explosion-Proof Model Available

SPL / 45TE

SPL 45TE Bulletin

Details

SPL / 45TE Specifications

Dial: White on black, dual scale, °F and °C standard, 4-1/2 in. (114 mm) diameter.

Case: Die cast aluminum, surface or panel mount.

Capillary: PVC armored copper tube, 5 ft. long (1.5 m.) standard–see options.

Sensing Bulb: Copper bulb: 1/2 in. (13 mm) OD; Length: 7 in. (178 mm). Minimum bulb insertion– see corresponding chart, on page 2. Pressure Rating: 600 psi (4.1 MPa) [41 bar]. Connection: 1/2 NPT compression fitting.

SPL / 45TE Overview

Features

• Combination Indicating Gage and Critical Temperature Limit Switches

• High and Low Temperature Limit Contacts Are Visible and Adjustable

• SPDT Snap-Acting Models

• Panel and Wall Mount Versions

• Latching Control Relay Versions Available

TC / RTD / RTDT

Thermocouple Bulletin

Details

TC / RTD / RTDT Specifications

Thermowell: 304 stainless steel; 7000 psi (48.2 MPa) [482 bar] max. @ 70°F.

Connecting Head: Cast Aluminum; 400°F (204°C) maximum operating temperature.

Thermocouple: Ungrounded, Magnesium Oxide (MgO) insulated 96% purity; element sheath of 304 stainless steel.

Type “J” operating temp.: 900°F (482°C) max.

Type “K” operating temp.: 1800°F (982°C) max.

RTD: 100 ohm @ 0°C Platinum element; 3-wire; 400 °F maximum; 0.00385 temperature coefficient; 316L stainless steel element sheath.

RTD Transmitter: 100 ohms Platinum RTD; 400 °F maximum; Ranges: 0 to 400°F and -60 to 140°F. Linearized 4-20 mA DC output. Loop powered typically 24 VDC, when using the Loop Resistance Graph, 13-40 VDC. For use with 100 ohms Platinum RTD elements, 0.00385 temperature coefficient.

TC / RTD / RTDT Overview

Features

• 304 Stainless Steel Thermowell Protection

• Compatible with Digital Swichgage®

• Types “J” or “K” Ungrounded Thermocouples

• 100 Ohm, 3-Wire RTD Assemblies

• 4-20 mA DC Output RTD Transmitters

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Palmer Johnson Power Systems

Parts, Service, Replacements

Murphy by Enovation Temperature Gauges

10705147

10705147 Specifications

10705147 Overview

20T / 25T

20T / 25T Overview

A20T / A25T

A20T / A25T Overview

SDB

SDB Specifications

SDB Overview

SPL / 45TE

SPL / 45TE Specifications

SPL / 45TE Overview

TC / RTD / RTDT

TC / RTD / RTDT Specifications

TC / RTD / RTDT Overview

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