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RTD Meters

RTD Meters

  • Resistance Temperature Detectors (RTD)
RTD sensors measure temperature by measuring the change in electrical resistance across the metal wire. The resistance value is then measured and interpreted by a RTD thermometer, and displayed for a user to view. While RTD wire can be made of any metal, platinum is the metal of choice due to its excellent repeatability, stability and resistance to corrosion and chemicals.


Temperature Measurement Applications

Measuring and interpreting temperature has many MRO applications. Measurements throughout the plant can be done quickly and easily and without complex analysis. This information can then be stored electronically for later data trend analysis.

An electrical application is plant wiring. Anytime electrical current flows through a cable or connection, electrical resistance generates heat. Increased current flow through a cable generates more heat. If two similar sized cables have different temperatures, then the cable with the higher temperature carries the higher current. Resistance and heat build-up also occurs at loose or defective wiring connections.

Some typical applications for technicians and service personnel are:

Watching bearing temperatures to predict failure
Detecting motor overload
Finding defective transformers
Detecting loose and improper wiring connections
Checking electrical panels for hot spots
Measuring the surface of HVAC ductwork to reveal temperature variations, poor insulation and duct leakage
Diagnosing blown or plugged steam traps from a distance
Evaluating temperature differences between supply/return registers in a HVAC system
Checking for coil sweating on condensate lines in refrigeration systems
Checking the temperature of emergency relief valves
Diagnosing water leaks by measuring wallboard temperatures. Moist spots on walls will experience water evaporation and therefore will measure at a lower temperature
Testing furnace performance by checking the flue and supply grill temperatures
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EW-35626-20 Oakton<small><sup>&reg;</sup></small> Acorn<small><sup>&#153;</sup></small> Temp 6 RTD thermometer

Oakton Acorn Temp 6 Thermometer, Pt 100 RTD

Product Type RTD Thermometer,Min temperature º C 200,Min temperature º F 320
EW-35626-20
In stock.
$215.00 USD/EACH

Qty:

EW-93202-51 Hart Scientific Handheld Thermometer w/datalogger Model 1524

Fluke Calibration (Hart Scientific) Handheld Thermometer w/datalogger Model 1524

Product Type Multi-Parameter Thermometers,Brand Fluke Calibration (Hart Scientific)
EW-93202-51
Usually ships in 13 days.
$2,080.00 USD/EACH

Qty:

ThermoProbe TP7C Spool type 75ft Std Probe (Representative photo only)

ThermoProbe TP7C Spool-type 75ft Std Probe

Product Type RTD Thermometer,Min temperature º C -40,Min temperature º F -40
EW-90026-02
Usually ships in 8 days.
$1,135.00 USD/EACH

Qty:

ThermoProbe TP7C Spool type 50ft Std Probe (Representative photo only)

ThermoProbe TP7C Spool-type 50ft Std Probe

Product Type RTD Thermometer,Min temperature º C -40,Min temperature º F -40
EW-90026-01
Usually ships in 8 days.
$1,265.00 USD/EACH

Qty:

Oakton Temp 360 Datalogging Precision RTD Thermometer w boot (Representative photo only)

Oakton Temp-360 Datalogging Precision RTD Thermometer w/boot

Product Type RTD Thermometer,Min temperature º C 201,Min temperature º F 330
EW-91426-60
In stock.
$365.00 USD/EACH

Qty:

EW-90026-11 ThermoProbe TL1W Stem Thermometer with 8inch sensor length

ThermoProbe TL1W Intrinsically Safe Stick Thermometer; w/Horizontal Display, 8" Long

Product Type RTD Thermometer,Min temperature º C -40,Min temperature º F -40
EW-90026-11
Usually ships in 8 days.
$635.00 USD/EACH

Qty:

New Products EW-37803-92 Digi-Sense Platinum RTD Thermometer

Digi-Sense Calibrated RTD Thermometer, -58 to 752F/-50 to 400C

Product Type RTD Thermometer,Brand Digi-Sense
EW-37803-92
In stock.
$289.00 USD/EACH

Qty:

Fluke Calibration Hart Scientific 1502A Tweener Thermistor (Representative photo only)

Fluke Calibration (Hart Scientific) 1502A: Tweener Thermistor

Product Type Thermistor Thermometer,Min temperature º C 270,Max temperature º C 1900
EW-93201-15
Available for order
or call 1-888-358-4705 to order
$2,470.00 USD/EACH

Qty:

EW-90026-14 Representative image only. See item description for specific details.

ThermoProbe TL1R Intrinsically Safe Stick Thermometer; High-Accuracy, 12" Long Stem

Product Type RTD Thermometer,Min temperature º C -20,Min temperature º F -4
EW-90026-14
Usually ships in 8 days.
$840.00 USD/EACH

Qty:

Fluke Calibration Hart Scientific Handheld Thermometer Model 1523 (Representative photo only)

Fluke Calibration (Hart Scientific) Handheld Thermometer Model 1523

Product Type Multi-Parameter Thermometers,Brand Fluke Calibration (Hart Scientific)
EW-93202-50
Available for order
or call 1-888-358-4705 to order
$1,740.00 USD/EACH

Qty:

Ebro IP67 RTD Thermometer w Cert of Conformance Blunt Tip 58 to 572F (Representative photo only)

Ebro IP67 RTD Thermometer w/Cert of Conformance, Blunt Tip; -58 to 572F

Product Type RTD Thermometer,Min temperature º C 50,Min temperature º F 58
EW-90111-10
Usually ships in 12 days.
$281.00 USD/EACH

Qty:

Oakton Temp 360 Datalogging Precision RTD Thermometer w NIST Cal Cert (Representative photo only)

Oakton Temp-360 Datalogging Precision RTD Thermometer w/NIST Cal Cert

Product Type RTD Thermometer,Min temperature º C 201,Min temperature º F 330
EW-91426-61
Available for order
or call 1-888-358-4705 to order
$470.00 USD/EACH

Qty:

New Products EW-37804-06 Digi-Sense Scientific Single-Input RTD Thermometer with USB Probe

Digi-Sense Calibrated Scientific Single-Input RTD Thermometer, penetration probe

Product Type RTD Thermometer,Min temperature º C 50,Min temperature º F 58
EW-37804-06
Available for order
or call 1-888-358-4705 to order
$362.00 USD/EACH

Qty:

EW-93202-07 HART 1551A-9 Handheld Thermometer, Fixed RTD, –50 To 160C, 3/16x9

HART 1551A-9 Handheld Thermometer, Fixed RTD, –50 To 160C, 3/16x9

Product Type RTD Thermometer,Min temperature º C 50,Min temperature º F 58
EW-93202-07
Usually ships in 8 days.
$710.00 USD/EACH

Qty:

EW-95001-32 Extech 4-Channel Datalogging Thermometer with SD Card Memory

Extech SDL200 4-Channel Datalogging Thermometer with SD Card Memory

Product Type Multi-Parameter Thermometers,Min temperature º C -200,Min temperature º F -328
EW-95001-32
In stock.
$349.99 USD/EACH

Qty:

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