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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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RK-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

Min temperature º C 200,Min temperature º F 320,Max temperature º F 1562
RK-35626-20
In stock.
$192.00 USD/EACH

Qty:

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

Oakton Temp-360 Datalogging Precision RTD Thermometer w/boot

Min temperature º C 201,Min temperature º F 330,Max temperature º F 2210
RK-91426-60
In stock.
$350.00 USD/EACH

Qty:

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

Extech SDL200 4-Channel Datalogging Thermometer with SD Card Memory

Min temperature º C -200,Min temperature º F -328,Max temperature º F 2501
RK-95001-32
In stock.
$349.99 USD/EACH

Qty:

RK-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)
RK-93202-51
Usually ships in 13 days.
$2,080.00 USD/EACH

Qty:

Representative photo only Fluke Calibration Hart Scientific Handheld Thermometer Model 1523

Fluke Calibration (Hart Scientific) Handheld Thermometer Model 1523

Product Type Multi-Parameter Thermometers,Brand Fluke Calibration (Hart Scientific)
RK-93202-50
In stock.
$1,740.00 USD/EACH

Qty:

Representative photo only Oakton Temp 16 Precision RTD Thermometer w boot

Oakton Temp-16 Precision RTD Thermometer w/boot

Min temperature º C 200,Min temperature º F 328,Max temperature º F 1562
RK-91426-20
In stock.
$205.00 USD/EACH

Qty:

Representative photo only Fluke Calibration Hart Scientific Thermometer 4 thermistor RTD inputs

Fluke Calibration (Hart Scientific) Thermometer, 4 thermistor/RTD inputs

Min temperature º C 270,Max temperature º C 1900,Display 1.3 in H x 5 in backlit LCD
RK-93202-10
Usually ships in 12 days.
$5,400.00 USD/EACH

Qty:

RK-26842-40 Precision RTD Thermometer

Extech Precision RTD Thermometer

Min temperature º C 129,Min temperature º F 199.99,Max temperature º F 1562
RK-26842-40
In stock.
$239.99 USD/EACH

Qty:

RK-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
RK-37803-92
In stock.
$280.00 USD/EACH

Qty:

RK-90111-12 Ebro TFX 410 High-accuracy Platinum RTD Thermometer with remote penetration probe

Ebro IP67 RTD Thermometer w/NIST Cal Cert, Remote Sharp Tip; -58-572F

Min temperature º C 50,Min temperature º F 58,Max temperature º F 572
RK-90111-12
In stock.
$265.00 USD/EACH

Qty:

Representative photo only Testo RTD Thermocouple Thermometer w Datalogger and Wireless Capability

Testo RTD/Thermocouple Thermometer w/Datalogger and Wireless Capability

Min temperature º C 200,Min temperature º F 328,Max temperature º F 2498
RK-86460-16
Available for order
or call 1-888-358-4705 to order
$655.00 USD/EACH

Qty:

RK-93202-00 Hart Scientific Thermometer, 2 thermocouple and 2 thermistor/RTD inputs

Fluke Calibration 1529 Precision CHUB 4-Channel Thermometer; 2-PRT, 2 T/C

Min temperature º C 270,Max temperature º C 1900,Display 1.3 in H x 5 in backlit LCD
RK-93202-00
Usually ships in 11 days.
$5,400.00 USD/EACH

Qty:

RK-90026-10 Representative image only. See item description for specific details.

ThermoProbe TL1A Intrinsically Safe Stick Thermometer; 12" Long Stem

Min temperature º C -40,Min temperature º F -40,Max temperature º F 400
RK-90026-10
Usually ships in 8 days.
$515.00 USD/EACH

Qty:

RK-90026-04 ThermoProbe TP9 Stainless Steel 50ft Std Probe

ThermoProbe TP9 Stainless Steel 50ft Std Probe

Min temperature º C -40,Min temperature º F -40,Max temperature º F 400
RK-90026-04
Usually ships in 8 days.
$1,050.00 USD/EACH

Qty:

RK-37804-06 Digi-Sense Scientific Single-Input RTD Thermometer with USB Probe

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

Min temperature º C 50,Min temperature º F 58,Max temperature º F 302
RK-37804-06
Available for order
or call 1-888-358-4705 to order
$350.00 USD/EACH

Qty:

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