184 Results
Filters 8
Popularity Product Name Mfg. Part Number Order Number

UEi, Testo, Mainstream Engineering, KD, Training, Tools, Test Instruments, Testing, Tools & Training

Pocket Digital Psychrometer H28-015
Pocket Digital Psychrometer
Brand: UEi Mfg #: DTH35
Catalog Pg.: 1465 View Similar Items
Intelligent Refrigerant Valve H28-827
Intelligent Refrigerant Valve
Description: Wireless Refrigeration Valve;
Brand: Testo Mfg #: 0560-5600-01
Catalog Pg.: 1353 View Similar Items
Large Meter Case H26-051
Large Meter Case
Description: Large Carry Case;
Brand: UEi Mfg #: AC519
Catalog Pg.: 1485 View Similar Items
115i Pipe Clamp Thermometer Smart Probe H28-617
115i Pipe Clamp Thermometer Smart Probe
Description: 115i Pipe Clamp Thermometer Smart Probe (Up to 350' Bluetooth Range);
Brand: Testo Mfg #: 0560-2115-03
Catalog Pg.: 1466 View Similar Items
EPA Section 608 Study Course Qwik608® - SPANISH B18-827
EPA Section 608 Study Course Qwik608® - SPANISH
Description: Qwik608® — Spanish (includes: "Field Reference Manual" and "QwikStudy™ Guide", software download code for EPA Section 608 interactive software, streamable Video, and downloadable or streamable Audio study materials) with paper test;
Brand: Mainstream Engineering Mfg #: QT3004
Catalog Pg.: 1109 View Similar Items
IR Thermometer H26-640
IR Thermometer
Distance to Spot Ratio: 12:1; Temp. Range: -76°F to +1,022°F; Accuracy: ±2%; Emissivity: 0.30/0.70/0.95;
Brand: UEi Mfg #: INF195C
Catalog Pg.: 1470 View Similar Items
410-1 Vane Anemometer H26-826
410-1 Vane Anemometer
Description: 410-1 Vane Anemometer;
Brand: Testo Mfg #: 0560-4101
Catalog Pg.: 1492 View Similar Items
EPA Section 608 Test Qwik608® B15-370
EPA Section 608 Test Qwik608®
Description: Qwik608® — EPA Test Only: Online QwikTest Only (bilingual);
Brand: Mainstream Engineering Mfg #: QT3008
Catalog Pg.: 1109 View Similar Items
Particle Filter H26-237
Particle Filter
Description: Replacement Particle Filter;
Brand: UEi Mfg #: 17631
Catalog Pg.: 1500 View Similar Items
EPA Section 608 Test Qwik608® - SPANISH B18-828
EPA Section 608 Test Qwik608® - SPANISH
Description: Qwik608® — EPA Test Only: Spanish Paper Test Only;
Brand: Mainstream Engineering Mfg #: QT3002
Catalog Pg.: 1109 View Similar Items
510i Differential Pressure Smart Probe H28-184
510i Differential Pressure Smart Probe
Description: 510i Differential Pressure Smart Probe;
Brand: Testo Mfg #: 0560-1510-01
Catalog Pg.: 1492 View Similar Items
552i Vacuum Smart Probe H28-725
552i Vacuum Smart Probe
Description: 552i Vacuum Smart Probe;
Brand: Testo Mfg #: 0564-2552-01
Catalog Pg.: 1330 View Similar Items
Temperature Probe H25-418
Temperature Probe
Type: K; Description: 48" Liquid Probe;
Brand: UEi Mfg #: ATT100
Catalog Pg.: 1486 View Similar Items
Replacement Printer Paper H26-447
Replacement Printer Paper
Description: 10-Year Printer Paper (6-Pk.);
Brand: Testo Mfg #: 0554 0568
Catalog Pg.: 1499 View Similar Items
550s 2Valve Digital Manifold Basic Kit w/Wired Temp Probes H86-151
550s 2Valve Digital Manifold Basic Kit w/Wired Temp Probes
Description: 550s 2-Valve Digital Manifold Basic Kit w/Wired Temp Probes;
Brand: Testo Mfg #: 0564-5501-01
Catalog Pg.: 1330 View Similar Items
Test and Check Kit H86-065
Test and Check Kit
Description: Test and Check Kit;
Brand: UEi Mfg #: TACK10
Catalog Pg.: 1477 View Similar Items
Residential Combustion Analyzer for Oil-Fired Appliances H86-212
Residential Combustion Analyzer for Oil-Fired Appliances
Description: Residential Combustion Analyzer for Oil-Fired Appliances with Hard Case;
Brand: UEi Mfg #: C161OIL
View Similar Items
405i Hot Wire Anemometer Smart Probe H28-182
405i Hot Wire Anemometer Smart Probe
Description: 405i Hot Wire Anemometer Smart Probe;
Brand: Testo Mfg #: 0560-1405-01
Catalog Pg.: 1492 View Similar Items
Small Meter Case H26-050
Small Meter Case
Description: Small Carry Case;
Brand: UEi Mfg #: AC319
Catalog Pg.: 1485 View Similar Items
805i IR Thermometer Smart Probe H28-188
805i IR Thermometer Smart Probe
Description: 805i IR Thermometer Smart Probe;
Brand: Testo Mfg #: 0560-1805-01
Catalog Pg.: 1492 View Similar Items
Temperature Probe H28-605
Temperature Probe
Type: K; Description: 37" DL479 Thermocouple Probe;
Brand: UEi Mfg #: ATT71
Catalog Pg.: 1486 View Similar Items
K-Type Pipe Clamp Probe H28-713
K-Type Pipe Clamp Probe
Type: K; Description: 3/16" to 1-7/16" Pipe Clamp;
Brand: UEi Mfg #: ATTPC4
Catalog Pg.: 1486 View Similar Items
Replacement Printer Paper H26-174
Replacement Printer Paper
Description: Replacement Paper;
Brand: UEi Mfg #: 16646
Catalog Pg.: 1500 View Similar Items
Multimeter H28-563
Multimeter
TRMS: Y; Autoranging: Y; Manual Ranging: Y; Diode: Y; Continuity Beeper: Y; Data Hold: Y; Backlit Display: Y; Display: 6,000 Count; Min./Max. Display: Y; Auto Power Off: Y; Low Battery Indicator: Y; Batteries: 2 AA; Safety Rating: Cat II 1,000V, Cat III 600V; AC Volts: 1,000V; DC Volts: 1,000V; AC…
Brand: UEi Mfg #: DM515
Catalog Pg.: 1481 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare