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Testers - 54 - Blowout Sale! Save up to 83%


Blowout Sale! Up to 83% off on Testers at Humble Opinion. Top brands include Ray-JrMALL, JGRZF, Alloet, TEKCAM, Supco, Fluke, Gardner Bender, NKTECH, Kasstino, Extech, Newtry, NEW, MonkeyJack, TestHelper, ARKSEN, Atmotube, NW, MOLDetect, ZIYUN, & GERI. Hurry! Limited time offers. Offers valid only while supplies last.



Black Sensor Dosimeter LCD Digital Electromagnetic Radiation Detector EMF Meter
Black Sensor Dosimeter LCD Digital Electromagnetic Radiation Detector EMF Meter
By Ray-JrMALL
In Stock
$10.51
$10.06
You Save: 4%

mpn: RayMALL0749, ean: 0840597140358,

4.0 out of 5 stars with 57 reviews
Brand new and high qualityIdeal for household appliances, Office, computer room, control room, cable, power cables, monitors, etc.To measure electromagnetic radiation from cell phones, computers, copiers, fax machines, air conditioners, refrigerators...


Digital LCD Electromagnetic Radiation Detector, DT-1130
Digital LCD Electromagnetic Radiation Detector, DT-1130
By JGRZF
In Stock
$45.99
$32.99
You Save: 28%

mpn: TD-1130, ean: 0713153997751,

4.9 out of 5 stars with 50 reviews
LCD display electromagnetic radiation detector highly sensitive and wide range of detectable frequency.Display readings: three semi-liquid crystal display with the maximum reading of 1999V/m.Testing frequency range: 50Hz~2000MHz.Reacting time: 0.4 se...


Alloet New Waterproof FR500 Multifunction LCD Digital Altimeter Barometer Compass
Alloet New Waterproof FR500 Multifunction LCD Digital Altimeter Barometer Compass
By Alloet
In Stock
$27.99

mpn: 8vp0py4ne7gv8, ean: 0647904438135,

Specifications: Altimeter: Altimeter range(-700 to 9000m/-2296 to 29500ft) Resolution of 1 meter/feet Max./Min. memory for altitude Altitude history and graphical display of the last 24 hour altitude readings Altitude total gain or loss 44999 meter/f...


TEKCAM Digital Handheld Anemometer LCD Display Wind Speed Meter Gauge with Backlight for Measuring Wind Speed/Temperature Wind Chill
TEKCAM Digital Handheld Anemometer LCD Display Wind Speed Meter Gauge with Backlight for Measuring Wind Speed/Temperature Wind Chill
By TEKCAM
In Stock
$19.99

mpn: TK-NW-DHALD,

FUNCTION 1.Air velocity and temperature measurement; 2.Max/average /current air velocity measurement; 3.℃/℉ temperature unit selection: M/s,Km/h,ft/min,Knots.mph; 4.Beaufort scale; 5.Backlight display; 6.Manual/auto power shut off; 7.Wind chill i...


Supco EM60 Dual-Channel Differential Digital Thermocouple Thermometer with Probes, -200 to 1300 Degrees C, -328 to 2372 Degrees F, Accuracy of + or - 0.1% of reading + 0.7 Degree C
Supco EM60 Dual-Channel Differential Digital Thermocouple Thermometer with Probes, -200 to 1300 Degrees C, -328 to 2372 Degrees F, Accuracy of + or - 0.1% of reading + 0.7 Degree C
By Supco
In Stock
$53.87
$53.43

mpn: EM60, ean: 0687152215904,

The Supco EM60 dual-input digital differential thermometer with probes is for use in applications requiring a broad range of temperature measurements including superheat measurements, food service applications, and heating, ventilation, and air-condi...


Fluke 80PK-9 General Purpose Probe
Fluke 80PK-9 General Purpose Probe
By Fluke
In Stock
$73.99
$70.95
You Save: 4%

mpn: 80PK-9, ean: 0095969078474,

4.0 out of 5 stars with 39 reviews
Fluke Corporation manufactures electrical testing tools and software for industrial and commercial applications. The company, founded in 1948, is headquartered in Everett, WA.Use as surface probe and for insertion into air and non-caustic gases. Meas...


Gardner Bender PM3000 Gardner Bender Energy Power Meter Monitor, Grey
Gardner Bender PM3000 Gardner Bender Energy Power Meter Monitor, Grey
By Gardner Bender
In Stock
$29.98
$24.41
You Save: 19%

mpn: PM3000, ean: 0032076929992,

4.1 out of 5 stars with 16 reviews
Want to save money power meter is designed to help you cut down your energy costs. The power meter is the best meter in the market - designed to easily monitor your energy consumption and help assess the efficiency of your appliances. This PM3000 mea...


NKTECH MS6208A+ Digital Tachometer Contact Type 50-19999 RPM Air Flow Anemometer Wind Rotation Speed Meter 5 Kinds of Speed Unit Accessories 100 Groups Data Logging Data Hold Tester
NKTECH MS6208A+ Digital Tachometer Contact Type 50-19999 RPM Air Flow Anemometer Wind Rotation Speed Meter 5 Kinds of Speed Unit Accessories 100 Groups Data Logging Data Hold Tester
By NKTECH
In Stock
$31.63

mpn: MS6208A+,

Features: The MS6208A+ is a contact-type digital tachometer with stable performance, high reliability and high safety performance. The core component of the meter is a compact high-speed integrated chip. The meter will display rotation speeds from ...


Kasstino Hot Electromagnetic Radiation Detector EMF Meter Tester Ghost Hunting Equipment Digital Tester
Kasstino Hot Electromagnetic Radiation Detector EMF Meter Tester Ghost Hunting Equipment Digital Tester
By Kasstino
In Stock
$11.95

mpn: FBA_KS0419,

NEW Electromagnetic Radiation Detector EMF Meter Tester Working temperature: -15¡ãC to 60¡ãC Brand new and high quality Easy to use, low cost Measurement time intervals: 0.4 seconds NEW Electromagnetic Radiation Detector EMF Meter Tester Br...


Extech 850189 Air Temperature RTD Probe For Extech 407907 (-40 to 932 Degrees Fahrenheit)
Extech 850189 Air Temperature RTD Probe For Extech 407907 (-40 to 932 Degrees Fahrenheit)
By Extech
In Stock
$96.99
$16.68
You Save: 83%

mpn: 850189, ean: 0793950851890,

4.5 out of 5 stars with 55 reviews
Expand the capabilities of your temperature meter with additional probes for a variety of different applications.7.1" L x 2.8" W x 1.3" D. 0.4 Second Sampling Time. 10 oz Weight. Large 0.5" (13mm) 4-1/2 digit (20,000 count) LCD display. 4-wire Pt-100...


NEWTRY Pneumatic Rivet Nut Setting Kit Air Pull Rivet Nut Gun Riveting Tool Riveter 1/4 (1pcs M6 head)
NEWTRY Pneumatic Rivet Nut Setting Kit Air Pull Rivet Nut Gun Riveting Tool Riveter 1/4 (1pcs M6 head)
By Newtry
In Stock
$49.00

ean: 5209561417769,

Usually the product should take about 6--13 business days to arrive your hand after your payment is confirmedIt's just a gun head. The gun head is suitable for the nut gun, if you didn't buy the nut gun, we can't be sure the gun head is suitable for ...


AC Refrigeration Kit A/C Manifold Gauge Set for Air R12 R22 R134a 410a R404z By TINGAO
AC Refrigeration Kit A/C Manifold Gauge Set for Air R12 R22 R134a 410a R404z By TINGAO
By NEW
In Stock
$99.99
$89.99
You Save: 10%

mpn: does not apply, ean: 0608651547600,

4.3 out of 5 stars with 26 reviews
Features: This AC Manifold Gauge Set is designed to test automotive air conditioning systems by comparing the "high side" and "low side" pressure reading to the vehicle manufacturer's AC system specifications. The high-pressure gauge measures compres...


MonkeyJack HT-9819 Digital LCD CFM/CMM Wind Speed Backlight Airflow Gauge Meter Thermo-Anemometer
MonkeyJack HT-9819 Digital LCD CFM/CMM Wind Speed Backlight Airflow Gauge Meter Thermo-Anemometer
By MonkeyJack
In Stock
$49.99

mpn: 135f011d6b7cc57f3e5cbab8ea8c4517, ean: 0645160899790,

Description: - 1.Display of air flow (CFM/CMM).Average 20 points, air velocity, while showing temperature - 2.Celsius temperature / Fahrenheit temperature measurement conversion. - 3.Large LCD and bright display back light. - 4.Data hold and MAX/MIN....


TestHelper SW-825 Mini Portable PM2.5 Detector,Humidity,Temperature,lithium battery,Air Quality Meter Accuracy for Indoor Outdoor Car
TestHelper SW-825 Mini Portable PM2.5 Detector,Humidity,Temperature,lithium battery,Air Quality Meter Accuracy for Indoor Outdoor Car
By TestHelper
In Stock
$62.99

mpn: SW-825, ean: 0889284090958,

Project:SW-825 PM2.5 measurement range:0-500μg/m3 PM2.5 single response time:Temperature Measurement Range:-10.0 to 50.0℃(14.0℉ to 122.0℉). PM2.5 Measurement Range:0-500μg/m3. Humidity Measurement Range:0% to 99% RH. Lithium Battery. ...


ARKSEN Manifold Gauge Colored Hose Air Conditioner Refrigerant R134a R12 R22 AC A/C
ARKSEN Manifold Gauge Colored Hose Air Conditioner Refrigerant R134a R12 R22 AC A/C
By ARKSEN
In Stock
$44.97

mpn: FBA_002-AU-20141, ean: 0846183111078,

The A/C Manifold Gauge Set is designed to test automotive air conditioning systems (using R134A refrigerant only) by comparing the "high side" and "low side" pressure reading to the vehicle manufacturer’s A/C system specifications. This A/C Manifol...


Atmotube 2.0 - Portable Air Quality Monitor. Indoor/Outdoor Air Pollution Tracker. Silver
Atmotube 2.0 - Portable Air Quality Monitor. Indoor/Outdoor Air Pollution Tracker. Silver
By Atmotube
In Stock
$99.00

ean: 0864426000224,

Atmotube constantly monitors the environment around you, measuring air pollution, detecting presence of wide range of volatile organic compounds (VOCs).Connects to your smartphone via BluetoothREAL-TIME AIR QUALITY MONITOR - constantly monitors the e...


NW DC-DC Step Down 84V-36V (30V-110V) to 12V 20Amax 240W Converter Module for Golf Cart
NW DC-DC Step Down 84V-36V (30V-110V) to 12V 20Amax 240W Converter Module for Golf Cart
By NW
In Stock
$24.99

ean: 0711420058327,

Item no. J72D12K240Z Output power(W) 240W Input voltage(V) 30-90V DC Output voltage(V) 12V DC Output Type: Single Input: Input voltage range(V) 30-90V DC Efficiency 93% Output: Output voltage range(V) VOUT: 12V DC Output current(A) 20A Voltage adjust...


MOLDetect Three Sample Mold Test Kit W/ Accredited Analysis and Consulting
MOLDetect Three Sample Mold Test Kit W/ Accredited Analysis and Consulting
By MOLDetect
In Stock
$134.98
$109.99
You Save: 19%

mpn: md3,

4.1 out of 5 stars with 28 reviews
ONLY DIY TEST KIT ANALYZED BY AN ACCREDITED LABORATORY! This reliable DIY mold test kit helps to confirm or rule out indoor mold growth and identify the mold types present (including black/toxic mold--Stachybotrys). Using custom-made sticky tapes, th...


In ZIYUN (100A MAX) Split Core Current Transformer,AC Current Sensor,Output Class Analog Sensor,Working Principle Magnetic Sensor, useful for measuring whole building electricity consumption
In ZIYUN (100A MAX) Split Core Current Transformer,AC Current Sensor,Output Class Analog Sensor,Working Principle Magnetic Sensor, useful for measuring whole building electricity consumption
By ZIYUN
In Stock
$17.68

mpn: 1, ean: 0736104519666,

Split core current transformer are sensors that are used for measuring alternating current. They are particularly useful for measuring whole building electricity consumption (or generation for that matter). This Split core current transformer is part...


GERI Volt Amp Voltmeter Ammeter 2in1 LED Digital Voltage Current Measurement Meter DC 5V 12V 4.5-30V/100A with Shunt Red +Blue
GERI Volt Amp Voltmeter Ammeter 2in1 LED Digital Voltage Current Measurement Meter DC 5V 12V 4.5-30V/100A with Shunt Red +Blue
By GERI
In Stock
$19.80

mpn: VI008-1, ean: 0636870035325,

GERI® Testing current: 0-100A,Measure range: DC4.5-30V. Operating humidity:10~80%,Operating temperature:-10~+65,working air pressure:80~106kPa. Display voltage and current simultaneously(the current is measured in the negative rail...



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