ReviewsPocket sized Tester

KETOTEK Digital Water TDS Meter PH Meter PPM Tester has TDS-EC-Temp 3-in-1 and ±2% Accuracy PH Tester with 0-14.00PH and 0.01 Accuracy TDS PH Meters for Aquariums Water Hydroponics RO System

COST-EFFECTIVE PRODUCT PARTNER AND MORE WATER QUALITY INFORMATION CAN BE TESTED. It would be more economical and convenient than purchasing it....
WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9999ppm and ±2% accuracy, TDS meter can also test the liquid temperature in....
AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and digital PH meter both have the function of Auto-off, it will automatically shut off after 5....
AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital TDS tester and PH tester both have the function of ATC, the measuring data won’t be influenced....
SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you....

Check Stock

Brake Fluid Liquid Tester, Auto Brake Diagnostic Testing Tool, Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 LED Indicators, Auto Brake Diagnostic Testing Tool for DOT3 DOT4 Brake Fluid

PROTECTS YOU & YOUR CAR : Check the health status of DOT3, DOT4 car brake fluid, Brake Fluid Tester Pen can be used as a digital brake fluid tester suitable for determining brake fluid quality. It will be safe for your driving.
EATY TO USE : Press the button , Insert the tester into reservoir for one second then the tester result will be correctly indicated by LEDs.Repress the button for power off..
5 LEDS : 5 LED display lights the percentage of moisture content in the brake fluid, as the test results are more accurate.
USEFULL : Supports DOT3 DOT4 DOT5 brake fluid ..
EASY TO CARRY : Small size ,you can take it in pocket , take 1 AAA 1.5V battery. automatic shutdown after about 15 seconds of inactivity.

Check Stock

VIVOSUN Digital PH Meter, 3-in-1TDS EC and Temperature Meter, Plant Soil MoistureTester Combo for Home, Garden and Hydroponics

...asy to read the LCD screen and write with the hold function.
3-in-1 Soil Tester: Tests soil moisture, light, and pH—just press one button to switch modes.
This tester can test soil moisture so you know when to water your soil.
Use this tester to rapidly grow and garden more efficiently.
Easy to Use: The pH meter is pocket-sized, lightweight, and easy to use and read—it even comes with a backlight so you can use it in darker areas.
The large LCD screen and save function on the TDS Meter make reading and recording a breeze.
The 10.8-inch Soil Tester is durable and easy to carry around, plug, and use and no batteries are required.
Versatile Application: Testing TDS and pH would greatly benefit your homes, labs, aquariums, swimming pools, hydroponics, and drinking water—it’ll save you money while protecting your health.
The 3-in-1 Soil Tester can test soil moisture, light, and pH, and the results will help inform you how to improve plant health.

Check Stock

JondKeile Breathalyzer Accurate Detection Portable Breath Alcohol Tester, Tester with Led Display for Personal or Pofessional

...In addition, when the breathalyzer to test alcohol is out of power, there will be a battery replacement notification function, so you can use it with confidence..
✔️EASY to CARRY: The breathalyzer is light and small in size: 4×1.2×0.8 inches, it is simple and reliable, it can be carried anytime, easily in your pocket or purse. The breathalyzer tester is a must-have for your outing party..
✔️WHERe to USE:The breathalyzer has a wide range of uses and can be used by roadside law enforcement officers, medical workers and professional therapists, as well as to test yourself, friends, family, and the breathalyzer tester is the tool of choice at home..
✔️GUARANTEE for YOU: Our breathalyzer has undergone strict testing and is committed to providing you with first-class quality assurance. If you have any quality problems with the portable breath alcohol tester or are damaged during transportation, please contact us in time and we will solve it for you as soon as possible question..

Check Stock

GemOro Testerossa Talking Diamond Moissanite & White Sapphire Tester Silver

Size of Diamond Tester Pen: The gemstone tester pen dimensions are 6.6 Inches long, 1.6 Inches wide, and 0.8 Inches thick. The portable diamond tester....
Detection Way: The tester indicates genuine diamond or fake, the jewelry tester meter is designed and manufactured according to the thermal....
Result Indicator of Diamond Reader: With diamond gem tester you will be able to know in a few seconds whether an item is fake or not, there are the....
Easy to Operate Jade Jewelry Tester: Simple calibration for stones of various sizes the jewelry tester silver and diamond tester are easy to use even....
Wide Uses of Electronic Diamond Tester: The diamond tester professional tester is mainly used for industrial purposes, circuit boards, and printing,....

Check Stock

Measureman Non-Contact Detector AC Voltage Tester Pen 12-1000V/48-1000V Dual Range with LED Flashlight Live/Null Wire Judgment

Non-contact: Just place the tip near a terminal strip, outlet, or supply cord. It will send out multiple alarms through sound and light. Red means....
Dual range: The Voltage Tester Pen has the dual testing range. You can press the S button to adjust sensitivity (12-1000V/48-1000V AC)..
LCD display and LED light: Bright LED flashlight ensures clear views in dark and narrow spaces. The tester pen with LCD display, easily to get the....
Low power consumption: Auto power-off feature conserves and extends battery life..
Portable design: Pocket-sized, pen hook allows you to carry it in your pocket..

Check Stock

PAGOW 10pcs Multimeter Test Hook Clip, Electrical Testing Colorful Test Grabber Probe, for Testing Electronic Components Mini Grabber Clips

...n warn you to replace the battery in time, while the LED light allows operation even in dark environment..
Auto Power Off Tester -The electrical tester operated with 2 x 1.5V AAA batteries(not included), auto power off after no operation for 3 minutes to save energy. Lightweight, durable construction with convenient pocket clip, a perfect handy tool for electricians or daily use..

Check Stock

Non-Contact Voltage Tester Pen - Dual Range AC Voltage Tester 12V/48V-1000V, Live/Null Wire Circuit Detection Tester Breakpoint Finder Electrical Outlet Voltage Detector, Measure AC Circuit Tester

... you work well in dim environment, ac cable voltage tester is equipped with light point locating function can be used to indicate long distance lines. When the voltage checker tool battery is lower than 2.4V or the current detection pen does not operate for 5 minutes, it will automatically shut down to save energy. Pocket-sized electric test pen with a pen hook, which is very convenient to carry.
Efficient: Our live wire voltage tester can be used to test circuit breakers, lighting fixtures, switches, sockets, etc. anywhere you need it with a long press of the red button for 2s. Dual range detector pen is very suitable for electricians and home users, when voltage exceeds 90V, the socket voltage detector will issue a high voltage alarm and the safety symbol on the screen will light up, NCV probe voltage detector is an efficient tool to help home appliance repair and circuit inspection.

Check Stock

Riiai 2-in-1 Digital Oscilloscope & Transistor Tester, Real-time 2.5MS/s Sampling Rate 200kHz Bandwidth, 2.4 inch TFT Color Screen, PWM Square Wave Output, Diode Voltage Continuity Tester

...t, 0-24V Zener diode measure and etc..
⭐【2.4 Inch TFT Screen & 1500mah Rechargeable Battery】--- The transistor tester adopts a built-in 1500 mah battery that will get fully charged within 1-2 hours via a 5V/2A adapter and can work for 4 hours(Finish Green Indicator/Charging Red Indicator). The digital handheld pocket oscilloscope and transistor tester are designed with a high-resolution 2.4-inch TFT screen with an adjustable backlight. Better reading experience and easy to use..
⭐【Multiple Interfaces & Easy to Operate】--- The pocket oscilloscope can test different functions that supports multiple interfaces screen display. With press button design, it is more convenient to operate and choose the different test function mode. Pocket size and lightweight feature provide users with more possibilities and fun in using the portable storage oscilloscope..
⭐【Wide Application】--- The digital oscilloscope supports online operation with a computer that users can refresh the official firmware by themselves and complete the upgrade. It is especially suitable for the fast pairing of transistors, identification of mixed surface mount and wordless components, and preliminary screening of small-batch components. It can auto-identify and measure variou....

Check Stock

Duokon Digital LCD Screen Alcohol Breath Tester Portable Keychain Breath Analyzer With 10/20/50/pcs Mouthpieces(10pcs Mouthpiece)

High test progress ---- Alcohol tester is equipped with advanced semiconductor oxide alcohol sensor, which can display alcohol concentration in a few seconds and test your blood alcohol concentration (BAC) more quickly..
Automatic alarm function ---- Once the test result is higher than 0.05% BAC or 0.5g / l, the alcohol tester will give an audible alarm. If there is no operation, it will power off within 2-3 seconds after the test to save energy..
Easy to read ---- the backlit LCD display makes night vision much easier and gives you professional precision for safe driving..
Pocket-size & Portable ---- The alcohol test with key chain is small and lightweight. It weights 61.4g and size .112 * 68 * 22mm. Easily fits in your bags and pockets, perfect for on-the-go..
Guaranteed driving safety ---- For the safe driving and riding of you and your family, this high-precision alcohol tester is your smart choice, which will help prevent drunk driving and safe travel, analyze blood alcohol concentration anytime and anywhere. To ensure safe driving..

Check Stock

Linkidea Hard Battery Storage Container Organizer Box with Tester BT-168 Safe Carrying Battery Case Holder - Holds 63 Various Sizes AA AAA 9V C D Batteries with Battery Tester

Battery organizer storage case with tester is made of hard EVA material, with good water-resistant and shockproof to keep batteries from shock. Avoid....
Battery holder detachable insert foam with well-cut holes fits different-sized batteries snugly, also can tightly fix all batteries in the groove,....
Battery case holds 4*D, 4*C, 24*AAA, 21*AA, 4*9V, 6* Button Battery, and one universal digital battery tester, mesh pocket on the other side can hold....
Battery Storage Container Dimensions: 8"7/8(205mm) x 7"3/4(197mm) x 3"(77mm).
Package Contents: Battery Organizer X 1, Battery Tester X 1 (Batteries NO Included ).

Check Stock