Test & Measurement Instruments

180 Degrees Stainless Steel Angle Protractor, 90x150mm

$9.68

SKU: ATO-AP-150

2 and 1 stainless steel angle protractor measurements can be adjusted in any direction from 0 to 180 degrees, size 90x150 mm. The stainless steel protractor has a wide range of applications in engineering and construction, student drafting, woodworking, and angle measurement.

Round Head Stainless Steel Angle Protractor, 90x200mm

$11.86

SKU: ATO-AP-200

The semi-circular stainless steel angle protractor is available in a measuring range of 0 to 180 degrees and comes in a size of 90x200mm. The round head angle protractor has a compact size and lightweight construction and is commonly used in construction, engineering, and carpentry.

180 Degrees Stainless Steel Angle Protractor, 120x200mm

$13.96

SKU: ATO-AP-1200

180 degree metal angle protractor is designed to be versatile and can be easily converted between different measuring units, making it ideal for a wide range of applications. With its compact design, the angle protractor is a practical measuring tool for students, craftsmen, architects and designers.

Adjustable Stainless Steel Angle Protractor, 80x120mm

$15.98

SKU: ATO-AP-A120

An adjustable stainless steel protractor is the perfect tool for all your measuring needs. This angle gauge is made from high quality stainless steel and comes in a size of 200x400mm, ensuring accurate measurements for years to come. The 180 degree protractor measures angle accurately and are the ideal tool for carpenters, engineers, and DIY enthusiasts.

Two Arm Stainless Steel Angle Protractor, 90x150mm

$19.86

SKU: ATO-AP-TA150

Buy a stainless steel protractor for woodworking, size of 90x150mm.This precision protractor is made of high quality stainless steel and features 2 adjustable arms, making it the perfect tool for professionals and DIY enthusiasts.

Digital pH Meter, Pen Type

$22.25

SKU: ATO-PHM-02

Good digital pH meter is a pen-type pH tester with a built-in highly sensitive glass electrode that can quickly and accurately test water and sewage within the range of 0~14.0 pH. Accuracy of the pH detector is 0.01pH. Yellow, blue, or orange pen-type pH detectors are available online.

Single Use Temperature Data Logger, USB, Disposable

$24.43

SKU: ATO-TDL-U02

Single use temperature data logger at low price, temperature recording range -30℃ ~ +60℃ (22℉ or 140℉), used for shipping, vaccine storage and cold chain. 30/60/90 days recording duration could be selected. Disposable temp data logger can be inserted to computer’s USB port and get PDF report directly.

Two Arm Stainless Steel Angle Protractor, 90x300mm

$29.67

SKU: ATO-AP-TA300

The two arm protractor made of high quality stainless steel, which is durable and wear resistant, not easily rusted and can be used for a long time. ATO 180 degree protractor has applications in engineering, angle measurement, student drafting, architectural design, woodworking, and length measurement.

Mini Backlight Digital Protractor, Digital Bevel Box

$29.86

SKU: ATO-DP-569L

Mini digital protractor with LCD backlight display, measuring range 0 to 360 degrees, small and lightweight, easy to carry, providing fast measurement for woodworking, construction, machinery, telecommunications, automotive and other industries.

Power Meter Plug, Power Usage Monitor

$29.86

SKU: ATO-PM-VA084

The power meter plug features an easy to read LCD display providing accurate voltage, current, power and energy readings in real time. ATO power meter socket is the perfect tool for monitoring and measuring the power consumption of your home or office equipment.

Digital Hour Meter for Industrial

$30.11

SKU: ATO-DHM-HM

Digital hour meter is designed to measure and display the accumulated operating time of a machine or equipment. This digital counter provides 100~240V AC or 220~240V AC voltage, zero key settings, suitable for home generators, industrial generators, air compressors, etc.

LCD Display Energy Usage Power Meter Plug

$31.92

SKU: ATO-PM-V016

The power meter plug is a device that helps users to monitor their electricity consumption and reduce energy consumption. The digital plug power meter is available in a wide voltage range of 230V to 250V and operates at a maximum current of 16A. ATO electricity usage monitor has a bright LCD display to monitor the power, energy, volts, amps, hertz, power factor, cost, minimum and maximum power of the user's appliances.

Plug in Digital Watt Meter, 7 Modes Display

$31.92

SKU: ATO-PM-VA086

Buy an affordable digital watt meter for calculating energy consumption costs, offering a choice of socket types. The electricity monitor has a power metering function and 7 display modes for measuring voltage, frequency, current, power factor, wattage, minimum and maximum power.

Power Meter Plug, Electricity Usage Monitor

$31.92

SKU: ATO-PM-VA079

The power meter plug features a large 3" LCD screen for easy reading of data. This power meter socket automatically calculates electricity bills while measuring the power consumption, voltage and current of the appliances used. Electricity usage monitor provides an effective way to track energy consumption, identify energy inefficiencies and reduce energy costs.

Mechanical Motorcycle RPM Gauge, 0rpm-13000rpm

$35.88

SKU: ATO-TM-MMG

Mechanical motorcycle RPM gauge features a high-quality chrome-plated stainless steel casing for durability and resistance to corrosion. A clear, easy-to-read analog dial with LED backlight enhances visibility in low-light conditions. Designed for simple installation with color-coded wires, compatible with most motorcycles. A measurement range up to 13,000 rpm ensures reliable, real-time engine performance tracking.

Adjustable Stainless Steel Angle Protractor, 200x400mm

$37.65

SKU: ATO-AP-A400

Adjustable stainless steel protractor measuring range 0 to 180 degrees, size of 80x120mm. The 180 degree semi-circular protractor offers unparalleled accuracy and durability, which makes it an ideal gift for students, craftsmen, architects and designers.

Handheld Non-contact Digital Infrared Thermometer

$39.83

SKU: ATO-ITHM-01

Cheap handheld digital infrared thermometer/ laser temperature gun offers accurate and fast surface temperature measurement ranging from -50℃ to +380℃/ +550℃/ +700℃/ +900℃ with 12:1 distance to spot ratio, easy-to-read backlight LCD display, compact size and light weight for portability, free switching between Celsius and Fahrenheit, data hold, etc.

Pen pH Detector, TDS/Temp

$39.95

SKU: ATO-PHM-EZ9901

Good price ph detector for sale, offers a TDS range of 1-19999 ppm, a pH range of 0.00-14.00, and a temperature range of 0-60°C (32-140°F). Pen type pH meter provides high precision with a resolving power of 1 ppm for TDS and 0.01 pH for pH measurements. The accuracy is ±2% for TDS, ±0.05 pH, and ±0.5°C for temperature readings.

Mechanical Counter, 5 Digit/6 Digit

$44.08

SKU: ATO-MC-001

Reliable 5-digit/6-digit mechanical counter is specially designed for manual counting. Pull-type counter, no need for batteries, clear large screen, accurate counting, high-temperature resistance and corrosion resistance, suitable for general machine tools.

Portable USB Temperature Data Logger

$45.89

SKU: ATO-TDL-U04

Portable USB temperature data logger with LCD display, shows real time digital data. PDF and CSV report can be automatically generated on the computer. Temp recording range from -30℃ ~ 60℃, this data recorder is mainly used in medical, storage, freezer and shipping.