Test & Measurement Instruments

Smoke & Gas Detector for Home, Combustible Gas Alarm

$58.26

SKU: ATO-SD-SR918

Home smoke and gas detectors for sale, with combustible gas detection functions. Supports AC 90~240V, equipped with an alarm sound of up to 85dB, and can be used together with solenoid valves. Models with display screens can be selected, and voice alarm function can also be optionally provided.

Smoke & Gas Detector with Digital Display, Combustible Gas Alarm

$53.85

SKU: ATO-SD-SR902-2

Factory price smoke and gas detector for sale online, equipped with a clear LCD display, capable of monitoring smoke and combustible gases such as natural gas and liquefied gas. Its alarm sound is up to 90 decibels and supports AC90~240V power input.

Smoke & Oxygen (O2) Detector, Temperature/ Humidity/ Wifi

$213.77

SKU: ATO-PT05

Smart smoke detector alarm tests O2, temperature, humidity. Connection with smart doodle app and data Logger. Nest smoke detector show oxygen value on LCD display with adjustable backlight. Remote controlled by Tuya, as well as auto detect/mute function. The built-in lithium battery can work for 12-14 hours without charging. High quality of fireproof ABS material. Usually apply for living room, dining room, office, taxi, and car.

Soap Film Flow Meter for Gas Volume

$835.64

SKU: ATO-FLOW-HM

Soap film flow meter designed for gas volume measurement, suitable for 0.1~30L/min multi-range selection, measurement accuracy better than ±1%, suitable for laboratory and industrial testing use, the price is affordable andcost-effective.

Soil pH and Moisture Meter with Temperature

$74.69

SKU: ATO-MM-00LY201

Soil ph and moisture meter sold at a low price, detecting temperatures from -10°C to 90°C, humidity from 0% to 90%, and pH levels between 3 and 9. With high resolution (0.1°C for temperature, 1% for humidity, and 0.1 for pH). Ideal for applications in home gardens, greenhouses, and agricultural fields.

Soil Resistivity Tester, 0 to 30kΩ

$924.77

SKU: ATO-ERT-30k

Factory-price soil resistivity tester is designed for measuring ground resistance, soil resistivity, and ground voltage on-site. It is also a digital earth resistance tester, with a 0.00~30000Ω large range, suitable for electric power, telecommunications, meteorology, oil field, construction, lightning protection and industrial electrical equipment.

Sonic Belt Tension Meter

$476.98

SKU: ATO-TM750

Cheap price belt tension meter with measuring range of 0~750N for sale online. The tension meter has colored LED indications of High, Low, and OK. This belt tension tester measures belt tension by analyzing the harmonic characteristics of a vibrating belt.

Sonic Tension Meter, 10-680 Hz

$668.25

SKU: ATO-TM680

Good price high quality sonic tension meter is a instruments for measuring belt tension, which with a 10-680 Hz measuring range, can store 20 sets of belt parameters, and the probe can be adjustable. The belt tension meter is an optically measuring maintenance tool for determining the belt tension force, a small impulse on the belt is sufficient to set the belt vibrating.

Sound Level Meter, 17 to 132 dB

$2,876.98

SKU: ATO-SLM-5661-1B

Buy cheap price sound level meter online, for measuring noise from 17 to 132 dB, digital LED display, class 1 sound level meter can be used to detect areas such as schools, hospitals and residential buildings. With its compact and portable design, the noise measuring device is easy to use on the go and is an essential tool for professionals who need to monitor noise levels on a regular basis.

Sound Level Meter, 20 to 143 dB

$7,868.99

SKU: ATO-SLM-6292

The sound level meter can read readings between 20 dB-143 dB, 4.3-inch large touch screen, rich and clear interface, IP65, waterproof and dustproof design. The digital sound level meter has its own map positioning function and adopts the latest data encryption technology to ensure data safety and effectiveness.

Sound Level Meter, 25 to 140 dB

$3,998.65

SKU: ATO-SLM-5661-3

Class 1 sound level meter for sale, RS-232 digital output interface, data logging, measurement range from 25 dB to 140 dB. ATO sound level measuring instrument is widely used for industrial noise measurement and environmental noise measurement of various machines, vehicles, ships, electrical appliances, etc., especially for measuring impulse noise.

Sound Level Meter, 28 to 133 dB

$7,998.68

SKU: ATO-SLM-5688

Sound level meter with GPS, bluetooth, recording function, data storage 3 MB, measuring range 28 dB～133 dB, accuracy ±1.0, 2.6 inch color screen display, resolution 240×320, brightness can be adjusted. Portable sound level meter has the advantages of accurate reading and easy to use.

Sound Level Meter, 30 to 130 dB

$2,689.59

SKU: ATO-SLM-5636-4

Class 2 sound level meter with data logging, measuring range 30 to 130 dB, digital sound noise level meter has the advantages of high reliability, good stability, wide dynamic range, and no range conversion. Whether you are in the field or in the office, this sound level meter is the ideal solution for noise level monitoring.

Sound Level Meter, 40 to 130 dB

$523.49

SKU: ATO-SLM-5636

The compact digital sound level provides accurate noise level readings in decibels over a measurement range of 40 to 130 dB and a frequency range of 20 Hz to 12.5 kHz. ATO sound measuring instruments have a wide frequency range and A/C weighting. Whether you are in the field or in the office, this sound level meter is the ideal solution for noise level monitoring.

Sound Level Meter, 45 to 160 dB

$2,876.98

SKU: ATO-SLM-5661-1C

Professional class 1 sound level meter is an instrument used to measure noise in the range of 45 dB to 160 dB, digital display 128×64 LED dot matrix. Its user-friendly interface allows for quick and easy configuration, with adjustable settings to suit different applications.

Spoke Tension Meter

$50.92

SKU: ATO-TM-SF-400

The cheap bike spoke tension meter is made of aluminum alloy material which is not easily deformed and is durable. The bike spoke tension meter is used to build or repair wheels, and diagnose wheel problems.

Spring Pull Force Gauge Meter, 200g-10000g

$86.88

SKU: ATO-FG-TK

Spring pull force gauge meter is an industrial-grade precision instrument for measuring tension and compression forces, available in multiple models with capacities from 200g to 10,000g and a convenient tare button for simple, intuitive operation. The force gauge features a robust metal construction, a finely engraved laser-etched scale for exceptional accuracy and clarity and delivering reliable performance for quality control, manufacturing, and research laboratory applications.

Spring Tension Force Gauge, Stainless Steel, 10N-1000N

$72.35

SKU: ATO-FG-LTZ

Spring Tension Force Gauge is a durable stainless steel mechanical tester for sale at ATO store, designed for both push and pull force measurement. With a wide measuring range from 10N to 1000N, offers high accuracy, easy operation, and clear scale readings, making the tube dynamometer ideal for laboratory testing, industrial inspection, and quality control applications

Square AC/DC Hour Meter, Resettable

$71.18

SKU: ATO-SHM-RS

Square AC/DC hour meter offers accurate and reliable timing, with automatic data storage. Its inductive design enabling precise engine monitoring without complicated operation. The hour meter is resettable, allowing easy manual reset when needed. A built-in low-power battery ensures 5-year stable performance, dependable in both harsh outdoor conditions and daily use.

Stainless Steel Differential Pressure Gauge, 0-60MPa

$85.29

SKU: ATO-DPG-100

This stainless steel diaphragm differential pressure gauge is a high-precision instrument designed for reliable and intuitive pressure measurement in demanding environments. Featuring a durable all-stainless-steel construction, a dual-needle and dual-tube design for accurate readings, and a clear, easy-to-read dial, it excels in applications such as petroleum, chemical, pharmaceutical, and food and beverage industries.