Test & Measurement Instruments

Laser Particle Counter, 28.3L/min, 6 Channel

$4,328.69

SKU: ATO-PC-3106

Laser particle counter sampling flow rate 28.3L/min, particle size channel 0.3, 0.5, 1.0, 3.0, 5.0, 10.0mm, 122 X 90MM high resolution LCD display, can store 1000 groups of data, no data loss after power failure. Laser particle counter is widely used in medical, pharmaceutical, electronic, chemical, optical, food, cosmetic, biological products, aerospace and other industries.

Laser Tape Measure, 40m/60m

$83.32

SKU: ATO-LMT-4060

40m or 60m laser tape measure for sale online. It is equipped with a 5m tape measure, multiple unit switching and measurement modes, usually in architecture, interior design and other applications that require precise measurement.

Laser Telescope Rangefinder with Touch Screen, 800/1000/1500m

$248.49

SKU: ATO-RANGE-SWB

Buy laser telescope rangefinder with LCD touch screen at a favorable price, measuring range from 3m to 800/1500/2000m. This portable telescope distance measurer is a measuring tool that combines the principles of a telescope and laser technology to determine distances accurately, widely used in outdoor activities, construction, and surveying.

Laser Telescope Rangefinder, 3-500/1000/1500m

$159.59

SKU: ATO-RANGE-SW

Low price laser telescope rangefinder with measuring range from 3m to 500/600/700/1000/1500/2000m, is a measuring tool that combines the principles of a telescope and laser technology to determine distances accurately. This handheld and portable distance meter finds applications in outdoor activities, construction, and surveying.

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.

Leakage Current Clamp Meter with Measuring Range AC 200mA/2A/200A

$186.98 $196.82

SKU: ATO-CLAM-DT-9810

The digital current clamp meter is a special mini clamp meter for circuit leakage current and AC leakage current test. The leakage current measuring range is AC 0-200mA/0-2A/0-200A and the corresponding resolution is 0.1mA/1mA/100mA. Mini leakage current clamp meter also has special functions such as data hold, automatic power off, overload protection and backlight. The maximum jaw opening size is 1.2" (30mm).

LED Battery Charge Indicator, Lead Acid/Lithium Battery

$53.53

SKU: ATO-BI-LED

LED battery charge indicator suitable for Lead Acid, LiFePO4, and LiCoO2 batteries. Automatically detects remaining battery level on power-up. Supports 12V and 24V systems. Easy installation with screw mounting or double-sided tape. Ideal for golf carts, forklifts, RVs, and electric vehicles.

LED Stroboscope Tachometer, 60fpm-99999fpm

$178.99

SKU: ATO-TM-LS

The portable LED stroboscope tachometer accurately measures the RPM of objects and displays the results through LED strobe effects, designed for industrial and laboratory applications. The instrument has a measurement range of 60 fpm to 99999 fpm, making it suitable for checking and maintaining the RPM of various mechanical devices.

Linear Scale, 2000mm/80 inch, 3200mm/126 inch Stroke, 5 Micron

$219.76

SKU: ATO-LS-WTB

Low price linear scale stroke 50mm, 100mm, 600mm, 800mm, 1000mm , 2000mm, 3000mm are optional. Resolutions 0.5 µm, 1 µm or 5 µm. Signal output and plug types can be 9 PD TTL, 15 PD TTL, or 9 PD RS422. Good seismic performance and fast speed.

Linear Scale, 300mm/12 inch, 1000mm/40 inch Stroke, 5 Micron

$219.76

SKU: ATO-LS-WTA

High Precision digital linear scale stroke can select 250mm/10”, 400mm/16” or 800mm/32”. Resolutions 0.5 um, 1 um and 5 um. Possibility to choose the signal output and Plug type. 9 PD TTL, RS422. Pollution resistant capability is strong, good waterproof ability.

Liquid Turbine Flow Meter for Water/Oil, DN4-DN200

$699.59

SKU: ATO-FLOW-TUR

Low price turbine flow meter can be used for liquid flow measurement such as water and oil in the pipe size of DN4 ~ DN200 mm, 1.0%R measuring accuracy, 24V DC power supply, threaded or flange connection. Optional 4-20mA signal output and LCD display instantaneous flow / accumulative flow, RS485 also available. High accuracy, and good repeatability, best turbine flow meter for petroleum, chemical and other industries.

Magnehelic Differential Pressure Gauge, -500Pa~30KPa

$75.21

SKU: ATO-DPG-2000

The magnehelic differential pressure gauge, with a measurement range of -500Pa to 30kPa, offers high accuracy and reliable performance for various pressure and vacuum applications. Magnehelic manometer features a durable die-cast aluminum housing, clear calibration, and a magnetic transmission system that eliminates mechanical friction for extended service life.

Magnetic Digital Inclinometer, Dual Laser, 4x90°

$84.71

SKU: ATO-DMI-WD106

Cheap magnetic digital inclinometer delivers high-precision leveling and angle measurement. Featuring a dual-sided laser and 4x90° measurement range, this digital angle gauge offers 0.05° resolution and 0.2°~0.5° accuracy and is powered via Type-C charging. Ideal applications include appliance installation, construction projects, industrial machinery alignment, and structural engineering tasks.

Magnetic Digital Slope Inclinometer, 1 Axis ±90°, 2 Axis ±30°

$1,215.74

SKU: ATO-DMI-610

The magnetic digital inclinometer delivers high-precision angle measurement for automotive and slope applications, available in both single and dual-axis versions. The highest measurement accuracy reaches <0.005° and the resolution is 0.001°. This digital protractor inclinometer features a 64-color night light LCD, IP54 waterproof rating, and robust magnetic base for versatile mounting.

Magnetic Inclinometer, Digital Angle Gauge, 4x90°

$82.83

SKU: ATO-DMI-PT180

Precision magnetic inclinometer is a digital angle gauge that can perform absolute or relative measurements within a 4x90° range. Measurement accuracy ±0.1° or ±0.2°, high-definition display, automatic screen flip support, ABS housing. Built-in strong magnet at the bottom for easy attachment to iron objects.

Magnetic Wastewater Flow Meter, DN15/DN50/DN100-DN200

$842.03

SKU: ATO-FLOW-MAG

Magnetic flow meter or electromagnetic meters for all conductive liquids like wastewater/sewage water, nominal diameter DN15, DN20, DN25, DN32, DN50, DN100, DN125, DN150, DN200 for choice, supply voltage 110V AC, 220V AC or 24V DC, output signal 4-20mA, flange mounting, with integral and remote structure design, small pressure loss, high precision and reliability, good compatible with all kinds of pipes, etc.

Magnetic Water Flow Meter, Integral Type, DN300-DN1000

$3,277.79

SKU: ATO-FLOW-IMFM

Integral magnetic water flow meter for sale. The water flow meter supports nominal calibers DN300/DN350/DN400/DN500/DN600/DN700/DN800/DN900/DN1000, has a current output range of 4-20mA and operates with an internal voltage of 24VDC. Large diameter water flow meters with input flow rate range 0.5m/s~5m/s, are suitable for sewage/wastewater treatment.

Magnetic Water Flow Meter, Split Type PTFE Lining, DN15-DN1000

$1,098.87

SKU: ATO-FLOW-MWFM

Magnetic split water flow meter for sale, with PTFE lining, suitable for acids, alkalis, solvents, oils, fuels, and various chemicals. Many calibers available DN15-DN1000. Smart flow meter can display instantaneous flow rate, cumulative flow rate. The smart water flow meter widely used in chemical industry, chemical fiber, metallurgy, fertilizer, paper making.

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.

Mechanical Differential Pressure Gauge, -1KPa~3KPa

$60.18

SKU: ATO-DPG-200

The mechanical differential pressure gauge is a high-precision instrument designed for measuring differential pressures ranging from -1kPa to 3kPa. Featuring strong shock resistance, anti-interference capabilities, and an aluminum shell with an acrylic pane. Its easy-to-read dial and versatile mounting options make manometer gauge ideal for permanent installations.