Test & Measurement Instruments

Double Clamp Earth Resistance Tester, 0 to 300kΩ

$1,446.46

SKU: ATO-ERT-300k

Multi-digital earth resistance tester provides a 0.00Ω~300kΩ range, large LCD display, a large-capacity rechargeable lithium battery pack, and a USB interface for data upload. Double clamp on ground resistance tester is suitable for measuring ground resistance, DC resistance, soil resistivity, ground current, and ground voltage. Several resistance testing methods for selection.

Dust Particle Counter, 2.83L/min, 6 Channel

$1,998.67

SKU: ATO-PC-3016

Dust particle counter flow rate 2.83L/min (0.1cfm/min), particle size channel 0.3/0.5/1.0/3.0/5.0/10.0μm. Dust laser particle counter with multiple functions, high measurement accuracy, fast response time, and easy to carry. A dust particle counter is the ideal machine for the HVAC system, medical equipment production, clean operating room, and car painting inspection.

Electrical Multimeter for Voltage/Resistance/Capacitance

$80.14

SKU: ATO-MLT-33

Portable manual range digital multimeter is a repair of ideal tool family, school, smelting, telecommunications, manufacturing, oil, defense, power, and chemical industry. It is a 10A electrical multimeter, 1999 max display, designed for AC/DC current, AC/DC voltage, resistance, and capacitance.

Electronic Weighing Scale Indicator for Truck/ Weighbridge

$222.79

SKU: ATO-WI-A12E

Electronic weighing scale indicator features selectable backlight modes and a built-in 6V/4.0AH maintenance-free battery, providing an ultra-bright red LED display for clear reading, strong vibration resistance, internal code display, and low-voltage protection. Ideal for electronic truck scales, platform scales, and weighbridges.

Gas Mass Flow Meter, Air/N2/O2/CO2, 0~50/120/300/800L/min

$2,046.79

SKU: ATO-FLOW-MF5000

Affordable price gas mass flow meter. Rating pressure 1.5 MPa, flow range 0~50/120/300/800L/min for selection, output signal 4-20mA/RS485/pulse 0~5VDC, power supply DC 8~24V, working current 50mA. Small gas flow meter with digital display, applicable gas air, nitrogen (N2), oxygen (O2), Argon, carbon dioxide (CO2), etc.

Handheld Air Quality Monitor, PM2.5/HCHO/TVOC/Temperature/Humidity

$176.89

SKU: ATO-AIR-DM106A

Handheld air quality monitor for sale, supports multiple detection PM2.5/PM1.0/PM10, AQI, formaldehyde (HCHO), TVOC, temperature and humidity. The air quality meter features light and portable, large LCD display and high-capacity rechargeable lithium battery, high accuracy but low cost, best for home, office and car.

Handheld Ammonia (NH3) Gas Detector, 0 to 50/100/500 ppm

$828.16

SKU: GD200-NH3

Low price handheld pumping-type gas detector provides the Ammonia (NH3) gas leak monitoring with high accuracy sensor, audible and visual alarm, optional measuring range 0 to 50ppm, 0 to 100ppm, 0 to 200ppm, 0 to 500ppm etc., LCD display, easy readout, small & portable design, convenient to carry.

Handheld Carbon Monoxide (CO) Gas Detector, 0 to 500/1000/2000 ppm

$398.76

SKU: GD200-CO

Handheld carbon monoxide (CO) detector use high accuracy sensor, pump suction type, selectable measuring range of 0 to 500 ppm, 0 to 1000 ppm, 0 to 2000 ppm, gas leak alarm with audible, visual and vibrating, compact size and light weight, long working time, easy to carry and operation.

Handheld Color Meter, Caliber 4mm

$384.61

SKU: ATO-CM-SC-10

Handheld color meter for the paint, plating and coatings industries, caliber 4mm, clear digital LCD display, comfortable price and high quality. The best colorimeter can accurately and quickly measure the reflected color and chromatic aberration.

Handheld Concrete Rebar Scanner

$591.29

SKU: ATO-CRS-ZL610

Handheld concrete rebar scanner is a portable reinforcement bar detector designed for non-destructive testing of reinforced concrete structures, measuring range from φ6 to φ50mm, with data storage and rechargeable lithium battery. This rebar locator and scanner enable on-site inspections, ensuring the safety and durability of concrete structures by facilitating accurate assessment of rebar conditions.

Handheld Digital Lux Meter, 0~199999 Lux

$178.96

SKU: ATO-LM-383S

Handheld digital lux meter with a light measurement range of 199999 Lux, 1 Lux resolution and a high sensitivity sampling rate of 0.5S. The smart sensor lux light meter features coated filter technology and a dedicated light source calibration to ensure fast and accurate results and save time.

Handheld Digital Solar Power Meter, 1999W/m2

$348.96

SKU: ATO-SPM-2061

Handheld digital solar power meter is a special instrument for measuring solar power in the field, with a measurement range of 1999 W/m2, 634 BTU/(ft2xh), a resolution of 1 W/m2, 1 BTU/(ft2xh), and a digital display with 3 1/2 digits. The solar power meter can measure solar power in different directions and angles as well as the solar penetration of individual materials.

Handheld Digital Vane Anemometer, 0.4~30 m/s

$98.08

SKU: ATO-DVAM-0430

Digital vane anemometer for measuring wind speed. Wind speed measurement range 0.4~30 m/s, air volume 0~9999 CFM, optional test items air temperature/dew point temperature/wet bulb temperature/humidity, power supply 3*1.5V AAA batteries. Handheld wind speed meter from professional manufacturer, low price, handheld, portable.

Handheld Digital Vibration Meter, Bearing Vibration Tester

$673.07

SKU: ATO-VIBRO-UT315A

Factory price vibration tester equipped with a magnetic chuck, used for vibration measurement of mechanical equipment. It is easy to hold and use. The vibration meter is widely applied to mechanical manufacturing, electric power, metallurgy, and other industrial measurements. A digital vibration meter is an ideal tool for equipment condition monitoring.

Handheld Dust Particle Counter, 0.3μm/1μm/5μm

$1,736.98

SKU: ATO-PC-3016H

Portable air particle counter is a machine used to detect the number of dust particles and their distribution per unit volume in a clean environment. ATO high precision dust particle counter particle size channel 0.3, 0.5, 1.0, 3.0, 5.0, 10μm, optional external printer, compact size and convenient to carry.

Handheld Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/500 ppm

$478.96

SKU: GD200-H2S

This pump-type single gas detector is suitable for detecting the leakage of hydrogen sulfide (H2S), with a range of 0-50ppm, 0-100ppm, 0-200ppm, 0-500ppm etc., for options, and gives light, sound and vibration alarm. Favorable price and high reliability.

Handheld Laser Particle Counter, PM2.5/PM5/PM10

$2,289.76

SKU: ATO-PC-1000

PM 2.5 handheld particle counter is used to detect the number of dust particles per unit volume in a clean environment, with switchable mass detection and quantity detection modes, 4000mA rechargeable battery ensures the durability of the laser dust counter. A dust particle counter is widely used in the operating room, food hygiene, cosmetics, blood products, pharmaceutical manufacturing, and other industries.

Handheld Metal Detector, 4-4.5 cm Distance of Sensitivity

$101.26

SKU: ATO-HMD

High quality and reasonable price handheld metal detector for sale online. Detection surface of metal detector for 360° detection of all directions. Water resistant of metal detector to water depths of 5-8 meters. Hand held metal detector for wooding working and treasure hunting.

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.

Handheld Smart OTDR Fiber Tester

$1,307.69

SKU: ATO-OTDR-FC290

Handheld smart otdr fiber tester for sale, optical time domain reflectometer price low, with 4 inch LCD touch screen, 800 * 480 pixels. Wavelength 1310/1550nm, smart otdr tester can accurately and quickly detect the location and type of fiber failure.