Test & Measurement Instruments

Digital pH Meter for Soil, Plant/Horticulture

$64.98

SKU: ATO-PHM-SGS07

Good pH meter for sale. Digital ph meter for soil and plant measures soil moisture, temperature, and pH. The pH detector handles temperatures from 0°C to 60°C (32°F to 140°F), moisture from 0% to 90%, and pH from 3 to 9. Powered by three AAA batteries, it lasts up to three months and can test soil NPK levels from 0 to 1999 mg/kg.

Digital Roller and Laser Distance Meter

$80.15

SKU: ATO-DM-X30

High accuracy roller and laser distance meter for sale online, with roller measurement range 0-99.999m and laser measurement range 0.05-30m. Digital distance meter features a handheld and small design, 3 units m/in/ft switching, Type-C port and 240mAH high-density lithium battery, suitable for flat surfaces, arcs and curved surfaces measurement.

Hanging Crane Scale 1 ton/2 ton/3 ton/5 ton/10 ton

$734.53

SKU: ATO-CRS-10T

Hanging crane scale can rotate 360° with 5-digit large digital tube display urine screen, capacity from 1000kg (1 ton) / 2000kg (2 ton)/ 3000kg (3 ton)/ 5000kg (5 ton) to 10000kg (10 ton), work temperature at 20℃~50℃. Optional unit kilograms (kg) and British pounds (lb).

Hot Wire Anemometer, 0.1~25 m/s, Thermal Anemometer

$220.45

SKU: ATO-HWA-0125

Buy a hot wire anemometer with a wind speed measurement range of 0.1~25 m/s for ATO.com. Hot wire anemometer is a type of anemometer. The thermal anemometer can measure wind speed and temperature. The 8mm probe of the wind meter can be pulled up to 91cm, easy to carry and use.

Hot Wire Anemometer, 0~20 m/s, Thermal Anemometer

$1,085.30

SKU: ATO-HWA-020

High accuracy hot wire anemometer is an instrument for measuring wind speed and temperature. Reliable handheld anemometer has a large display to show the value. There are two types of wind meter probes: NTC and thermal wind speed probe. The wind speed measurement range is 0~20m/s. Low-cost thermal anemometer is perfect for HVAC measuring.

Hot Wire Anemometer, 0~30 m/s, Thermal Anemometer

$314.24

SKU: ATO-HWA-030

Hot wire anemometer is a handheld anemometer. It is a device to measure wind speed and temperature. The wind speed measurement range of the anemometer is 0~30m/s. Buy a high-accuracy thermal anemometer with a thermal sensing probe, and stable wind speed measurement, which is a necessity for severe weather.

Hydraulic Drawbar Force Gauge for Spindle Force Test

$262.35

SKU: ATO-FG-SFT

The hydraulic drawbar force gauge is precisely manufactured from 20CrMnTi alloy steel, ensuring smooth operation, exceptional durability, and easy handling. A thickened inner and outer wall design enhances concentricity and stability, while complete specifications—including BT30, BT40, BT50, ISO20, and ISO25—offer versatile performance. Equipped with a anti-vibration hydraulic gauge, the force gauge provides accurate, stable, and long-lasting pressure measurement.

Mini Laser Digital Inclinometer With Stand

$97.88

SKU: ATO-DMI-119

Mini laser digital inclinometer with stand includes cross and linear laser alignment, providing ±40° dual axis range, 4×90° single axis. Using magnetic adsorption on the workpiece, the electronic inclinometer features ±0.3° accuracy, 0.1° resolution, and 0.1° repeatability. ATO digital level inclinometer operates within 0-40°C environments while maintaining ±5mm error at 2m distance.

Radar Flow Meter for Liquid, Non Contact, 0.1~20m/s

$1,256.89

SKU: ATO-FLOW-RAD

Radar flow meter combines advanced technology with strong environmental adaptability, suitable for non-contact measurement of liquid flow rate and water level. The wide measurement range covers 0.1~20m/s for flow velocity and up to 65m for water level. 76GHz~81GHz high-frequency signals and ±1mm ranging accuracy ensure the reliability of long-distance monitoring.

Waterproof Digital RPM Meter for Automotive/Marine, LCD Display

$62.35

SKU: ATO-TM-WD

The digital RPM meter's robust IP67 construction provides reliable waterproofing and shock resistance. Industrial-grade electronic components ensure reliable operation within a temperature range of -30 to 75°C and a wide voltage input of 9–32V. The unit incorporates a clear LCD screen for optimal readability, along with a corrosion-resistant 316L stainless steel front cover suitable for acidic, alkaline, and humid environments. Adjustable multicolor backlighting is also provided.

200m Laser Distance Meter with Camera

$865.58

SKU: ATO-DM-200C

Buy portable digital laser distance meter, 360-degree all-round horizontal range of 200 meters, digital display and equipped with a camera, can be more intuitive to help improve the horizontal, vertical, diagonal ranging accuracy, high sensitivity can be refreshed in real time.

3~200 psi Digital Tire Pressure Gauge

$52.39

SKU: ATO-TPG-200

Buy a digital tire pressure gauge at an economical price. This tire pressure gauge is available in 1/4" NTP and 1/8" NTP thread ports, measuring range from 3 to 200 psi (3 to 14 bar), with a digital LED display, which can help you monitor the tire pressure in real time.

AC/DC Current Clamp Meter 200A with NCV/Analog Display Function

$253.39 $266.73

SKU: ATO-CLAM-FC-36

AC/DC current clamp meter is a digital clamp multimeter with measuring range of AC/DC current 0-200A, AC/DC 0-600V, resistance 0-999.9Ω and NCV AC 100~600V. The maximum jaw opening size is 18mm. Current clamp meter also has special functions such as NCV, analog display, diode test, on-off buzzer, peak value hold, LED torch, zero resetting, etc.

Digital Pull Force Meter For Rivet Nut Gun

$2,529.26

SKU: ATO-FG-MXTAR800

Featuring 0-40 kN capacity and 5% accuracy, ATO digital pull force meter for rivet nut gun delivers precise force measurement. Digital force gauge provides reliable rivet nut gun testing. Repeat positioning accuracy stays within ±3%, and it offers IP67 protection. This forcemeter maintains stable performance even in harsh conditions, making it essential for reliable quality control.

Doppler Ultrasonic Flow Meter, 0.03~5m/s

$746.34

SKU: ATO-FLOW-DUPL

High precision multi-function doppler ultrasonic flow meter for sale, providing excellent measurement performance, flow rate range of 0.03~5m/s, measurement accuracy of ±1.0% +1cm/s, to meet the needs of a variety of complex fluid environments.

Gear Digital Liquid Flow Meter, G1/2"/G3/4"

$70.15

SKU: ATO-FLOW-LCDZAT

Achieve precise liquid monitoring for both residential and industrial applications with this versatile gear digital liquid flow meter. Available in compact G1/2" or G3/4" port sizes to fit various piping needs. Robust electroplated aluminum body ensures durability and high-pressure resistance. With accurate electronic pulse output, small water flow meter provides dependable data for flow measurement and control systems.

Hand Held Engine Tachometer with Hour Meter, Maintenance Reminder

$46.66

SKU: ATO-TM-HM

Hand held engine tachometer with hour meter for sale. Features maintenance reminder, 0-30000 rpm measurement, dual-button control, wrap-around inductive sensor, swivel battery replacement, backlit display, waterproof and shockproof design. Equipped with high-capacity battery and IP65 rating. Suitable for dirt bikes, ATVs, hedge trimmers, lawn mowers, and chainsaws.

Industrial Crane Scale 5 ton/ 10 ton/ 15 ton to 50 ton

$2,566.77

SKU: ATO-GWD800

Industrial crane scale with wireless control and high temperature resistant function, capacity from 5 ton/ 10 ton/ 15 ton to 50 ton, seamless steel pipe welding, high temperature resistant material inside the heat shield, good heat insulation performance. Standard RS232 output port, wireless connection to large screen. Crane weight scale with menu-based operation method, automatic data storage, data storage can reach 99 and radio frequency up to 433MHz.

pH Detector for Pool Water

$66.98

SKU: ATO-PHM-MDYLF01

Good price pool ph meter for sale. The pH detector for pool water has a pH measurement range of 5.5 to 9.0 and can measure chlorine (Cl) levels between 0.2 and 3.0 ppm. It offers a measurement accuracy of 0.1 with a resolution of 0.1. The detector operates on a 1.5V power supply and is made from durable ABS material.

Pressure Gauge Calibrator for Digital/ Vacuum/ Hydraulic

$745.56

SKU: ATO-PGC-600

The pressure gauge calibrator is a precision instrument designed for accurately testing and calibrating general pressure gauges and mechanical pressure switches. It supports pressure testing up to 60MPa and vacuum testing down to -0.08MPa. Pressure calibrator ensures easy operation and high calibration accuracy, making it ideal for maintenance and quality control in various industrial applications.