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Test & Measurement
AC/DC Mini Clamp Meter with NCV/TRMS/Temperature/Capacitance
$106.39
$118.21
SKU: ATO-CLAM-220D
The mini digital clamp meter is a AC/DC clamp multimeter with TRMS/NCV/temperature/capacitance functions. It can be used to measuring AC/DC current 0-100A, AC/DC voltage 0-600V, resistance 0-20MΩ, frequency 0-100kHz, capacitance 0-100mF and temperature -50℃~+1000℃ (-58℉~1832℉). The maximum jaw opening size is 22mm.
Active High Voltage Differential Probe
$2,021.19
SKU: ATO-HVDP-6000
Buy active high voltage differential probe online at an economical price, with bandwidth from 70MHz to 200MHz, and common mode voltage from 700V to 7000V. This active high voltage differential probe is used for measuring high-voltage signals of the oscilloscope with precision and safety.
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.
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.
Air Particle Counter for Clean Room, PM2.5/PM10
$498.76
SKU: ATO-PC-9600
Portable particle counter for cleanrooms, detects concentration PM2.5/PM10, with data logging function and storage for 999 sets of data. ATO cleanroom particle counters are used to measure the number of dust particles as well as temperature and humidity, and they can also determine the amount of dust, smoke, or other harmful contaminants in the air.
Air Quality Monitor for Home, PM2.5/HCHO/TVOC/AQI/PM1.0/PM10
$128.53
SKU: ATO-AIR-DM103
Light and compact indoor air quality monitor can detect PM2.5, HCHO, TVOC, AQI, PM1.0, PM10, multiple functions yet simple operation. With big LCD screen, real-time display and easy to read. Built-in large capacity Li-battery, the meter is capable of working for a long time. Low price and high quality.
Air Quality Monitor, CO/ CO2/ Temperature/ Humidity
$156.54
SKU: ATO-AIR-PT04
Air quality monitor used for detecting CO, CO2, voltage, temperature as well as humidity, with accurate CO, CO2 concentration. Air quality sensor installed with carbon monoxide, carbon dioxide exceeding the standard display and advanced NDIR infrared sensor. Resolution 1PPM and Input Voltage DC 5V/ 1A. Indoor air quality monitor usually apply in private cars, taxis, trucks, school buses, online car-hailing cars, official cars.
Air Quality Monitor, PM2.5 Detector
$110.20
SKU: ATO-AIR-825
Buy a smart air quality monitor online. This is a professional PM2.5 detector that uses a laser particle sensor, and USB charging and monitors PM2.5, humidity & temperature simultaneously in real-time, good choice for indoor or outdoor air quality detection.
Alcohol/Brix Refractometer for Wine/Beer Brewing
$80.27
SKU: ATO-ARM-6032
Alcohol/brix refractometer price is affordable. It is a portable digital refractometer with various models. Alcohol refractometer can measure alcohol gravity with range 0~80%. Beer refractometer can measure brix scale of 0~40% and wort specific gravity of range 1.000~1.130. Wine refractometer has a dual measurement range of alcohol and brix, alcohol range 0~25%, and sugar range 0~40%. Fruit wine refractometer can measure 0~14 °Oe (Oechsle) and 0~27 KMW Babo.
Ammonia (NH3) Monitor, 0 to 50/100 ppm
$433.99
SKU: GD800-NH3
Portable Ammonia NH3 detector for sale at a favorable price. It is a handheld gas monitor to detect NH3 gas leak, with optional measuring ranges of 0-50ppm and 0-100ppm. With the diffusion sampling method, this NH3 tester is ideal for personal and home use.
Aquarium pH Meter with Temperature Compensation
$103.56
SKU: ATO-PHM-295
Buy ATO aquarium pH meter temperature compensation. Measures pH from 0.00 to 14.00 with ±0.1 accuracy and 0.01 resolution and measures temperature from -5.0°C to 60.0°C with ±0.5°C accuracy. It features a backlit 44x26mm screen, 180 cm pH probe, and 195 cm temperature probe. The pH detector supports temperature compensation and operates in 0°C to 50°C environments with up to 90% humidity.
Argon Gas Flow Meter, 0~2/20/100L/min
$455.63
SKU: ATO-FLOW-AMS
The argon flow meter covering the range of 0~2L/20/100L/min is available for sale, with internal alarm function and RS485/1~5V/4~20mA output options. Equipped with LCD display for reading display, the detection status is clear at a glance.
Auto Range Multimeter, True RMS, 1000V/20A DC
$94.26
SKU: ATO-MLT-19B
Low price smart digital multimeter for sale online. It is a multimeter tester designed for voltage/resistance/capacitance/resistance measurement. 1000V 20A auto range multimeter desired for beginner, with 5999 max display, diode testing, triode testing, NCV test, true RMS, data hold, low battery indication, overload protection, etc.
Benchtop pH Meter for Water Quality, pH/ORP/TDS
$195.88
SKU: ATO-PHM-26C
Benchtop pH meter for water quality sold at a discount, has wide test range pH from 0.00 to 14.00, EC from 0.00 to 19.99 mS/cm, ORP from -1999 to 1999 mV, CF from 0.0 to 199.9 CF, temperature from 0°C to 100°C, and TDS from 10 to 19990 ppm. The pH detector is ideal for applications in laboratories, water treatment facilities, hydroponics, and environmental monitoring.
Benchtop pH/Ion Meter
$1,937.69
SKU: ATO-PHM-I300F
Purchase economical price benchtop pH/ion meter online for ISE electrode. This portable pH/ion meter is a versatile instrument used for measuring the acidity or alkalinity of a solution (pH) and specific ion concentrations. It finds applications in various fields, including chemistry, biology, environmental science, and quality control.
Benchtop pH/Ion/ORP Meter
$2,716.19
SKU: ATO-PHM-I600L
Buy a favorable price benchtop pH/Ion/ORP meter online for ISE electrode. This ion/pH detector is a versatile laboratory instrument designed for measuring and monitoring the acidity (pH), ion concentration, and oxidation-reduction potential (ORP) of aqueous solutions, which is widely used in chemistry, biology, environmental science, and quality control.
Benchtop Sodium Ion Meter
$1,016.19
SKU: ATO-PHION-DWS51
Cost-effective benchtop sodium ion meter for sale online. It is a laboratory instrument designed for precise measurement of sodium ion concentrations in aqueous solutions. This ion meter employs ion-selective electrodes (ISEs) that selectively respond to sodium ions, generating a measurable electrical potential.
Benchtop Solid Density Meter for Glass/Rubber/Foam, 0.001g/cm³
$747.95
SKU: ATO-DENSITY-SJG
Buy a benchtop solid density meter online with a density accuracy of up to 0.001 g/cm³ and a weighing range of 0.01-300g or 0.01-600g. It can easily test materials such as blocks, particles, films and floating bodies. Solid density meter is widely used to measure the density of irregular solid materials such as glass, rubber and foam.
Bicycle Spoke Tension Meter
$59.53
SKU: ATO-TM-STT-01
The bicycle spoke tension meter measuring tool is made of aluminum alloy material, sturdy and not prone to deform, and durable for long time use. This bike spoke tension meter is used to build or repair wheels, and diagnose wheel problems.
Bilateral Laser Distance Measure Meter, 120/200m
$128.44
SKU: ATO-DM-B120
The high precision bilateral laser distance measure meter is for sale at a good price, the unique bidirectional datum of the bidirectional laser makes it unnecessary to bend down to measure no matter horizontal or vertical measurement, 120/200m is optional, and the back of the distance measure meter adopts the magnetic design, it can be easily adsorbed on the metal surface such as steel column handrail, convenient and space-saving.
Test & Measurement
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