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    Digital Panel Meter for Displacement Sensor 4 Digit

    $164.62
    SKU: ATO-DPM-DS4D
    Single channel digital panel meter cooperate with all kinds of analog output sensor and transmitter, realize measurement, conversion, display, transmitting, record and control, zero clearing at any time.

    Digital Panel Meter for RTD/Pressure/Level Sensor, Double 4 Digit

    $97.88
    SKU: ATO-DPM-USD4D
    Intelligent digital panel meter has double 4 digit LED for PV and SV display. Digital display controller also has optional fuctions of 2 alarms, 1 transmit analog signal or RS485/232 output, additional power supply (DC 24V) for sensors. Digital panel meter can be used for various sensors and transmitters, such as temperature sensor (themocouple B/S/K/E/T/J/R/N type and RTD Cu50/Cu100/Pt100), pressure sensor, flow sensor, level sensor, displacement sensor (0-500Ω/0-350Ω output), transmitter (0-20mA/4-20mA/0-5V/0-10V output).

    Digital pH Meter, Online Test pH/ORP of Water/Food

    $205.68
    SKU: ATO-PHCON-PH4
    Digital pH/ORP meter can be used with various pH electrodes or ORP electrodes to realize online testing and monitoring of pH (0~14) / ORP (-1000~1000mV) / temperature (0~100℃/32~212℉) of sewage, corrosive solution, liquid medicine, beer, drinking water, food, etc. Online pH meter can be connected to digital panel meter/VFD/PLC/recorder (4-20mA output), or connected to computer for remote monitoring and recording (RS485 communication). Digital pH meter can also be connected with alarm relays and solenoid valves to form a simple pH process control system.

    Digital Rotational Viscometer, 1-100000 mPa.s

    $986.15
    SKU: ATO-VISCO-5S
    Digital rotational viscometer has the viscosity measuring range 1~100,000 mPa.s and accuracy ±2%. The viscometer comes with spindles 1#, 2#, 3#, 4# (Optional 0# rotor for under 10 mPa.s viscosity), rotating speed 6/12/30/60 RPM, LCD display with resolution 0.01 mPa.s. Stable rotating speed, accurate & fast measurement, simple operation and competitive price, best for low and medium viscosity samples.

    Digital Timer Relay, 8 Pin, 24V DC/110-240V AC

    $92.58
    SKU: ATO-TIMER-TH100
    Digital timer relay / countdown timer, on-delay timer, features timing setting range 0.01~9999 second / minute / hour, with supply voltages 85V-265V AC (110-240V AC) or 24V DC, 4-digit LED dual time display, easy to read, wide time delay range and high timing accuracy. 8-pin timer relay, available with 8-pin mounting socket for DIN Rail, easy to install.

    Digital Wood Sawdust Moisture Meter, Pin Type, LCD Display

    $189.46
    SKU: ATO-MM-TK100W
    Handheld wood moisture used for measuring sawdust, bamboo powder, measuring range 0-80%, pin type, LCD display. Humidty 5-90%, high sensitivity sensor, accuracy and reliability.

    Electrical Conductivity Meter for Water, 200mS/cm, DC 9V

    $476.19
    SKU: ATO-CDTYM-200
    Electrical conductivity meter with a conductivity electrode (K=1) has measuring range 0~200mS/cm, power supply DC 9V, accuracy ±1.0%FS. It also has functions of automatic celebration, automatic temperature compensation and automatic storage. Electrical conductivity meter can be used for conductivity monitoring of various liquids in laboratory.

    Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm

    $754.13
    SKU: ATO-GAS-NH3-A
    Fixed ammonia gas detector is used to detect the concentration of NH3 with selectable measuring range of 0 to 50/100/200 ppm. NH3 detector with sound and light alarm and real-time display, signal output 4-20mA, or RS485, high accuracy, high reliability and low price.

    Fixed Carbon Monoxide (CO) Gas Detector, 0 to 100/500/1000 ppm

    $486.77
    SKU: ATO-GAS-CO-A
    Fixed CO gas detector monitors the carbon monoxide concentration and sounds the alarm with remote control, selectable measuring range 0-100ppm, 0-500ppm or 0-1000ppm. CO gas detector has signal output 4-20mA or RS485. Compact design, high accuracy, fast response, high reliability and favorable price.

    Fixed Combustible Gas Detector, 0 to 100%LEL

    $526.67
    SKU: ATO-GAS-EX-A
    Combustible gas detector is fixed to detect the flammable gas leakage and gives the alarm with sound and light. With real-time display and remote control, flammable gas detector is available with signal output 4-20mA, or RS485, fast response and high accuracy.

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

    $486.77
    SKU: ATO-GAS-H2S-A
    Fixed H2S gas detector is 24 hours online to detect the hydrogen sulfide and gives sound and light alarm with measuring range from 0 to 50 ppm, 0 to 100 ppm, or 0 to 500 ppm. High accuracy and reliability hydrogen sulfide detector has real-time display and infrared remote control with optional output signal 4-20mA or RS485.

    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 Color Meter, Caliber 4mm

    $384.61
    SKU: ATO-CM-SWS1
    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 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.

    Handheld Spectrophotometer, Caliber 4mm/8mm

    $5,168.75
    SKU: ATO-CM-SWF3B
    Professional handheld spectrophotometer with large digital LCD display, 4mm/8mm caliber, measuring fast and accurate measurement, light weight and portable colorimeter device.

    Handheld Ultrasonic Pipe Thickness Gauge, Through Coating

    $952.38
    SKU: ATO-UM-1
    Handheld ultrasonic thickness gauge, 1mm~100mm measuring range with standard probe, 0.1mm or 0.001 inches resolution, 1000~9999m/s (0.0394 to 0.3937in/μs) material velocity range, LCD dislpay with backlight, able to storage 500 thickness readings. Portable ultrasonic thickness tester, easy to use, designed to measure the thickness loss of pipes after corrosion, also available with through paint coating function.

    Home Air Quality Monitor, PM2.5/PM1.0/PM10/CO2/TVOC/Temperature/Humidity

    $315.92
    SKU: ATO-AIR-DM601
    Best home air quality monitor for sale. Multifunctional detector for measuring PM2.5/PM1.0/PM10, CO2, TVOC, Temperature and Humidity. AQI data can also be displayed on the screen. Other functions like time, calendar and alarm clock are included. Large capacity rechargeable battery, 24-hour real-time monitoring, high accuracy, easy operation and affordable price.

    Indoor Air Quality Monitor, PM2.5/PM1.0/PM10/HCHO/TVOC/TEMP/HUM

    $276.92
    SKU: ATO-AIR-DM108
    Favorable price indoor air quality monitor can perform 24-hour real time monitoring PM2.5, HCHO, TVOC, PM1.0, PM10, Temperature and Humidity. The air meter also support time, calendar and alarm clock functions. With four independent sensors, high accuracy and fast response. Large LCD display, showing real-time air quality readings. Light and portable, easy to use.

    Insulation Resistance Tester, 100V/250V/500V/1000V

    $176.15
    SKU: ATO-IRT-UT501A
    Low price megger insulation tester, offers test voltages of 100V/250V/500V/1000V, insulation resistance test range from 0.00 MΩ to 5.0 GΩ, also support AC voltage measurement of 30V~750V, high accuracy and stable performance, with easy-to-read LCD display, ideal for testing the electrical equipment such as transformers, motors, cables, etc.