Best Automatic Calibration

Testex Coarse Minus Grade (0.5-1.0 mils / 12-25 microns), Roll

【Lightweight & Portable】Lightweight and portable, this wall‑mounted detector is cordless, small in size, and easy to carry around for measurement..
【Usages】The detector can easily detect wood, beams, metal nails, pipes or steel behind wall, floors or ceilings..
【Indicating Signal Design】Indicating signal design, this wall detector has LCD backlight display and sound indication, you can clearly know the thickness of the detection..
【Automatic Calibration】Automatic calibration. This wall detector can automatically calibrate all detected objects with high detection accuracy..
【Low Battery Indicator】Low battery indicator, the wall-mounted detector will have a low battery warning screen to avoid the embarrassment of a dead battery..

Check Stock

VIVOSUN 3-in-1 Digital pH Meter with ATC, ±0.1 pH Accuracy Water Quality Tester, 0-14.0 pH Measurement Range for Hydroponics, Household Drinking, Pool and Aquarium

【Value Combo Set】3 in 1 TDS & EC & temperature (blue)+ digital LCD pH meter (yellow). Products are protected by packing box which is easy to carry and store indoors..
【Automatic shutdown function】The meter is equipped with automatic shutdown function, it will automatic shut off if there a period of time inactive to help you save on battery power..
【Accurate reliable & low power consumption】Ruolan digital tester with Big Backlit LCD, which is high-definition screens can quickly read the data and built-in intelligent detection system and sensitive sensor to ensure the accuracy of the numerical. Our products are designed with low power consumption of separated electronic bin, products use two button batteries, which is used for a long time and easy to replace..
【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data..
【How to use calibration】Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4, and 9.18 to complete the calibration..

Check Stock

GZAIR Smart Wi-Fi Indoor Air Quality Monitor, Data Logger, PM2.5, PM1.0, TVOC, CO2 Detector, Temperature & Humidity, Real-Time Data via App

6 IN 1: Measure PM2.5, PM1.0, TVOC, CO2, Temperature, and Humidity, with a sensitive laser particle sensor, laser TVOC sensor, and accurate NDIR CO2 sensor. .
Automatic & Manual Calibration: Offer two calibration modes, Manual Calibration, and Automatic Calibration. We have calibrated it manually in the factory, and it can automatically calibrate during the detection..
Wi-Fi Enabled & APP Smart Control: Smart PT02 can connect to the Internet, works seamlessly with Tuya App, Set alerts, receiving air quality measurements anytime and anywhere..
Wireless IoT Controller: Create a Smart Scene in the Tuya app, make PT02 control the Smart home appliances. First, you should add Smart PT02 and other Smart home appliances to Tuya APP. Then set the conditions. The PT02 monitor will activate Smart Fans, Air Purifiers, or other appliances in response to changes in your home’s air quality..
Supports RS485/Relays Signal Output: The RS485 port and Relay port are located on the rear of the device. And the RS485 supports data export. The Relays can control the appliances directly (This function is only recommended for professional personnel or engineers.).

Check Stock

APERA INSTRUMENTS Premium Series PH8500 Portable Handheld pH Meter Kit AI5520

Take lab-grade pH/mV measurements in a quick and easy manner.
IP57 rugged structure design for in-field use and the foldable stand supports use as a benchtop meter.
Automatic multi-point calibration with slope data display, due calibration reminder, and last calibration date check.
Auto/manual data logging with GLP data management (500 sets of data storage) and USB data output.
Self-diagnosis ensures the meter will be properly calibrated and guides you on how to fix common problems.

Check Stock

Ph Meter, 4 in 1 TDS/PH/EC/Temp Water Quality Tester Pen, 0.01 High Accuracy Digital Ph Tester, Water Quality Tester for Household Drinking, Pool and Aquarium, Ph Tester

The smallest pH pen with reliable testing performance for regular liquid e. g. pools, hydroponics, aquaculture, cooling towers, beverage making, body fluid, etc..
Slim replaceable probe, suitable for test tubes.
Intelligent functions: switch from ˚F to ˚C, automatic power-off, pH probe invalidation reminder (remind you to replace the probe for better performance).
Complete kit: 3 types of premixed calibration solutions (4, 7, 10) and storage solution (3M KCL) all in one portable case.

Check Stock

Pen-Type Digital Salinity PPM Temperature Waterproof Tester Meter for Salt Water Pool and Koi Fish Pond

3-in-1 meter! Measure total dissolved solids, salinity, and temperature of water sample with just one device..
Functions: Large LCD double reading display with temperature compensation function.
wide range of measurement and a variety of measurement units can be selected..
Multi-point calibration design, automatic calibration with one button.
indicator lamp with insufficient battery capacity..
This tool is also perfect for testing water in swimming pools, hydroponics, water treatment businesses, and other related industries..

Check Stock

Digital Brix Refractometer, ACEGMET Automatic Temperature Compensation Brix Refractometer Range 0-53%, ±2 PSU Accuracy, 1 PSU Resolution Brix Meter

The measurement of refractive index is simple and quick and provides the user an accepted method for sugar content analysis. Samples are measured after a simple calibration with steam distilled water. Within seconds the instrument measures the refractive index of the brix. This digital refractometer eliminates the uncertainty associated with mechanical refractometer and is easily portable for measurements in the field.
It is easy to use with simple three button operation and fast with a response time under 3 seconds. Easy to clean, stainless steel sample well with unit rated to IP65 as “dust tight” and protected against water jets. Ideal for winemakers, brewers, fruit and vegetable growers, maple syrup producers, and food producers..
This handheld refractometer is small, light and simple to use as optical refractometer, but with the precision of a digital readout. They read samples as small as 0.3 ml. Sample temperature is initially displayed on the TFT screen followed by the measurement results. They have easy-to-read LCD that eliminates the possibility of interpretation errors..
SM20 digital brix refractometer is commonly used in the food and beverage, agriculture and wine industries. Fruit farmers will use a refractometer to check the sugar conte....

Check Stock

Linestereder PH Meter Digital Water Quality Tester Testing Range 0.00-14.00 Ph Great for Household Drinking Pool and Aquarium High Accuracy Pen Type PH Test Water.

⛪ [ Accurate PH Tester Digital ] PH meter use sensitive glass bulb electrode sensor that can quickly and clearly read accurate PH values in the....
⛪[ PH Meter Automatic Calibration ] PH meter has an automatic calibration function that can be adjusted according to water temperature and quality,....
⛪ [ Automatic Temperature Compensation] PH meter has a built-in temperature sensor. When the temperature of the sample solution is different from....
⛪ [ Extensively Tested kit ] Conveniently fits in your pocket or bag and goes anywhere. PH meter is ideal option for families and laboratory testing....
⛪ [ Package Includes ] Come with 1x PH meter, 1x user manual, 2x 1.5V LR44 button cells(build-in), 3x PH Buffer Powders. The enclosed detailed....

Check Stock

Extech DO700 Portable Dissolved Oxygen Meter

Measures dissolved oxygen concentration/saturation, pH, mV, conductivity, TDS, salinity, resistivity and temperature.
Automatic salinity compensation and manual barometric pressure compensation for DO measurements.
One button pH calibration (4, 7, and 10pH).
Choice of 3 point pH calibration for better accuracy.

Check Stock