Category: PH Test Strips
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0-9999 PPM Digital PH Meter TDS Tester Aquarium Pool Hydroponic Water Monitor
$62.76PH Test StripsAdd to cartDescriptiona. This digital pen style PH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage, etc. And, this Digital TDS Water Quality Tester is ideal for all basic water testing applications.b. This product is highly efficient and accurate due to its advanced microprocessor technology.c. Hold Function:stores …
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100PCS/Box PH Test Strips Precision 4-color Comparison 0-14 PH Measuring Drinking Water Quality Strips
$7.68PH Test StripsAdd to cart100PCS/Box PH Test Strips Precision Four-color Comparison 0-14 PH Measuring Drinking Water Quality StripsFeatures– Four colour detection, high sensitivity:compared to three-colour detection, the simple four-colour pH test strip is moderately long. Each strip is approx. 8 cm tall. Detection makes it easier for people to determine the value of the liquid tested, which allows for …
PH 1-14 Test Paper Litmus Strips PH Universal indicator Paper with Color Chart
$12.14PH Test StripsAdd to cartSpecificationComes with PH 1-14 color chart. The scale reads from 1 to 141 – 3 indicates a very acidic substance; 4 – 6 indicates an acidic substance; 7 indicates neutral; 8 – 11 indicates alkalinity; 12 – 14 indicate a very high level of alkalinity.Features1. The test strip color changes must be matched with the …
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3Pcs 0.96 inch 4Pin White IIC I2C OLED Display Module 12864 LED
$38.88Display ScreenAdd to cartFeatureOLED Driver IC:SSD1306Resolution:128 x 64Visual Angle:>160°Input Voltage:3.3V ~ 6VCompatible I/O Level:3.3V, 5VMini Size:2.7 x 2.8cmOnly Need 2 I/O Port to ControlFull Compatible , 51NoteIf you decide to buy OLED display, you must confirm that you can make it work by yourself, we’ll haven’t any technology support. Thanks for your understanding and support.Package included3 x 0.96 …
3Pcs 0.96 inch 4Pin White IIC I2C OLED Display Module 12864 LEDRead More
Micro:Bit bluetooth 4.0 Low Energy Open Development Board for Programming
$60.06Raspberry Pi & Orange PiAdd to cartOverviewThe micro:bit is an open development board that allows you to run code on it and have access to all of the hardware.You can use your micro:bit for all sorts of cool creations, from robots to musical instruments – the possibilities are endless.This little device has an awful lot of features, like 25 red LED …
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500mL 24/40 Glass Filtering Flask Lab Filtration Conical Flask Bottle Laboratory Glassware
$58.71Glassware KitAdd to cartDescription– Flasks are glass or plastic containers for storing or collecting chemical samples or solutions in scientific laboratories.– It shaped like a cone with a wide, flat base that narrows to a neck opening, which can be closed with a stopper or cap.SpecificationMaterial:Borosilicate GlassCapacity:500mLFlask Style:Filtering (vacuum)Feature– The neck is 24/40 Ground Joint.Package Included1 x Glass …
500mL 24/40 Glass Filtering Flask Lab Filtration Conical Flask Bottle Laboratory GlasswareRead More
AC 100W 40KHZ Ultrasonic Cleaning Power Driver Board with 50W 40K Transducer 220V
$98.40Driver ModuleAdd to cartSpecificationsPower:220V 100WPendulum:50W 40KHZApplies to:Low-power ultrasonic cleaning machine, household cleaning machine, ultrasonic generator built machine.Features1. The ultrasonic generator can monitor the power system frequency ultrasound power.2. According to different requirements of users, real-time adjustment of various parameters, the power, amplitude, and running time.Circuit board and vibration head (ceramic transducer) Wiring instructions1. The board can not no-load …
AC 100W 40KHZ Ultrasonic Cleaning Power Driver Board with 50W 40K Transducer 220VRead More
5pcs 3S 18650 4A 11.1V BMS Li-ion Battery Protection Board 18650 Battery Charging Module Charger Electronic DIY
$19.48Battery Protection ModuleAdd to cartSpecificationsCharging Voltage:12.6V-13VOvercharge Voltage Range:4.25V-4.35V ± 0.05VOverpressure Voltage Range:2.3V-3.0V ± 0.05VUpper Limit Operating Current:3A-4AUpper Limit Instantaneous Current:9A-10AQuiescent Current:less than 30uAInternal Resistance:less than 100mohmEffective Life:more than 30,000 hoursOperating Temperature:-40- +50 degreesStorage Conditions:-40- +80 degreesSize:53 * 16 * 3mmShort Circuit Protection:protection, delay self-recovery ApplicationsThe power range is suitable for the following products:massager battery pack, LED light standby power …
3pcs infrared Light IR Camera Control Board for Surveillance Camera Night Vision CCTV Accessories
$10.52Driver ModuleAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.SpecificationsCurrent:700mAVoltage input:12V DCVoltage output:1.7-12V DCSize:38MM * 38MMPotential:good night vision effect; rigorous design, stable performance and strong anti-interference.Use:Suitable for all kinds of infrared lamp board drive, suitable for 1-6 infrared lampFunction:It can be …