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 …
0-9999 PPM Digital PH Meter TDS Tester Aquarium Pool Hydroponic Water MonitorRead More
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 …
PH 1-14 Test Paper Litmus Strips PH Universal indicator Paper with Color ChartRead More
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M5Stack PLC-Proto industrial Board Module Contains RS485 & ACS712-5B Programmable Logic Controller
$40.53Smart ModuleAdd to cartDescription1. It contains the RS485 adapter. Can realize conversion from Serial 2(G16/17) to RS4852. Including the ACS712-5B module. By reading the electrical level of G34, can get the current value of the port.3. If needs custom made service, please kindly contact sales(at)m5stack.comPackage included1 x M5Stack PLC-Proto Kit with box
12V Magnetic Stirrer Mixer Chemicals Magnetic Mixer Home Lab Liquid Blender Equipement 1L
$48.59Solar CollectorsAdd to cartSpecificationStirring capacity:1LSpeed:0-2500RPMAllowable ambient temperature:5-40 ° CAllowable relative humidity:80%Maximum length of the stirrer:30mmInput power:3WElectrode output power:1WPower supply voltage:50HZWork plate material:polyester filmWorking panel size:85*85 (mm)Package include1X magnetic stirrer (excluding beakers and other accessories)
GY-SHT30-D SHT30 3.3V Digital Temperature and Humidity Sensor Module IIC I2C interface
$10.92Sensor & Detector ModuleAdd to cart*Note:Joint product & Provided by Hobbyant and Newchic.More document click to downdoad:SHT30FeaturesThe digital temperature and humidity sensor module uses the SHT30 chip, and the measurement data is factory corrected, linearized, and temperature compensated. With temperature and humidity alarm output and software and hardware reset function. Avoid use in volatile organic environments in order not to …
GY-SHT30-D SHT30 3.3V Digital Temperature and Humidity Sensor Module IIC I2C interfaceRead More
10pcs AC-DC 12V 2A 24W Switching Power Module Stabilivolt Voltage Regulator AC 100-240V To DC 12V
$60.45Power Supply ModuleAdd to cartDescription1. Input voltage:100-240V2. Output voltage:12V3. Output current:2A4. Output power:24W5. Operating temperature:-30 – +85→6. Size:6.7 x 4.6 x 2.5cmFeatures1. Over-voltage protection2. Over-current protection3. Short circuit protectionPackage included10 x AC-DC 12V 2A 24W switching power module
5Pcs Adjustable HIFI Speaker High and Low Frequency Divider Speaker Audio Crossover Module Board
$26.31Amplifier BoardAdd to cartFeatureFour adjustable two-way frequencyFrequency division method:passive frequency division of inductance and capacitanceCrossover point:about 2.5-4.5KHzPower:within 200WSpeaker configuration:within 15 inches of 200WInterface mode:5.0 2P terminalInterface:input *1, treble *1, bass *1Package includes5 x Frequency Divider
20pcs MQ-4B Sensor Gas Sensor CO CO2 Smoke Methane Sensor Detecting MQ Sensor DIY for Safety Detection System
$39.29Sensor & Detector 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.Overview– The gas sensing material used in the MQ-4B methane sensor is tin dioxide (SnO2) with lower conductivity in clean . When there is a flammable gas in the environment where the …
540mm 24 inch Adjustable Light LED Backlight Kit Upgrade LCD Screen to LED Monitor Module
$12.34Electronic Accessories & SuppliesAdd to cartFeaturesThis backlight strip is perfectly design for screen, high brightness, environmental protection and energy saving.LED particles closely, high-density arrangement ,import highlight LED strips.Long service life, with lifetime of 100000 hours.Easy to install, use double-sided adhesive can be attached to the display original LCD gr00ve, or elsewhere.InstallationIf your monitor is using a inverter, then this kit …
540mm 24 inch Adjustable Light LED Backlight Kit Upgrade LCD Screen to LED Monitor ModuleRead More
DC 4.2V 1200mA Smart Charger 4 Slots Fast Charging for 18650 Li-ion Battery
$30.36AC/DC AdaptersAdd to cartSpecifications1.Plug:US (We will sent you a adapter according to you country)2.Charging Cell Type:18650 Li-ion (NOT INCLUDED)4.Rechargeable Battery Qty:45.Input Voltage:AC100-240V 47/63HZ6.Output Voltage:DC 4.2V 1200mA7.With 4 LED indicators, intuitive display the charging state8.Short-Circuit Protection,High temperature resistance,corrosion resistanceNote:please pay attention to the positive and negative,put your battery in the right place or it may burn.Package Included1 x Smart …
DC 4.2V 1200mA Smart Charger 4 Slots Fast Charging for 18650 Li-ion BatteryRead More
