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 …
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Solar Powered Floating Bird Bath Water Fountain Pump Pond Pool Water Pump
$42.51Electrical Pump & ValveAdd to cartDescriptionThis product is solar-powered decorative fountain.It is made up of highly efficient solar panel and new brushless pump.IT is start-up fast,efficient and strong stability.In addition,it has no electric outlet or external battery,so it’s not only easy to use,but also safe.This product is suitable for bird bath,fish tank,small pond,garden decoration,water circulation for oxygen,etc.FeatureSolar panel:7V/1.4WBrushless pump input:DC4.5-10VMaximum …
Solar Powered Floating Bird Bath Water Fountain Pump Pond Pool Water PumpRead More
Vibration Switch Sensor Module Vibration Sensor Alarm Module Smart Car Accessories
$4.36Sensor & Detector ModuleAdd to cartFeatures 1. Onboard LM393 voltage comparator chip and vibration sensing probe2. Support 5V/3.3V voltage input3. Onboard signal output indication, the output valid signal is low level and the indicator light is on, the output signal can be directly connected with the single chip IO4. The sensitivity of signal detection can be adjusted5. With 3mm screw …
Vibration Switch Sensor Module Vibration Sensor Alarm Module Smart Car AccessoriesRead More
TPA3116 Dual Channel 50Wx2 Digital Amplifier Board
$23.15Amplifier BoardAdd to cartSpecificationPower amplifier chip:TPA3116Power supply voltage:11 ~ 26VDC DC input with limit reverse polarity protection(Recommended DC 24V current 3A and above switching power supply)Output power:stereo 50W + 50W, PBTL monaural 100WLoad impedance:4 to 8 ohms (horn speaker impedance)Audio input:2.54mm3 pin seatPackage Included1 x Digital Amplifier Board
5pcs Geekcreit 3 in 1 AC 60-500V 100A Square Yellow LED Digital Voltmeter Ammeter Hertz Meter Signal Lights Voltage Current Frequency Combo Meter indicator Tester with Round CT
$48.24Electronic Accessories & SuppliesAdd to cartDescriptionDisplay:Voltage, current, frequencyDisplay color:YellowMeasuring voltage range:60~500V AMeasuring current range:6~100AMeasuring frequency range:20-70HzSize:2.8*5cm/1.10inch*1.97inch (D*H)Note:Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!!Package included5 x 22MM Indicator5 x Round CT
5pcs Nano V3.0 Terminal Adapter AVR ATMEGA328P without NRF2401+ Expansion interface DC Power Board
$38.18Expansion Board & ShieldAdd to cartFeature1. The item is a terminal expansion adapter, working very well for prototyping Nano projects2. There are pins expansion hole for the NANO board, which can directly lead the pins; With DC power supply interface, you can directly add external power or battery to supply power3. With NRF2401+ expansion interface, you can insert NRF2401+ to …