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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OpenMV 25mm Ultra Long Focal Lens M12 Ultra-long-range Machine Vision for OpenMV 342 M7 M4 Special
$27.26Smart ModuleAdd to cartTechnical ParametersFocal Length:25mmAperture:F2.0Format:1/3inchMount:M12*0.5FOV:H = 9.1°, V = 6.8°IR Cut Filter:NoneWeight:5gLength:14mmWidth:14mmHeight:20mmFeatureThis lens gives your OpenMV Cam the ability to see longer distances (e.g. zoom in). The standard lens that ships with your OpenMV Cam has a 115° field-of-view (FOV) which allows your OpenMV Cam to see more things, but, with less detail. This lens has a …
5pcs 6V 1W 60*110mm Polycrystalline Mini Solar Panel Epoxy Board for DIY Learning
$27.09Smart Robot & Solar PanelAdd to cartSpecifications– Model:60*110mm– Type:Epoxy Solar Panel– Maximum power:1W– Working current:0-160MA– Working voltage:6V– Open circuit voltage:7.2V– Short circuit current:0.2A– Number of batteries:12pcs– Dimensions:110*60mm– Polycrystalline:Yes– Reference weight:about 0.020KGPackage included5 x Solar Panel
5Pcs BESTEP 1 Channel 24V Relay Module 30A with Optocoupler Isolation Support High And Low Level Trigger
$27.66Relay ModuleAdd to cartDescriptionThe module adopts high quality 30A relay, and the maximum load is normally open interface:AC 250V/30A, DC 30V/30A;The chip optocoupler isolation, strong driving ability, stable performance, trigger current 5mA;Module working voltage:24VCan be set up by high jumper or low level trigger.Fault-tolerant design, the relay will not operate even if the control line is disconnected.Power indicator …
50ml Horticulture Natural Concentrated Liquid Fertilizer for Plants Flowers Grasses Succulent
$9.83Lab ChemicalsAdd to cartSpecificationName;Concentrated Liquid FertilizerUsage:Suitable For Plants Flowers Grasses Succulent and so on.Nutrient Content:NitrogenPhosphorus:Potassium Oxide:Magnesium Oxide:Sulphur (g/l):30:15:17.5:1.3:1.7Featurea Improves seed germination and increases root development.b Increases bloom set and size of flowers and fruit.c Relieves stress in plants caused by extreme weather conditions.d Increase overall plant healthe Increases plant vigor and growthf Rebuilds soilg Improves drought toleranceh Improves …