Category: Chemistry
Showing 49–64 of 112 results
6Pcs 40 Hole High-Vis Optic Pattern Pickleball Balls for Game Practice Training Toys
$22.26ChemistryAdd to cartSpecificationsMaterial:PPHole:40 holesColor:High visibility optic Orangediameter:7.4cm/2.91′[Conversion:1cm=0.3937 inch, 1inch=2.54 cm]Features– 40 precision molded holes allow the ball to fly at the right speed for outdoor play, and with a durable and rigorous build.– Exceptional seam welding offers greater durability and resists splitting.They also have thick walls to increase the life span in rough outdoor conditions.– Our pickleballs …
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7 in 1 Professional LCD Water Quality Tester PH ORP EC CF TDS Testing Meter
$334.11ChemistryAdd to cartFeaturesRangePH:0.00-14.00PH℃:-50℃-70℃EC:0.00-19.99ECCF:0.0-199.9CFTDS:10-19990ppmmV:0-±1999mV(PHT-027)ResolutionPH:0.01PH℃:0.1℃EC:0.01ECCF:0.1CFTDS:10ppmmV:1mVAccuracyPH:±0.1PH°C:±1.0°CmV:±0.1% F.S±1digitEC, CF, TDS:±2% F.SOperating Temperature:0-50°CAutomatic Temperature Compensation(ATC):0-50°CThis all in one meter can measure ORP(MV), pH, CF, EC, TDS(PPM) °F and °CIt has built-in rechargeable battery with large tri-Screen LCD Display3 results displayed simultaneouslyOption for mounting or hanging with quick and easy installationWall-mounted design for easy installation, operation and maintenanceEquipped with rechargeable batteries, power can …
7 in 1 Professional LCD Water Quality Tester PH ORP EC CF TDS Testing MeterRead More
96Pcs Chemistry Bulb Type Molecular Model Kit and Organic Chemistry Atom Bonds
$24.29ChemistryAdd to cartnullDescriptionThis set includes 96 pieces of durable and fine quality plastic components, virtually indestructible, and come in a sturdy plastic case for storage.SpecificationModel:J3112 Material:PP (atomic), LDPE (connection key), ABS (box)Features– The organic chemistry curriculum, the organic molecular structure model, stick type molecular structure model, can take a variety of common and more complex C, H, …
96Pcs Chemistry Bulb Type Molecular Model Kit and Organic Chemistry Atom BondsRead More
Acrylic Clear Plant Pet Feeding Tank Empty Box Reptile insect Breeding Box Cage Decorations
$101.24ChemistryAdd to cartSpecificationMaterial:AcrylicColor:ClearAssembled:YesHeight:29.5cmFeatures– Clear view for observing their daily routine– Top with feeding hole, this is more humane design– Suitable for turtle, spiders, snakes, scorpions, hermit crabs, etc.– With large and comfortable space for them to play or have a rest in the tank.– Durable plastic structure and breathable holes, you do not worry the pet can …
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Air Fryer Rack Accessories for GoWise Power AirFryer Cozyna Chefman BBQ Grill
$32.59ChemistryAdd to cartSpecificationsMaterial:Stainless SteelColor:SilverFeatures– Easy to use, convenient for cooking.– Steel metal rack holder, maximize yor cooking surface.– 4pcs steel skewers for double layer use.– Heat-resistant mat, protect your desktop.– Fits for NuWave Brio Phillips 3.2-6.8L air fryer.Package Included1 x Rack Holder(With 3 skewers)1 x Cleaning Brush1 x Net1 x Mat1 x Recipe Guide(Air Fryer is not …
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Architecture Plan Design Drawing Template KT Soft Plastifc Ruler Building formwork Drafting Stencil
$12.14ChemistryAdd to cartSpecificationMaterial:K Plastic (Soft Plastic)Type:Building Formwork, Architecture House Plan DesignLength:19.8cm Width:9.8cmFeatures– Made from transparent orange, soft plastic. More flexible than traditional green plastic, can be bent and not easy to break. – The rate of transparency allows you to see the drawing below template for easy positioning.– The templates eliminate the time consuming job of building …
Automic-Test Cyclotest Watches Tester Watch Test Winder Machine
$103.26ChemistryAdd to cartDescriptionsa Automic Test Cyclotest Watches Testerb his machine is for automatic watches testing and watch winder tool.c It can hold 6 watches with bracelet on the 6 arms at the same time.d It can be used in horizontal or vertical position, and it usually takes about one minute for 4 revolutions, with stable performance.e It …
Automic-Test Cyclotest Watches Tester Watch Test Winder MachineRead More
Beginners T-Ball Set Kid’s Child’s Baseball Sports Games Educational Toys Gift
$31.86ChemistryAdd to cartFeature-Bring home a fun beginners T-Ball Set for your little one to enjoy.-Durable materials and safety tested as appropriate for use by kids.-Features a large purple baseball bat and adjustable height tee for different sized kids.-Ideal for physical and active play to get your little one moving.-Perfect for playing in the backyard or park.-Best gift …
Beginners T-Ball Set Kid’s Child’s Baseball Sports Games Educational Toys GiftRead More
Big Circle Round Circular Drawing Template KT Soft Plastic Ruler Design Drawing Board
$20.24ChemistryAdd to cartSpecificationMaterial:K Plastic (Soft Plastic)Type:Circle, Circular Length:25cmWidth:14.4cmFeatures– Made from transparent, orange plastic. The rate of transparency allows you to see the drawing below template for easy positioning.– Assorted sizes of 7 different big circles, from φ46mm to φ70mm.– The templates eliminate the time consuming job of drawing outlines with line dividers– Easy for decoration art design, …
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Biological Microscope Monocular Lab Science 100X 400X 1200X Educational Kids Toy
$36.44ChemistryAdd to cartSpecifcationName:Children’s microscopeMaterial:ABS (Acrylonitrile Butadiene Styrene plastic)Magnification:100X 400X 1200XSize:approx.22*13cmSuitable for age:Above 3 Power:2xAAbatteries(not included)Focusable:YesApplicationMicroscopes are widely used in lab research, biology, metallurgy, engineering, chemistry, manufacturing, and in the medical, forensic science, and veterinary industries. Beginner compound microscope provides with high magnification for children and kids. This beginner microscope kit, forward-facing rotating turret with 100x, 400x and …
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Ebyte E810-DTU(CAN-ETH) Smart Protocol Conversion GPRS Modem Modbus to TCP/IP CAN Bus Ethernet interface Modbus RTU Gateway
$96.54Smart ModuleAdd to cartSpecificationItemsDescriptionInterfaceEthernet:RJ45, 10/100MbpsCAN:1*5*3.81, ScrewingNetwork protocolIP,TCP/UDP, ARP, ICMP, IPV4Simple transparent transmissionTCP Server,TCP Client,UDP Server,UDP Client,Cloud transparent transmissionData Packing MechanismByte packing and time packingTCP Server connectionSupporting up to 6 TCP connectionsIP accessStatic IP,DHCPDNSSupportCAN Transmit baud rateA total of 15 baud rates from 6Kbps-1000KbpsCAN filtering modeUp to 8 filtration modesCAN data layoutProtocol formatParameter configurationWeb page configurationWorking current82mA@12VVoltage8V~28VDC,Over 28V may …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger Module
$4.36Battery Protection ModuleAdd to cartSpecificationProduct name:Lithium Battery Charging BoardInput voltage:5VMaximum charging current:1000 mACharge cut-off voltage:4.2 V + / – 1%Battery overcharge protection voltage:2.5 VBattery over-current protection current:3 AInput interface:micro USBSize:27mm x 17mmHow to Use1. Input port with micro 5pin USB female, can directly use mobile charger for input to the lithium battery,and still retain the input voltage wiring solder …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger ModuleRead More
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double Channel
$77.83Amplifier BoardAdd to cartFeatures– Working Voltage:6-18V DC– The onboard TDA7297 audio power amplifier chip, double channel 15WX15W– Speaker for European 4-8 10-50W use– Main pin has led chip, convenient external control device, the onboard– 5.08 (mm) distance between two p terminal 2 road, around a track connection output respectively– The onboard dial potentiometer, output size can adjust the …
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double ChannelRead More
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control Module
$20.57Smart ModuleAdd to cartFeatureSeries:ESP32Model:ESP32-+MicroType:Regulator ICPower:1WApplication areas:household appliances, smart home, wearable devices, Internet of Things IoTDescriptionsESP32 vcc range:2.2V-3 6VVBAT:direct to battery (and charger)VUSB:direct to USB(5V)VCC:Output of regulator 3.3V/600mAUp to 250mA during RF transmissionsWirelessWifi:802.11 b/g/n/e/iWPA/WPA2/WPA2-Enterprise/SPSbluetooth:bluetooth 42BLESize:1.9×1.3cm/0.75×0.51inchNotePlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the …
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control ModuleRead More
50Pcs 915MHz SW915-TH12 Copper Spring Antenna for Wireless Communication Module
$28.90Module ComponentsAdd to cartFeaturesSW915-TH12 copper spring antenna is a special antenna for 915MHz wireless communication system design. The antenna has good standing wave ratio, compact shape, ingenious structure, convenient installation, stable performance and good anti-vibration and aging ability.SpecificationFrequency range:915 MHz (+/-5)Standing wave ratioInput impedance:50Maximum power:5WGain:2.15 dBiWeight:1gHeight:12.5+/-1 mm (9T)Antenna color:copperInterface Form:Direct WeldingPackage included50 x Antenna
5Pcs 360 Degree Rotary Encoder Module Encoding Module
$11.83Other Module BoardAdd to cartFunctional characteristics and technical parameters 1)Nominal voltage:DC 5V 2)Wire A, B:0.5mA (Max 5mA; Min 0.5mA) 3)Common wire:1mA (Max 10mA; Min 0.5mA) 4)Temperature range:-30→ to+80→ 5)Output signal A , B phase position output square wave, when clockwise rotation, A phase position pull ahead B phase position 90 °, when anti-clockwise, B phase position pull ahead A …
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RD21F Delay Relay Module Power for Delay off Fan Module AC 100V-220V Time 0.2S-300min Adjustable Delay
$13.11Relay ModuleAdd to cartSpecificationsVoltage:100V-220V ACPower consumptionOutput:The output voltage is the same as the input voltage, and the maximum power supply capacity is 10A.Size:88* 36 * 22mmScrew hole:center distance 83mm * 31mm, aperture 3.2mmTime range:(4 files, selected by switch)First gear:range 0.2 seconds-30 seconds, accuracy:0.1 secondsSecond gear:range 0.2 seconds – 300 seconds (5 minutes), accuracy:0.3 secondsThird gear:range 0.2 seconds-30 minutes, …