Category: Laboratory Thermostatic Devices
Showing 1–16 of 72 results
-30-0-30A Galvanometer Scientific Current Sensor Sensitive Ammeter Electric Current Detector Analog Display
$34.41Laboratory Thermostatic DevicesAdd to cartDescription-30-0-30µA Galvanometer Used for Detecting and Measuring Electric Current in Physics Experiment and TeachingSpecificationMaterial:Plastic + Electronic ComponentSensitive Range:-30-0-30μASize:133x97x100mmAccuracy:≤5%ApplicationEnvironment Temperature:0℃+40℃Relative Humidity:≤85%Features1. Simple pointer zeroing, high accuracy, easy operation and sensitive to detect electric current.2. It can be widely applied in education, laboratory and scientific applications and industrial areas.3. The transparent protective shell can prevent it from …
0~20% Handheld Brix & Beer Wine Sugar Fruit Wort Refractometer Test Tester
$66.81Laboratory Thermostatic DevicesAdd to cartSpecificationsMeasuring Range:w/w 0-20%Minimum Divisions:w/w 1%Accuracy:±1%Length:16CMWeight:109GHeavy duty (Durable Aluminum)Features* This refractometer is design according to the principle that different concentrations liquid have different refractive index ,with quick and accurate characteristics.* Automatic temperate compensation, the temperature of the water sample will not effect the reading.* Aluminum construction heavy-duty and Light weight, small volume, convenient to carry.* Soft …
0~20% Handheld Brix & Beer Wine Sugar Fruit Wort Refractometer Test TesterRead More
1.8 inch TFT LCD M328 Transistor Tester Diode Triode Checker Capacitance Meter MOS LCR ESR
$60.74Laboratory Thermostatic DevicesAdd to cartSpecificationColor:Black+GreyMaterial:PCB + PlasticDisplay:1.8inch TFT Color DisplayShutdown Current:20nAPower supply:DC9V 6F22 Battery(not included )Size:(L)X(W)X(H) 135X70X24mm /5.31inchX2.76inchX0.94inch(appr.)Automatic IdentificationTransistors, diodes, dual diode, MOS,SCR,resistors, inductors,capacitors, capacitor ESRTesting RangeRange of Transistor:Less than 2 (included 2) transistor which is made up of PN junction. Do not have any other resistance components in the interior.Range of Resistance Testing:0.5Ω-50MΩRange of Inductance Testing:0.01mH-20HRange of Capacitance …
1.8 inch TFT LCD M328 Transistor Tester Diode Triode Checker Capacitance Meter MOS LCR ESRRead More
10x15cm Electronic PDLC Smart Glass EGlass Switchable Emagic Electroch Film
$66.81Laboratory Thermostatic DevicesAdd to cartDescription10x15cm PDLC Smart Glass EGlass Switchable Emagic Electroch Film,can Tear down the back paper ,and stick on your wall.SpecificationColor:Translucent WhiteMaterial:Plastic, Glass FilmA4 Size:100mm x 150mm / 3.9inch x 5.9inchPower Supply:2Pcs 1.5V AA Battery (Not Included)Smart Glass has an unlimited number of uses, including but not limited to1. Office / meeting room / reception room/ private …
10x15cm Electronic PDLC Smart Glass EGlass Switchable Emagic Electroch FilmRead More
2 in 1 Folding Digital LCD Angle Finder Ruler Stainless Steel Ruler 360 Degree Protractor
$42.51Laboratory Thermostatic DevicesAdd to cartSpecificationsMaterial:Stainless Steel + PlasticSize Range:0-300mmMeasuring Range:0-360°Resolution:0.05°Accuracy:±0.3°Repeatability:0.05°Battery:1 * 3V CR2032 Lithium Battery (Built-in)Features ACCURATE & Fast:Calculating angles quickly and accurately, digital display clearly TWO SCALE DISPLAY:Both measure the angle and length, metric and imperial scale 360° MEASUREMENT RANGE:Stable locking function can lock the measurement at any angle INTELLIGENT & SAVE POWER:Automatically shut down after 6 minutes …
2 in 1 Folding Digital LCD Angle Finder Ruler Stainless Steel Ruler 360 Degree ProtractorRead More
2.4 Handheld industrial Borescope inspection 8.0mm Probe Waterproof Camera
$134.37Laboratory Thermostatic DevicesAdd to cartFeatures[Stable and easier]- No needs to be connected with your phone via wifi, makes it easier to detect, diagnose, and solve inspection problems[Viewing in Big Screen] – Easy observation, with crystal clear output, offers the capability to stream digital video directly to a PC.[Four monitoring mode] – 2.4inch color LCD monitor for detailed images plus …
2.4 Handheld industrial Borescope inspection 8.0mm Probe Waterproof CameraRead More
20X Magnifier Magnifying Eye Glass Loupe Lens Jeweler Watch Repair Tool LED Light
$22.26Laboratory Thermostatic DevicesAdd to cartSpecifications1. Multiple:20X2. Light source:LED diode3. Weight:77gApplicable range– Industrial purpose– Circuit board and printing industry– Medical science– Gardening– Education– Geography– Home and officeFeatures– Turn on the LED light if insufficient light– Magnifier can be overturned freely– Multiple:20X– 2 CR1620 batteries can completely ensure the voltage required by LED lamp– LED lamp has enough brightness and can …
20X Magnifier Magnifying Eye Glass Loupe Lens Jeweler Watch Repair Tool LED LightRead More
220V Active Oxygen Anion Ozone Generator Air Water Purifier Ozonizer Hanging
$68.89Laboratory Thermostatic DevicesAdd to cartDescription220V Active Oxygen Anion Ozone Generator Air Water Purifier Ozonizer Fruit Food Fish tank aquarium sterilizer reatmentParameterName:household ozone generatorCapacity:4-6LRated voltage:220V (V)Rated Power:15 (W)Rated frequency:50 (HZ)Output of oxygen:400mg / hSize:Pls allow 1-2cm manual measurement!FeaturePower saving, More effective , Vey slient ,FastSterilization completely without suppliesOxygen disinfectionDirectly through the airEfficient and economicalFunctionFruits vegetables degradation of pesticidesMeat sterilizationWater purificationKitchen …
220V Active Oxygen Anion Ozone Generator Air Water Purifier Ozonizer HangingRead More
220V Black Shisha Charcoal Stove Heating Hot Plate Coal Burner Pipes Accessories 2-hole EU Plug
$50.61Laboratory Thermostatic DevicesAdd to cartDescriptionsThe charcoal burner was developed for the functional needs of daily charcoal ignition and was proved to be a essential accessory to every charcoal burner set up.SpecificationsPlug:EU Two-hole PlugVoltage:220VMaterial:Iron SteelColor:BlackPackage included1 PCS x Charcoal Heater1 PCS x Power Cable With Two- hole EU Plug (Distribute the adapter according to your country.)Note-The size might be slightly …
2pcs Navigation Triangular Protractor 300mm Acrylic Hypotenuse Nautical Squares
$38.46Laboratory Thermostatic DevicesAdd to cartFeatures– Size:34x24x24cm / 13.3×9.4×9.4inch– Material:Acrylic– Measuring Length:300mm– Flattened hypotenuse for easy parallel shifting– No embossing for a clear view of the nautical chart– Suitable for navigationPackage Included2 x 300mm Navigation Triangular Protractor
3 Sensors Wireless Digital Alarm thermometer indoor Outdoor Audible indicator
$129.59Laboratory Thermostatic DevicesAdd to cartSpecificationsAlarm Duration:2 MinutesWireless Sensing Distance:100 MetersIndoor Temperature Range:-10℃~60℃Outdoor Temperature Range:-50℃~70℃(-50 ℉ ~ 158℉)Humidity Range:20%-99%Accurate Temperature:±1℃Accurate Humidity:±5%Power Supply:Host–3*AAA Battery, each Sensor–2*AA Battery(Not included)Features1. Easy to read LCD screen displays the current indoor outdoor temperature.When insufficient electricity,there are will be shown on the LCD screen.2. With a temperature trend indicator arrow and daily high and low information.3. …
3 Sensors Wireless Digital Alarm thermometer indoor Outdoor Audible indicatorRead More
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LM338K 3A Voltage Digital Display High Power Adjustable Linear Module Buck Step Down Regulator
$29.73Power Supply ModuleAdd to cartParameterBoard size:9.6cm x 5.8cmDC input:3-35 voltsAC input:1-25 voltsOutput DC:1.2-30 volts; kit weight:155 gramsMaximum current:3 amps, (LM338K theory can go to 5A, we use domestic LM338K, up to 3A, import disassemble up to 5A)Input and output minimum differential:3 voltsMaximum power consumption:50WAbout LM338K maximum power calculationFor example, input 25V, output 18v load current 2A, then the power …
5Pcs Yushun LS-5S 24V 5W AC to DC Switching Power Supply Module Monitoring Power Supply with White Shell
$32.16Power Supply ModuleAdd to cartFeatures1. Wide input voltage range2. With overload, short circuit and over temperature protection functions3. Small size, high efficiency4. Full load aging test5. Ultra-low output rippleSpecificationBrand:EshionModel:LS-5SVoltage:24V200mA LS-5S24Modulation method:pulse width modulation (PWM) typeTransistor connection mode:single-endedInput voltage:86-264VInput voltage range:100~264V ACOutput /Rated power:5WOutput voltage:24VWork efficiency:75%~76%Output ripple noiseVoltage adjustment rate:÷1%Load regulation rate:÷1%Product Certification:CEOutput current:0.2AFrequency range:47~63HZWorking temperature:-20→~+50→Dimensions:58mm*30mm*22mmWeight:25g(1pcs)Package included5 x Power Supply …
SIM7020C NB-IoT Expansion Board Full Netcom Module Support for Arduino LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS
$52.47Expansion Board & ShieldAdd to cartFeatureOnboard Raspberry Pi interface, can be directly inserted into any version of Raspberry PiSupport LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS and other protocol communicationsSupport domestic OneNET/telecom cloud/aira cloud platformOnboard USB interface, can be used for power supply or software debuggingLead out UART control interface, can be used to connect Arduino/STM32 and other main control boardsOnboard level conversion circuit, the default …
10pcs 3.3V 5V 8 Bit Blue Common Anode LED indicator Display Module DIY Kit
$21.59Display ScreenAdd to cartDescriptionIt can be inserted directly into Breadboard,Ideal for linking up to your Arduiuo UNO Mini Nano Mega2560 DUE Breadboard etc,or others MCU ( AVR STM32 ARM7 ARM9 ARM10 ARM11 PIC C8051 STC MSP430 FPGA/CPLD etc.) SpecificationsColor:BlueWorking Voltage:DC 3-24VPolarity:Common anodeInterface:2.54MM with PIN/2.54MM no PINSize:22.86 x 14.13 x 2.11 mmWeight:1.3gApplicationMCU/ARM/FPGA/Atmega328pPLC MotorElectronic diy kitESP8266/nodemcuNANO/UNO/MEGA2560/BreadboardRaspberry pi 4/robotPackage Incldued10 x …
10pcs 3.3V 5V 8 Bit Blue Common Anode LED indicator Display Module DIY KitRead More
infrared Light Board 42*IR LED Board for CCTV Camera Night Vision 850nm DC12V
$6.55LED BoardAdd to cartDescription– Infrared IR LED boards for CCTV cameras night vision.– Power supply exceeds DC13V may greatly reduce the LEDs operating life.SpecificationsBoard Diameter:60 mminner Diameter:32mmPower Supply:DC12V / 220mA Operation Temperature:-10→ to +50→LED Lamps / Bulbs Size:5mmIR Lights WaveLength:850nmPackage Included1 x 42*IR LED Board for CCTV Camera
10pcs XY-SP5W 5128 Mini Class D Digital Amplifier Board 5W Mono Audio Power Amplifier
$15.27Amplifier BoardAdd to cartFeatures∵ Operating current:>1A∵ Power Output:3~5W∵ Drive Speaker:4~8∵ SNR:85dB@ VDD=5V,Vorms=1V∵ Class D Audio Amplifier∵ Low Distortion, Low Noise FloorNotes1.2.5V to 5.5V operation from a single supply ,and damaged upper 5.5V.2.A 5V/1A DC adapter is recommended to supply the module.3.The circuit will be damaged if the power polarity is oppsite.4.4 3W Speaker is recommended5.With mute fuction, Mute …
10pcs XY-SP5W 5128 Mini Class D Digital Amplifier Board 5W Mono Audio Power AmplifierRead More
10Pcs 2 Key Press Film Switch Module Single Chip Microcomputer Extended Keyboard Electronic Switch Module
$16.11Other Module BoardAdd to cartSpecificationsProduct thickness:1.00mm (+0.02mm)Panel material:PCBack adhesive tape:white glueButton strength:280gTemperature:-15 ° C / +65 ° CCircuit material:0.125mm PET transparentButton package type:button planeButton package height:0.3mmKey life:>100,000 timesLoop resistanceConnector:2.54mm square hole with protective coverSize:40*20mmPackage Included10 x 2 Key Press Film Switch