MQ137 Gas Sensor Module MQ-137 Ammonia Sensor Module NH3 Sensor Module
$45.91
Shipping:Standard Shipping about 10-25 business days
Secure Payment:Paypal,VISA,MasterCard
Description
Size:32mm X22mm X30mm length * width * height
Main chip:LM393, NH3 gas sensing probe
Working voltage:DC 5V
Features
1. It has a signal output indicator indication;
2, dual signal output (analog output and TTL level output);
3. The TTL output valid signal is low level; (when the output low level, the signal light is on, it can be connected to the IO port of the single chip)
4. The analog output increases with increasing concentration, and the higher the concentration, the higher the voltage;
5. High sensitivity and selectivity to ammonia;
6. Has a long service life and reliable stability;
7. Fast res ponse recovery features;
8. With mounting holes for easy installation;
9. The probe can be plugged and unplugged for easy testing.
Application
Harmful gas detection device for home and environment, suitable for the detection of ammonia vapor, ammonia gas sensor test concentration range:10 to 300ppm
Provide reference routines, circuit diagrams, and probe instructions
Package Included
1 x MQ-137 Ammonia Sensor Module NH3 Sensor Module
Weight | 0.015 kg |
---|
Customers Also Viewed
3Pcs MB102 Test Developer DIY 830 Hole Solderless PCB Breadboard
$17.32Electronic Accessories & SuppliesAdd to cart3Pcs MB102 Test Developer DIY 830 Hole Solderless PCB BreadboardDescription1 terminal Strip, tie-point 6302 Distribution Strips, tie-point 200Solderless breadboard (MB-102)Wire size:Suitabe for 29-20 AWG wiresSize:About 16.5*5.6*1 cmNote:May has different types random delivery.Package included3 x MB102 Breadboard 830 Hole Solderless PCB
Laser Ceramic Body 28mm Fiber Laser Cutting Machine Head Nozzle Holder Ceramic Ring Parts
$27.89Engraving Parts & AccessoriesAdd to cartSpecificationMaterial:CeramicDiameter:28mmHeight:12mmThe installation type:Internal thread connectionApplication:Fiber laser cutting machinePackage Included1 x Laser Ceramic
MTOLASER PCA-K Pillar Limiter Lens Frame Elevating Set Optical Adjustment Laser Module Holder
$15.27Engraving Parts & AccessoriesAdd to cartDescriptionThe PCA-K pillar limiter elevating set is designed to locate the position of the adjusting rod, which can easily realize the fine-tuning of the optical path calibration without any other optical elements.SpecificationBrand:MTOLASER Model:PCA-KMaterial:Aviation AluminumMain Color:Black + SilverInstallation Diameter:12mm ColumnSize:22mm x 12mmFeatures1. The pillar limited elevating set is designed to locate the position of the adjusting …
Metal Film Resistor Assortment kit LED Diodes Electrolytic Capacitor Ceramic Set Transistor Plastic Bag Package DIY Electronic Components Kits
$32.79Electronic Accessories & SuppliesAdd to cartLED diodes:100pcs LED Assorted KitWhite 5mm 20pcs 3V-3.2V 20mARed 5mm 20pcs 1.8V-2V 20mAGreem 5mm 20pcs 1.8V-2V 20mAYellow 5mm 20pcs 2V-2.3V 20mABlue 5mm 20pcs 3 V-3.2V 20mAWhite 3mm 20pcs 3V-3.2V 20mARed 3mm 20pcs 1.8V-2V 20mAGreem 3mm 20pcs 1.8V-2V 20mAYellow 3mm 20pcs 2V-2.3V 20mABlue 3mm 20pcs 3 V-3.2V 20mAResistance package600pcs 30 values Metal Film Resistor Kit 10R-1M …
1CH Channel Ethernet Relay Network Switch TCPUDP Module Controller with 1 Digital input
$57.38Network ModuleAdd to cartFunction descriptionControl the pull-in and release of 1 relay through the Ethernet network, with a shell. The module supports both TCP and UDP two operation modes, the instructions are simple and easy to understand, and the jog and 1-65535 seconds delay can be specified in the instruction. The module is equipped with VB, host computer …
1CH Channel Ethernet Relay Network Switch TCPUDP Module Controller with 1 Digital inputRead More
STC89C52 DIY Learning Board Kit Suit the Parts 51/AVR Microcontroller Development Board Learning Board
$13.11DIY Electronic KitsAdd to cartThis board to 51 interface designed for platform double reset circuit, the monolithic support are1, On STC series such as STC89, STC11, STC12, STC90 DIP encapsulation (40 feet). Need to download a program via a serial port (COM).2, The AT89S series such as AT89S51 and AT89S52 devices such as DIP encapsulation (40 feet). Need to …
1/2 inch Micro Water Filter Purifier Stainless Steel Front Facing Wire Mesh
$17.00Mesh & Wire ClothAdd to cartDescriptionMicro Water Filter Purifier Stainless Steel Front-facing Wire MeshSpecificationMaterial:PlasticSize:as the picture shows(Pls allow 1-3mm measurement error)FeaturesStrict processConvenient in usePackage include1 x Water Filter Parts
Reviews
There are no reviews yet.