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
24S 72V Lithium Battery 3.2V Power Protection Board 30A-180A with Temperature Protection Equalization Function Overcurrent Protection BMS PCB
$60.74Battery Protection ModuleAdd to cartCurrent 30A / Current 40A / Current 50A / Current 60A / Current 70A / Current 100A / Current 130A / Current 150A / Current 180A /
ONLY LED Light Lighting Kit for Lego 42096 Technic Porsche 911 RSR Bricks Toys
$18.50DIY Electronic KitsAdd to cartDescriptionInterface:USBColor:As the picture shownFitmentONLY For Lego Technic Porsche 911 RSR (42096) Bricks ToysFeaturesEasy to install.LED powered by USB.Make your model more cool.ONLY For Lego 42096 Technic Porsche 911 RSR Bricks.Package Included1 x LED Light Kit(Model Not Included)1 x Battery Case
500mL Clear Borosilicate Glass Filtering Flask Vacuum Filtration Flask Bottle Lab Glassware
$40.49Glassware KitAdd to cartDescription– Flasks are glass or plastic containers for storing or collecting chemical samples or solutions in scientific laboratories.– It shaped like a cone with a wide, flat base that narrows to a neck opening, which can be closed with a stopper or cap.SpecificationMaterial:Borosilicate GlassCapacity:500mLFlask Style:Filtering (vacuum)Package Included1 x Glass Filtering Flask
2400mAh Portable Solar Panel Charger Reusable Solar Generator System USB Port with Lamp Lighting
$64.79Solar GeneratorAdd to cartFeature1.Reusable solar generator, solar charging, environmental protection and energy saving, you can use it in anywhere when there is adequate sunshine.2.Equipped with USB charging cable, you can charge your electronic products easily with the built-in large capacity battery, you can charge for mobile phones, MP3, MP4, digital cameras and other electronic products.3.White LED light and …
20pcs Sensor Shield V5.0 Sensor Expansion Board for DIY Electronic Building Blocks of Robot Parts
$62.36Sensor & Detector ModuleAdd to cartFeaturesLatest Sensor Shield V5.0 sensor expansion board is still before laminated design PCB Immersion Gold processing technology, the motherboard is not only Duemilanove 2009 controller of digital and analog interface extended to the steering gear line order form, also ad hoc IIC interface, 32 Servo controller interface , bluetooth module communication interface, SD card module …
Reviews
There are no reviews yet.