HUABAN MQ-138 Gas Sensor Module: Detect Formaldehyde & VOCs with Alarm Signal Light
Lightning-fast shipping for an international gadget. Totally worth the wait!– Aarav, Pune
Saved over ₹2k vs Amazon and got loyalty points for my next build.– Ria, Bengaluru
Rare color variant I couldn’t find anywhere else. Excellent packaging.– Kabir, Delhi
Customer support actually knew the tech specs. Impressive.– Meera, Hyderabad
EMI checkout was seamless. Excited for more exclusive drops!– Arjun, Mumbai
| #1 | MQ138 Formaldehyde HCHO Gas Sensor Module |
|---|---|
| #2 | Heating voltage 5 02V ACDCWorking current 180mACircuit voltage DC5V Max DC24VClean air voltage 15V |
| #3 | Test concentration range 1100ppm Sensitivity 3 Response time 1S 35 minute warmup theory preheating time 48 hours |
| #4 | Working temperature 10 50 oC nominal temperature 20 oC Humidity 95 RH nominal humidity 65 RH |
| #5 | Size 35mm40mm28mm |
| Brand | HUABAN |
| Model | MQ-136 |
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