Smart Sensor AS8900 O2 Hydrothion CO Combustible Gas Detectors 4 in 1

Description

SPECIFICATIONS
Detection of gas:
Oxygen/Hydrothion/
Carbon monoxide/Combustible
Measuring range:
O2:0~30%vol
CO:0~999PPM
H2S:0`500PPM
Combustible Gas:0~100%LEL
Basic error:
<±0.1%
Response time
<50s
Recovery time:
<50s
The principle of sensor:
Electrochemical principle,life for two years
To alarm:
Acoustic,optical
double alarm
, can set the alarm value,
an alarm sound is divided into 80dB
Working temperature
-10~40℃
Working humidity:
0-95%RH
PACKING INFORMATION
Power
3.7V Li-Battery
Weight
198g
Product Size
114.5x64.5x37.0mm
Packing
Gift box
Notice:
The standard package don't include batteries.Because,the international air shipping forbid to ship liquid,powder and batteries,we can not put them in the package box.Hope you can understand buy them in your local store or supermarket.Thanks for your support!
Shipping:
We will ship all items within 1-3 working days upon receipt of payment,our goal is: ship it as fast as we can.
Standard Shipping: To USA,UK and Australia by ePacket,need 7-12 working days.
Expedited/Standard Int'l Shipping by Fedex,DHL,TNT and EMS courier: To USA,need 3-6 business days,To other countries,need 4-8 business days normally.But sometimes int'l delivery is highly depended on the courier company and local customs/duties.
Import duties and taxes are not included in the item price or shipping charges.These charges are the buyer responsibility.
Warranty&Reture Policy:
We encourage all customers to communicate with us through eBay messages. If you have any questions or comments whatsoever regarding our products or listing, we are waiting to hear from you
A 1 year warranty is offered for this product.If the product malfunctioned under proper usage per instructions
manual within the warranty period, please contact us to obtain shipping instructions and send it back at your shipping costs.
30 days evaluation and investigation takes placed after receiving your return item.A brand new replacement unit will be sent to you at our shipping costs if it meets our warranty requirements.
On Feb-05-20 at 16:05:27 PST, seller added the following information: