China

SMART SENSOR ST8903 Four-in-one Gas detector Portable Multi-Gas detection Sound and light vibration triple alarm

It can continuously detect four gases at the same time, with triple alarm function of sound, light and vibration, Response Time is less than 50 seconds, and supports user-defined high and low alarm value setting.
Model:
Certificate

SMART SENSOR ST8903 Gas detectorSPEC

SMART SENSOR ST8903 Gas detectorDetails

SMART SENSOR ST8903 Gas detectorPacking list

SKU
NB050756
Detect gas
Carbon monoxide/hydrogen sulfide/oxygen/combustible gas
Carbon monoxide (CO)
Range: 0~ 999ppm/resolution: 1ppm
Hydrogen sulfide (H2S)
Range: 0~ 500ppm/resolution: 1ppm
Oxygen (02)
Range: 0~ 30.0% VOL/resolution: 0.1%
Combustible gas (LEL)
Range: 0~ 100% LEL/resolution: 1%
intrinsic error
<±0.1%
Response Time
< 50 seconds
Working time of battery
No alarm for 6 hours
show
LCD backlit display
Alarm value setting
Customizable high and low alarm value settings
Alarm mode
Sound/light/vibration triple alarm
Charging function
Support USB charging
Peak display mode
Yes.
TWA/STEL Observation mode
Yes.
High and low concentration alarm settings
Yes.
Standard gas setting mode
Yes.
Zero setting mode
Yes.
Gas calibration mode
Yes.
Maximum open circuit voltage
≤4.2V
Operating Temp. & RH
-10 ° C~ 50 ° C/15%~ 95% RH (standard)
Storage temperature
0~40°C
power supply
3.7V lithium battery
Net weight of product
360g
Product size
75*138*43mm
Can be connected to air pump sampling
(Optional)
ST8903
Gas detector
It can continuously detect four gases at the same time, with triple alarm function of sound, light and vibration, Response Time is less than 50 seconds, and supports user-defined high and low alarm value setting.
SMART SENSOR ST8903 Four-in-one Gas detector Portable Multi-Gas detection Sound and light vibration triple alarm Picture

Product Introduction

This instrument is a portable multi-gas detector that can continuously detect 4 gases at the same time: 02, LEL (combustible gas), CO, HS. Each gas concentration reading is displayed on the LCD display. The instrument provides user-configurable low/high concentration alarms, as well as STEL/TWA alarm functions. When the test result exceeds the pre-set alarm setpoint, the instrument will alert the user with sound, light and vibration alarms.

FAQ
QIs the price listed on the website the final cost for overseas purchases?
ANo, it isn't. This is the ex-factory price of the product in the Chinese Mainland. In addition to this price, buyers from different countries need to account for additional costs such as shipping fees, tariffs, and others. For specific regional quotes, please consult our customer service or fill out a quotation form.
QWhat is the specific process for purchasing the product?
AFirst, please click on the quotation form on the website and fill in detailed information. Our customer service personnel will then send you a quotation based on your specific country and region, confirming payment and delivery methods. Following this, we proceed with contract signing, payment, and shipment. You can then await delivery.
QWhat should I do if the instrument I purchase needs repair?
AAfter-sales repair for overseas instruments is an unavoidable issue. Our repair terms stipulate that the sender is responsible for the shipping and insurance costs incurred for the repair. Repairs within the warranty period are free, while repair costs beyond the warranty period are determined based on the actual situation.