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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: Shi'An
  • Model Number: SANH3
  • measuring range: (0-100)ppm, (0-1000)ppm
  • resolution radio: 1ppm
  • Sensor: Membrapor Electrochemical Sensor
  • Sensor lifetime: ≥2 years
  • Response time: ≤45s(T90)
  • Data logging(optional): Continuous data logging
  • Size & Weight: 105*54*32mm/450g
  • Name: ammonia gas detector

Packaging & Delivery

Packaging Details Portable NH3 Ammonia gas detector SANH3 with vibrating alarm
Bubble bag and outer carton
Delivery Time within 3 working days

Portable NH3 Ammonia gas detector SANH3

with vibrating alarm


Product Features:

Portable NH3 Ammonia gas detector SANH3 with vibrating alarm

1. Handheld, industry use, high sensitivity and accuracy

2. Intrinsically safe, Ex sign is ExibdⅠ

3. Rugged ABS+PC case, heavy duty, crash resistant

4. High-capacity chip, 4 layers PCB board

5. Visual & audible alarm

6High & low alarm point, fully adjustable

7. SETL & TWA alarm

8. Low battery alarm

9. Rechargeable battery

10. LCD large screen display with Real time clock and status of battery

11. With Stainless Steel belt clip

12. Support data logging function

13. External air sampling pump is available for gas leak detection.




Portable ammonia NH3 gas detector SANH3

The gas detection instruments we designed are widely used in petrochemical, municipal environmental protection, coal mine, residential places, and other natural and wide ranges of industrial environments.


Technical Parameter:  

Portable ammonia NH3 gas detector SANH3

Gas detected

Ammonia (NH3)

Measuring range

(0~100)ppm, (0~1000)ppm

Resolution ratio



Membrapor Electrochemical Sensor

Sensor lifetime

≥2 years

Response time



Audible--buzzer with ≥75dB audible

Visible--flashing red LED, ≥20m visible

Alarm point

Fully adjustable

Data logging

Continuous data logging (7 days at

configurable 0.1-10 minutes intervals)

Continuous working time

>3 months ( without backlight)

Working current

< 1mA ( without backlight)

Working temperature

-25℃~+55℃, short time: -40℃~+55℃


Liquid crystal display (LCD)

Battery model

PL123450, 3.7V/1500mA

Charging time

4-5 hours

Dust and water resistance


Size & Weight


Ex sign





Why choose us:

Design & Moulding --with 14 years’ experience, we make solidest and most practical products

Stricter quality inspection--we persue higher accuracy

Customization--we customize the exact product in your heart

Only focus on gas detector--we think more and deep and offer the best



Company profile:


Beijing Shi’an Tech Instrument Co., Ltd is grown out of Beiijing Dashiweye Technology Co., Ltd, and it’s engaged in designing and manufacturing portable gas detectors.




Beijing Dashiweiye Tech, with website of www.dashine.com, is established in 1997, it focuses on designing, moulding and manufacturing for enclosures of electrical instruments.




The gas detection instruments we designed are widely used in petrochemical, municipal environmental protection, coal mine, fire fighting, research labs, beverage, residential places and other natural and wide ranges of industrial environments. Our main products are handheld gas detectors, which can detect and monitor various toxic, VOC, oxygencombustible and flammable gases’ real-time concentration and provide users detection solution and alarm signals against potential dangers to ensure good air quality and personal safety.




Today we not only have our design and development team for enclosure molding&manufacturing, but also for gas detection system instruments. We are experienced in customizing different gas detection instruments according to customers’ requirements




Management principle of our company is “Design ability and Technology will lead the trend of our products and future of our company




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China (Mainland) | Manufacturer, Trading Company
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