Test gas: ammonia Measuring range: 0 ~ 100ppm

Accuracy: ammonia: ± 3% fs, temperature: ± 1.5 ° C Resolution: 1ppm

Warm-up time: <10S Response time: <30S

Ambient temperature measurement: -15 ~ 50 °C

Alarm mode: audible alarm, light alarm, vibration alarm

Warning: low concentration 25ppm alarm light flashes yellow         

 High concentration 50ppm alarm light flashes red       (You can also set the alarm concentration)

Sampling method: diffusion type Power: 3×1.5V AAA battery

Audio Tip: The higher the frequency of the higher the sound, the higher the density.

Product size: 120 × 65 × 25mm

Product packaging: color box

Product weight: 96g

Single bag weight: 171g

Carton size: 36 x 30.5 x 50.5 cm

Packing quantity: 30 sets

We provided good sourced item, cooperated with the factory which forcused on quality control. 

We will also do goods inspection, take video or pictures for each customer, each shipment.

We do on time communication, answer questions with 7/24 service. 

Goods after delivered, we provide one year warranty for any if caused by factory workcraft issue.

Our goal is to cooperate with customers to provide good service, high quality,  on-time delivery, and to grow up with customers.

Hangzhou Zhongshi Imp and Exp Co.,Ltd  is a trading company,  our team has been in measurement instrument area for more than 10years, we also a sourcing company, help customer to source goods in China, and provide the consulant as well. 

Our company’s goal for business is:  to provide good quality products, help customer do sorting factory in China,  guide customer to visit if required, and also do goods inspection before delivery. 

We would make our effort to grow up with customers, and do long term business.