DOS-118A Portable ppb level analyzer DO meter dissolved oxygen meter

 Technical indexes

1. Measuring range: 0-20 mg/L

         Resolution: 0.0001mg/L

          Accuracy: 0.001 mg/L (automatic switch)

2. Indication error: ± 0.001mg/L

3. Repeatability: ≤0.001mg/L

4. Response time: not more than 30s (90%, 25 ℃)

5. Zero values (error): (.0000-.1999) mg/L ≤0.001 mg/L

6. Working conditions:

  a) Ambient temperature: 5-35℃

  b) Relative humidity: ≤85%RH.

  c) Power supply: DC3V

  d) Measured medium temperature: 5-40℃

  e) It should be no electromagnetic interference influence the normal operation of the instrument

  f) Atmospheric pressure: 86-106 kPa

  g)Power supply environment and good air circulation, without affecting the accuracy of detection of interference gas.

  h) Power consumption: two No. 5 batteries run continuously for 365 days. (UPS)

  I) Maintenance cost: free maintenance

7. Power supply voltage changes effect amount: instrument indication error 1/5.

8. Ambient temperature change effect amount: instrument indication error 2/3.

9. Oxygen electrode life: more than one year.

10. Power dissipation: <2mW

11. Size: 25 x 68 x 133mm

12. Weight: 230g

Standard Carton&Wooden Case

Q:Could I visit your factory?
A:Welcome!Our factories are located in Shanghai,China
Q:Tell me about your quality control?
A:Our company owns two factories,12 years’ experience in this industry.It is quality and service keeping us stand still.Our QC team check and examine every single instrument strictly before shipping.
Q:How is the price?
A:As we believe the quality is the most important,we will provide the best quality with moderate price.
Q:Could you provide me the shortest lead time?
A:We have inventory for standard models.Please tell me your detailed requirements,we will send to you as early as we can.
Q:How soon can you arrange the production?
A:Once getting your product confirmation and receiving your payment,we will arrange the production immediately.
Q:What is the warranty for your product?
A:Warranty:1 years;Lifetime maintenance.
Q:When should I expect your reply to my questions?
A:We provide 24*7 customer service,you can get reply via live chat or phone call at any time.
Q:How long it will take you to quote for my enquiries?
A:We’ll try to be as fast as we can,normally within 2 hours.

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