• Beijing Zetron Technology Co., Ltd
    Hello, I already used the equipment in an aluminum smelting plant in Mexico and I was surprised by the function of your company's laser device.
  • Beijing Zetron Technology Co., Ltd
    Good gas leak detection instrument !!! High accurate test values :D
Contact Person : Lisa Niu
Phone Number : +86 15699785629
Whatsapp : +8615699785629

Online Infrared Syngas Analyzer 300ml/Min Nitrogen Purity Analyzer With Electrochemical Sensor

Place of Origin China
Brand Name Zetron
Certification CE/Atex
Model Number ZN311A
Minimum Order Quantity 1 set
Packaging Details paper box
Delivery Time in stock
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Product Name ZN311A Nitrogen Purity Analyzer Measuring Range 75%~99.9% N2 Optional
Sample Gas Flow 300ml/min Response Time T90<15sec
Resolution 0.01% Size 160x80x250mm
Weight 1kg
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Zetron Online Infrared Syngas Analyzer


CE Online Infrared Syngas Analyzer


300ml/Min Nitrogen Purity Analyzer

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Product Description

Zetron ZN311A Online Nitrogen Purity Analyzer



ZN311A Nitrogen Purity Analyzer is a new-type intelligent industrial online analyzer researched and developed by combining imported high-performance electrochemical sensor, which is used to detect oxygen and display nitrogen purity, with new microcomputer technology.
Online Infrared Syngas Analyzer 300ml/Min Nitrogen Purity Analyzer With Electrochemical Sensor 0

  • Imported fuel cell sensor adopted, featuring long service life, high accuracy, and quick response;
  • Small volume and lightweight, making the instrument especially suitable for places where the installation space is relatively small;
  • Automatic range shifting; upper/lower limit alarm can be set at will within the whole range;
  • Alarm point can be set at will within the whole range;
  • RS232 or RS485 communication interface available for two-way communication with computer.


Measurement range

75~99.99% N2 optional


≤ ±2% F.S


Zero drift ≤ ±1% F.S/7d;
Span drift ≤ ±1% F.S/7d;


≤ ±0.5%

Sample gas flow

300±10 ml/min

Response time

90 ≤ 15 sec.

Sample gas pressure

0.05 MPa ≤ Inlet Pressure ≤ 0.1 MPa



Contact capacity

120 VAC, 1A 24 VDC, 1A

Output signal

4~20 mA

Operating environment

Temperature: -5℃~+45℃;
Humidity: ≤ 90% RH;

Operating power supply

220 VAC±10%, 50 Hz±5%

Overall dimensions

160 mm (W) × 80 mm (H) × 250 mm (D)

Mounting dimensions

152 mm (W) × 76 mm (H)


About 1 kg



Detecting oxygen content in nitrogen production by air separation, chemical process, magnetic materials, and protective gases for high-temperature sintering furnaces and displaying it as nitrogen purity.

Online Infrared Syngas Analyzer 300ml/Min Nitrogen Purity Analyzer With Electrochemical Sensor 1




Q: What are your terms of payment?
A: We accept trade assurance, western union, visa master card, and tt.
Trade assurance can protect you, when you confirm the product then the money into my account.

Q: When do you reply to messages?
A: We will reply you for your inquiry in 24 hours.

Q: What is the warranty for your product?
A: Warranty: 12 months, Lifetime maintenance

Q: When do you send the products? And how do you send it?
A: For the small order, we will send out the goods within 5 days, If have stock ,we will send it immediately.
We send them by ups, FedEx, TNT, or DHL. For big order, normal is 20 days will finish.

Q: Do you accept OEM or revised logo, color, model, size?
A: Yes, we accept OEM for the qualified buyer. We can make the products according to customer personal requirement.

Q: How about the quality of the management?
A: We have a complete quality control system, all of our products will be fully pre-inspection by QC departments before shipping to you. We have the certification of ISO, CE we could send the certification test of our company to you.

Q: How about your after-sale service?
A: After sending, we will track the products for you, until you get the products.
When you got the goods, test them, and give me a feedback.
If you have any questions about the problem, contact us, we will offer the solve way for you.