• 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

High Accuracy 24h Outdoor / Indoor Online Ammonia NH3 Fixed Gas Detector IP65

Place of Origin China
Brand Name Zetron
Certification CE
Model Number MIC500S
Minimum Order Quantity 1
Price USD 300-- 1000/set
Packaging Details paper carton
Payment Terms L/C, D/A, T/T, 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 Fixed Gas Detector Brand Name Zetron
Model Number MIC500S Gas Unit PPM, Mg/m3, Vol%, LEL%, PPHM, Ppb, Mg/l
Display Method 1.7-inch High-definition Color Screen Protection Level IP65
Weight 1.8(kg) Size 210*170*85mm (L*H*W)
High Light

IP65 NH3 Gas Detector


IP65 Portable Ammonia Gas Detector


High Accuracy NH3 Gas Detector

Leave a Message
Product Description

MIC500S Fixed Toxic And Harmful Gas Detector




MIC500S Series gas detector can be used in 24 hours continuous online monitoring of concentrations of multiple types of gases in the filed.The types for detection are more than 500 types.
With a 4-20 mA analogue output, can be simply integrated into a Distributed Control System (DCS) to provide warnings.
Simple to install service and calibrate, MIC500S requires no hot work permit and the PID sensor is accessible and changeable in a matter of seconds.
Strong, durable and explosion-proof shell and fluorocarbon surface treatment process are suitable for the use at a variety of hazardous places and corrosive environments, it is wear-resistant.


Gases to be detected Ammonia NH3
Detection range

0~ 1ppm

0~ 10ppm



0~ 5000ppm

0~ 50000ppm

0~ 100000ppm

0~ 200 mg/L

0~ 100%LEL

0~ 20%VoL

0~ 50%Vol

0~ 100%Vol

Other ranges can be customized


0.01ppm or 0.001ppm (0 ~ 10 ppm);
0.01ppm (0 ~ 100 ppm),
0.1ppm (0 ~ 1000 ppm),
1ppm (0 ~ 10000 ppm or more),
0.01 mg/l (0 ~ 200 mg/l),
0.1% LEL,

0.001% Vol

Other ranges can be customized

Detection principle

Electrochemical, catalytic combustion, infrared, thermal conductivity,

PID photoionization, and so on.

Depending on the type of gas, range, field environment and user demand,

Sensor can be customized

Sensor service life

Electrochemical principle: 2 ~ 3 years;

Oxygen gas: 2 years or 6 years can be selected;

Infrared principle: 5 ~ 10 years;
Catalytic combustion: 3 years;

Thermal conductivity: 5 years.

Allowable error ≤±3% F.S (other or higher precision levels can be customized)
Linearity ≤±2% Repeatability ≤±2% Uncertainty ≤±2%
Response time T90≤20 seconds Recovery time ≤30 seconds
Working environment Temperature: -40 ℃ ~ + 70 ℃, humidity: ≤10 ~ 95% RH (regular)
Display method 1.7-inch high-definition color screen
Working voltage

12 ~ 30VDC direct current

the standard power supply for a single equipment is 24V, DC stabilized voltage switching power supply of 1A or greater than 1A

Power supply reference

24V, 2.1A is possible to drive 40 units of toxic gas detector,

or 15 units of flammable, infrared gas detector.

Working method Fixed type installation, online detection, diffusion type measurement
Protection level IP65
Explosion-proof type Explosion suppression type
Explosion-proof mark ExdⅡCT6, certificate number: CNEx15.1283
Exterior dimensions 210×170×85mm (L×H×W)
Weight 1.8Kg
Standard accessories Manual, qualification certificate, warranty card, outer packaging box

High Accuracy 24h Outdoor / Indoor Online Ammonia NH3 Fixed Gas Detector IP65 0

①It can be used in 24 hours continuous online monitoring of single field gas concentration
and the types for detection are more than 500 types.
②There are 7 gas units to display, and the units can be switched freely.
Units that can be selected: PPM, mg/m3, Vol%, LEL%, PPHM, ppb, mg/l.

High Accuracy 24h Outdoor / Indoor Online Ammonia NH3 Fixed Gas Detector IP65 1

1.7-inch high-definition color screen, display the real-time concentration, and alarm state.

High Accuracy 24h Outdoor / Indoor Online Ammonia NH3 Fixed Gas Detector IP65 2

①It is possible for the real-time monitoring via the wired or remote wireless transmission, and network transmission.
②Three-wire system 4 ~ 20mA standard signal and standard bus RS485 (modbus-RTU) simultaneous output.
③It is possible to select frequency output 200-1000Hz, Hart protocol signal, 1 ~ 5V output,
two-wire system 4 ~ 20mA, SMS alarm, wireless transmission (2 ~5 km or unlimited distance).
④It is compatible with secondary instrument, data acquisition module, PLC, DCS system,
and it is possible to drive the related equipment.

High Accuracy 24h Outdoor / Indoor Online Ammonia NH3 Fixed Gas Detector IP65 3

①Multiple alarm modes, and multi-directional and three-dimensional indication alarm states.
It includes: 2 sets of relay switch output, sound & light alarm (optional configuration),
and display screen visual alarm.
Alarm types include: concentration alarm, and failure alarm.
Multiple alarm mode settings: low alarm, high alarm, interval alarm, and weighted average alarm.
②Zero-point automatic tracking; long-term use will not be affected by the zero drift.
③Multi-level calibration for target points, can ensure the linearity and accuracy of the measurements.
④Log recording Record the calibration logs, repair logs, failure history, failure countermeasure solutions,
sensor service life due reminder, and function of reminder for the time of next concentration calibration.
⑤Data recovery function; in case of mis-operation, it is possible to select partial or full recovery.
⑥Mis-operation recognition function: automatic recognition and prevention of the concentration calibration mis-operation,
which is possible to avoid the poor performance that may be caused by human factors.

High Accuracy 24h Outdoor / Indoor Online Ammonia NH3 Fixed Gas Detector IP65 4

Standard configuration includes the infrared remote control, it is possible for one-key operation via infrared remote
control function key, which can achieve the operation without opening the cover under hazardous situations.
such as: the functions like modification of the alarm point, density calibration, zero-point calibration, noise reduction,
restoring the factory setting, and so on.


High Accuracy 24h Outdoor / Indoor Online Ammonia NH3 Fixed Gas Detector IP65 5
■Integrated sound & light alarming device, split-type sound & light alarming device,
24V DC stabilized voltage power supply.
■Wireless transmission
①It is possible to transfer data wirelessly to the cell phone, remote monitoring center,
monitoring computers and other monitoring equipment, which will utilize the upper-level host to realize
the functions of data analysis, storage, printing or the like on the computer.
■ Pretreatment system
①Room temperature and high humidity pretreatment system
②High temperature and high humidity pretreatment system
③High temperature and high humidity and high dust pretreatment system
■Accessory for connection with computer for monitoring
①Free upper-level host software, RS485 / RS232 converter
②For laptop without RS232 interface, USB / RS232 converting and connecting cable is needed,
if the network transmission is needed, TCP / IP converter will be further needed.
■Installation type accessories
①wall mounting bracket;
②mounting clips for fixation on the pipes (1/2", 3/4" pipe);
③stainless steel threaded welding seat or flange to be installed on the pipeline
(it is necessary to mark the flange or pipe size, such as DN50, DN15 ...);
④Rain cover;
⑤24VDC or 220AC sampling pump (sampling distance is 10 m);
⑥vacuum pump (sampling distance is greater than 40 m);
⑦24V switching power supply;
⑧pressure reducing valve;
⑨flow meters.


All the cases which requires the fixed installation, and online detection of gas concentrations such as petroleum, chemical, pharmaceutical, environmental protection, combustion gas distribution, warehousing, smoke gas analysis, air governance, and so on.

High Accuracy 24h Outdoor / Indoor Online Ammonia NH3 Fixed Gas Detector IP65 6




Q: What is 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 with 5 days,If have stock ,we will send 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 qualify buyer.We can make the products according to customer personal requirement.

Q: How about the quality of the managements ?
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 with us, we will offer the solve way for you.