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1. Function

Ozone concentration alarm, also known as ozone low concentration detector, ozone tail gas alarm, ozone detection alarm, ozone leak alarm; suitable for continuous online detection of ozone concentration in ozone use environment, industrial environment and special environment and on-site sound and light alarm, which plays an early warning role in the safety of dangerous site operations.

[**]t present, the national ozone safety standard is: indoor: 0.16mg/m3, industrial environment: 2.0mg/m3. Correct use of ozone leak detector can effectively protect the safety of on-site personnel.

The use places are: ozone generator equipment room; ozone generating workshop; space disinfected with ozone, etc.

The ozone leak detector adopts imported electrochemical sensor and microcontroller technology, with the advantages of stable signal, high precision and good repeatability, and the explosion-proof wiring method is suitable for various hazardous places. The instrument is compatible with various control alarms, PLC, DCS and other control systems, and can realize on-site alarm and remote monitoring and alarm functions at the same time. The ozone environmental ozone concentration detector, ozone outlet concentration detector, and water ozone concentration detector form a complete ozone monitoring system.

II. Features:

① Imported high-performance electrochemical ozone sensor, with good anti-interference performance and a service life of up to 3 years

② [**]dopting advanced microprocessor technology, fast response speed, high measurement accuracy, good stability and repeatability

③ The detection site has on-site sound and light alarm function, and the gas concentration exceeds the standard and the alarm is immediately issued, which is the safety guarantee for dangerous on-site operations

④ On-site large-screen multi-parameter LCD display with backlight, intuitively displays gas concentration, type, unit, working status, etc.

⑤ Independent gas chamber, no on-site calibration is required for sensor replacement, and key sensor parameters are automatically identified

⑥ Full range temperature digital automatic tracking compensation to ensure measurement accuracy

⑦ Full software automatic calibration function, this machine has a total of three standard buttons to achieve single-person single-point on-site maintenance technical parameters



III. Parameters:

• Detection gas: ozone (O3)

• Detection principle: electrochemical principle, detection method is diffusion or pump suction, long-term continuous work

• Installation method: wall-mounted, pipeline (thread size: M45X1.5mm), flow-through, pump suction optional

• Measuring range: 0~1, 5, 20, 50, 100, 200, 500, 1000, 5000, 10000, 30000ppm optional

• Resolution: 0.001ppm (0~10ppm); 0.01ppm (0~100ppm); 0.1ppm (above 1000ppm)

• [**]ccuracy: ≤±3% (actual concentration, higher accuracy depends on the specific sensor)

• Repeatability: ≤±1%

• Zero drift: ≤±1% (F.S/year)

• Response time: ≤20 seconds (T90)

• Recovery time: ≤20 seconds

• Output signal: Users can determine according to actual requirements, the longest transmission distance can be 2000 meters (single-core 1mm² shielded cable) and can also be wirelessly transmitted.

① Two-wire 4-20m[**] current signal output (three-wire optional)

② RS-485 digital signal output, with RS232 adapter card can store data on the computer (optional)

③ 2 sets of relay output: passive electric shock capacity 220V[**]C 3[**], 24VDC 3[**]

④ [**]larm signal output: on-site sound and light alarm, alarm sound: < 90 decibels

• Wiring method: 3/4″NPT internal thread

• Shell material: die-cast aluminum, explosion-proof and corrosion-proof

• Explosion-proof mark: ExdII CT6

• Protection level: IP65

• Working power supply: 24VDC (12-30VDC)

• Working temperature: -20～50℃ (special requirements can be customized as needed)

• Working humidity: ≤95%RH, no condensation (humidity>90%RH, filter can be equipped)

• Working pressure: ≤200Kpa

• Dimensions: 170×140×80mm

• Weight: 1.5Kg

Ozone leak alarm is mainly used in large ozone generator projects. For example, large sewage treatment plants, farms, etc., to ensure the safety of personnel.
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