Improve leak detection efficiency and reduce detection costs:

Directly push and test on the road surface. No need to drill holes on the road anymore. Significantly reduced homework burden. While improving work efficiency. It also reduces costs.

Accurate leakage location:

Adopting a selective hot wire semiconductor sensor for natural gas. It can basically ensure that it is not affected by impurities such as automobile exhaust and organic solvents.

Alarm sound indicating concentration changes:

Generate different alarm sounds such as intermittent and continuous sounds based on changes in the concentration of the gas being measured

There is a gas concentration display pointer:

The pointer continuously changes with gas concentration to determine the location of the leak

Detection target gas: natural gas

Monitoring range: 0-30ppm/0-100ppm/0-1000ppm (three ranges)

Response time: approximately 7 seconds (90% response)

Alarm indication:

Gas alarm - As the concentration increases, the alarm gradually changes from intermittent sound to continuous sound

Control shutdown disconnected - buzzer continuously beeps, power light (LED) turns red

When the battery voltage is below the standard value, the buzzer will continue to beep and the power light will turn off

Detection principle: Hot wire semiconductor type

Alarm setting value: can be set arbitrarily within the range of 5-100ppm

Alarm repeatability: within ± 10% (at 800ppm standard gas)

Power supply: DC6V (4 No. 1 dry batteries)

Temperature range: 0 ℃~+40 ℃

Size and weight: 45 × 1125 × 435 (mm) approximately 4.9kg

Battery life: about 7 hours (manganese dry battery)

Storage temperature: -10 ℃~+50 ℃ (for long-term storage, the battery should be removed)

Attachment: 10 pieces of Grade 1 filter paper, 1 sampling pad

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XP-707 manual gas detector can be used independently