SNDWAY SW-7500D Gas Detector O2 Ex H2S CO Professional Oxygen Combustible Gas Hydrogen Sulfide Carbon Monoxide Gas Analyzer

SNDWAY SW-7500D Portable 4-in-1 Gas Detector

Handheld four-gas monitor for continuous checks of oxygen, combustible gas, hydrogen sulfide and carbon monoxide. The SW-7500D is suited to routine site inspection where its specified detection gases and alarm functions match the work procedure.

Detected Gases and Ranges

• Oxygen (O₂): 0 to 30% VOL, 0.1% VOL resolution.
• Combustible gas (Ex): 0 to 100% LEL, 1% LEL resolution.
• Hydrogen sulfide (H₂S): 0 to 100 μmol/mol (ppm), 1 μmol/mol resolution.
• Carbon monoxide (CO): 0 to 1000 μmol/mol (ppm), 1 μmol/mol resolution.

Monitoring and Alarm Functions

• Real-time LCD readings with audible, visual and vibration alarms.
• Supports stored measurement records and comparative peak-data review; the product imagery indicates storage for up to 500 groups.
• Response time is stated as less than 30 seconds under the specified operating conditions.
• Type-C charging; product documentation lists a rechargeable 3.7 V lithium battery and approximately 10 hours of operation with the pump off.

Configuration Notes

• This listing has Standard and Upgraded options. Confirm the selected configuration and included sampling accessories before checkout.
• Use the supplied sampling arrangement only as directed by the product manual and your site procedure.

Safety and Calibration

• Factory calibration does not replace bump tests, functional checks or scheduled calibration required by a site safety program.
• Do not use this consumer-listed instrument as the sole control for confined-space entry, emergency response or any safety-critical decision unless it is maintained, tested and approved for that procedure.
• Calibration should be performed with the correct certified gas and procedure by trained personnel.