Replaceable modular sensor
Detection mode: Natural diffusion
Alarm mode: Sound, light, vibration, screen indication
The MP4000 portable multi-gas detector (hereinafter referred to as“the detector”) is a kind of intrinsically-safe device that can continuously detec
The MP4000 portable multi-gas detector (hereinafter referred to as“the detector”) is a kind of intrinsically-safe device that can continuously detect the concentrations of combustible gases and toxic gases. It is suitable for the explosion-proof design and the rescue work in the event of leakage of toxic gas, underground pipelines or mines or other places, and can effectively protect the life safety of people and avoid loss of production equipment.
The detector utilizes the natural diffusion method to detect gases, and the sensitive elements are made of high-quality gas sensors with excellent sensitivity and repeatability. The detector is controlled by a built-in microcomputer, with advantages of simple operation, complete functions, high reliability and a variety of adaptive abilities; it is provided with graphic LCD display which is intuitive and definite; the compact, aesthetically-pleasing and portable design will not only meet your needs, but also will permit you to use it anywhere.
The shell of the detector is made of the high-strength engineering plastic and composite non-slip rubber, featuring high strength, good hand feeling and good waterproof and dustproof performance.
The detector is provided with advanced ultra-low-power 16-bit microcontroller;
Graphic liquid crystal display with ultra-wide viewing angle;
High and low alarm points can be set, with two-level alarm; the screen can display the alarm category;
The calibration concentration value is adjustable to facilitate the calibration by the user;
The combustible gas sensor is provided with high concentration protection function;
Self-testing of faults of the combustible gas sensor;
Battery undervoltage prompt;
Provide real-time clock display;
Replaceable modular sensor;
Automatic calibration function, thus reducing the detection error;
Two-level triple alarms (sound, light and vibration), unlikely to be ignored;
Data communication function;
STEL and TWA alarms additionally provided for toxic gases;
Self-testing at startup, with advanced self-diagnosis and self-repair functions;
Password management function; password verification is required for important operations so as to effectively prevent misoperation;
Intrinsically-safe instrument.
| Name of function | Model |
| Detection mode | Natural diffusion |
| Response time | Methane T90 < 30s; Carbon monoxide and hydrogen sulfide T90 < 30s |
| Indication error | Methane: ±5% FS; carbon monoxide: Absolute error: ±5μmol/mol; relative error: ±10%; hydrogen sulfide: ±5μmol/mol |
| Alarm mode | Sound, light, vibration, screen indication |
| Environmental conditions | Temperature -40℃ ~ 70℃, humidity < 95%RH without condensation |
| Indication mode | LCD displaying the real-time data, system status LED, sound and vibration indication alarm, fault and undervoltage |
| Operating voltage | DC3.7V(lithium battery 2200mAh) |
| Charging time | ≤4h |
| Operating time | ≥20h continuous (non-alarm state) |
| Explosion-proof type | Intrinsically-safe type |
| Explosion-proof grade | ExiaⅡCT4 Ga/ExibD21T4 |
| Degree of protection | IP66 |
| Outline dimensions | 147mm×76mm×37mm(length × width × height) |
| Overall weight | About 350g |
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