Overview
The Hanwei E4000 monitors up to four gases simultaneously. The standard configuration measures oxygen, carbon monoxide, hydrogen sulphide and combustible gas. Specialist sensor combinations and a built-in sampling pump are available by configuration.
Key features
- Interchangeable smart sensor modules
- Diffusion sampling or optional built-in pump
- Audible, visual and vibration alarms
- STEL/TWA alarms for applicable toxic gases
- Data logging, real-time clock and password management
Applications
Industrial maintenance, wastewater treatment, petrochemical operations and confined-space monitoring programmes. Select all required gases before ordering. A pumped configuration supports remote sampling; a diffusion configuration samples the air at the instrument.
Specifications
The standard-gas table below does not specify every optional toxic-gas configuration. Confirm the range for your selected sensor.
| Measuring gas | O2 | CO | H2S | Combustible |
| Measuring range | 0-25%VOL | 0-500ppm | 0-100ppm | 0-100%LEL |
| Sensor type | Electrochemical | Electrochemical | Electrochemical | Catalytic |
| Measuring type | Diffuse naturally (pump sampling if pump is selected) | |||
| Response time | T90<30s | |||
| Display | LCD screen | |||
| Audible | ≥85dB at 1m | |||
| Alarm method | Visual, audible and vibrative signals | |||
| Battery capacity and operating time | Configuration-dependent; confirm the supplied hardware revision. | |||
| Event log | 100,000 events | |||
| Working temperature | Toxic gases: -20℃～50℃ Combustible: -40℃～70℃ | |||
| Working humidity | <95%RH (no condensation) | |||
| Housing | Rubber enclosure | |||
| Standard accessories | Operation manual, calibration cap, charger, screwdriver, USB cable | |||
| Dimension & weight | 147×76×37mm, about 350g | |||
| Ex grade | Ex ia IIC T4 Gb | |||
| Ingress protection | IP66 | |||
Standards and compliance
Confirm the certificate and hazardous-area marking for the exact supplied configuration before specifying it for a classified area.
Included and optional accessories
Standard accessories listed by the manufacturer: operation manual, calibration cap, charger, screwdriver and USB cable. Pump, sampling line, GPS/GPRS and man-down options are configuration-dependent; confirm the ordered supply.