Specifications
| Detect gas | O2 |
| Detection principle | Contact the mall customer service. |
| Range | 0~30%VOL |
| resolution | ≤ full scale * one thousandth (contact the customer service of the mall) |
| testing unit | ppm, ppb, pphm, mg/m3, LEL%, VOL% (partially switchable) |
| Response time | T90 ≤ national standard, |
| recovery time | T90-T10 is determined according to Sensors, contact the customer service of the mall! |
| detection Accuracy | Better than the national standard Accuracy, generally ≤ +/- 3% FS |
| error of indication | 3%FS |
| Repeatability | 1% |
| Display | 320 * 240 high definition color screen 2.0 inch |
| visual distance | ≥ 10 meters (5.0 vision) |
| system language | Chinese (default)/English (optional) |
| Sampling method | Diffusion type (default), circulation type, pipeline type, pump suction type (external). For details, contact the customer service of the mall. |
| Adoption method | Diffusion type (default), circulation type, pipeline type. For details, contact the customer service of the mall. |
| Temperature detection | without |
| temperature compensation | without |
| Power Supply | 12~ 36VDC (typical Power Supply 24VDC); battery Power Supply (optional) |
| Wired signal output | 3-Wire system 4-20mA + 1 relay (switch) Voltage 0~5/10V + 1 relay (switch) RS-485 + 1 relay (switch) RS-422 + 1 relay (switch) 3-wire system current 4~ 20mA + RS-485 + 1 relay (switch) Voltage 0~5/10V + RS-485 + 1 relay (switch) HartCAN bus Note: Relay (switch) Specifications: Output 2A@30VDC or 0.6A@125VAC |
| Wireless signal output | Optional WIFI, LORA, GPRS/4G/NB-IoT (optional) |
| Alarm function | Panel LED light alarm, screen flash alarm, sound and light alarm (optional), remote wireless output alarm |
| Remote visual alarm | Remote visibility of each detection parameter, individual light alarm function |
| Operation mode | Infrared remote control + button (open lid operation) |
| Installation method | wall-mounted (wall-mounted), rod-mounted (horizontal or vertical rod), pipeline-mounted, ceiling-mounted |
| Sunshade/rain cover | Sunshade and rain cover (optional) |
| automatic calibration | Zero automatic correction function |
| calibration period | 1 year (recommended) |
| Explosion-proof level | Flameproof: Exd II C T6, EX TD A21 |
| Protection level | IP66 |
| anti-electromagnetic interference | national standard |
| anti-cross gas interference | weak |
| power consumption | < 2W, depending on Sensors, contact the customer service of the mall for details. |
| Controlled Output | Fan, solenoid valve, sound and light alarm, etc |
| Environmental temperature | -40~55℃ |
| Storage temperature | -10~30℃ |
| Working pressure | 86-106KPA |
| service life | Sensors: determined by the detection principle; Miscellaneous components ≥ 5 years |
| Attenuation performance | standard |
| reference certification | Measurement equipment CPA, CCCF, flameproof, intrinsically safe explosion-proof, IP66 protection, mine safety, coal safety, ROSH, SIL2, CE, ATEX, IEC |
| Weight | ＞1.65kg |
| Shell Color | Blue + milky white. |
| Dimensions | 1. Overall size: length * width * thickness = about 216.5mm * 185mm * 63mm (basic type) 2. Interface size: inner screw M20 * 1.5 (inner screw G1/2, inner screw 3/4, inner screw 1/2NPT, inner screw 3NPT/4NPT are optional) 3. Pipeline installation screw size: outer screw M45 * 1.5 (default), others can be customized |
| Production process | Standard process |
| shell material | Main body: alloy (anti-corrosion surface preparation); probe: anti-corrosion alloy or stainless steel 316L (contact the customer service of the mall for higher needs) |
| protection function | Intermittent Detection, Sensors Automatic Protection Function (Optional) |
| remote control | Remote parameter configuration (such as server port, alarm value, remote calibration function, etc.) and program upgrade iteration can be carried out through NB-IoT, 4G or WIFI networking |
| upgrade function | Software version upgrade supports multi-mode; remote OTA upgrade or local installation package self-upgrade. The upgrade operation will not cause the loss of user settings parameters. |
| Environmental humidity | 10% -95% RH (no condensation) |
Packing list
Host X1, Encasement Box X1, Manual X1, Warranty Card X1, Remote Control X1, Factory Test Report X1
After-sales instructions
Warranty days: 365 days
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/49504/Specification.html , which is only used by users who purchase commodities from the NBCHAO.