Specifications
| Detect gas | Formaldehyde CH2O |
| Sensors principle | electrochemistry |
| Sampling method | diffusion |
| CH2O-range | 0~5ppm, 0~10ppm, 20ppm, 50ppm, 100ppm, 200ppm, 500ppm, 1000ppm (optional, unlisted ranges can be customized) |
| CH2O-resolution | 0.01ppm (0-100ppm), 0.1ppm (100-1000ppm), 1ppm (1000ppm or more) |
| CH2O-detection Accuracy | ±3%F.S. |
| Operation mode | Infrared remote control for remote and close operation, easy to set up |
| Repeatability | ≤±1% |
| Zero drift | ≤ +/- 1% (F. S/year) |
| Response time | T90≤20s |
| recovery time | ≤20s |
| Explosion-proof sign | Exd Ⅱ CT6 |
| Protection level | IP66 |
| Output signal | Users can according to the actual site environment requirements, up to 2000 meters (single core 1mm2 Shielding cable) three-wire system 4-20mA current signal output, can be connected to the alarm Controller, PLC, DCS and other Control system (standard configuration) |
| main material | Shell: ADC12 aluminum alloy, strong, wear-resistant and corrosion-resistant (optional 316 stainless steel shell) Air chamber: high-strength wear-resistant and corrosion-resistant Aluminum profile, durable (optional 316 stainless steel air chamber) |
| Installation method | Wall-mounted, pipeline type |
| Operating temperature | -30~60℃ |
| Environmental humidity | 0~95% RH non-condensing |
| Environmental humidity | 10%~95%RH |
| Power Supply | 24VDC (Normal Operating Voltage range 12~ 30VDC) |
| power consumption | 1.5W |
| Operating Pressure | ≤200Kpa |
| Dimension | 180*140*92mm |
| Weight | About 1.6Kg |
| execution standard | GB15322.1-2003，GB3836.1-2010，GB3836.2-2010，GB3836.4-2010 |
Packing list
Host x1, manual x1, certificate 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/9196/Specification.html , which is only used by users who purchase commodities from the NBCHAO.