| Dimensions and other data |
| Zero point deviation | negligible due to automatic zeroing |
| Deviation | less than 0.2% of the measuring range per month |
| Calculated components | NOx: NO + NO₂, calculated ppm or mg / m3, user-selectable O₂ reference
combustion calculations (efficiency, heat loss) on special request |
| Display | Illuminated 3.5 "TFT color display |
| Interfaces | Illuminated keyboard, password-protected operation
4 analog outputs 4 ... 20 mA, galvanically isolated, max. load: 500 R
2 alarm relays, potential-free contacts: 24 Vdc, 5 A
Data storage and data logger on SD card
RS 485 digital interface (Modbus RTU
DIN rail RS 485, to ProfiBus converter or to Ethernet converter |
| Gas sampling probe | HD gas sampling probe, heated ceramic filter with backpurge,
or gas sampling probe HD-GW, heated glass wool filter,
or LD gas sampling probe, unheated with in-situ sintered metal filter,
heated or unheated gas sampling line, PTFE DN 4/6 mm |
| Gas conditioning | Thermoelectric gas cooler (Peltier) with constant +4 ° C dew point
Teflon particle filter, internal Viton tubing
Monitored and regulated gas sampling pump
Constant gas flow of 50 l/h
Gas inlet pressure: -200 ... +20 mbar (hPa)
Sample gas outlet: atmospheric pressure |
| Housing | Stainless steel housing, continuously monitored housing ventilation with alarm, antifreeze heater 200 W (option) |
| Operating temperature | (+5 ... +45 °C) or (-10 ... +45 °C) with housing heating |
| Power supply | Universal: 90 ... 240 Vac, 47 ... 63 Hz, 120 W (420 W with heating) |
| Protection | IP 54 |
| Dimensions | (B x H x T) 700 x 600 x 210 mm, suitable for wall mounting |
| Weight | approx. 50 kg |
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