J.Dittrich Elektronic GmbH & Co. KG MF420-IR-AL • For rooms with direct-control ventilation system or electric window opener • Ambient temperature -10 to +50° C • Plastic housing for wall mounting, IP30 • Output: 2 independent relay contacts • Maintenance-free in normal applications • Supply voltage 24 V DC ± 5 % • Standard measuring range: 0 to 3,000 ppm CO
2 ± 2% FS • BN1.001.047 MF420-IR (CO2) • For rooms with a ventilation system • Ambient temperature -10 to +50° C • Robust aluminium housing for wall mounting, IP40 • 1 analog output (4-20 mA or 0-10 V) • Maintenance-free in normal applications • Supply voltage 24 V DC ± 5 % • Standard measuring ranges: 0 to 3,000 ppm CO
2 ± 2% FS BN1.000.210.G 0 to 6,000 ppm CO2 ± 2% FS BN1.000.213.G 0 to 10,000 ppm CO2 ± 2% FS BN1.000.214.G 0 to 50,000 ppm CO2 ± 2% FS BN1.000.215 Others on request. Climate guard (MF420-IR-CTF) • For networked rooms with heating, ventilation and air conditioning systems • Measures CO
2 , room temperature, humidity, and optionally air pressure • Ambient temperature -10 to +50° C • Plastic housing for wall mounting, IP30 • Network-compatible: 1 digital output (Ethernet TCP/IP or Modbus RTU protocol) • 1 actuator • Maintenance-free in normal applications • Supply voltage 24 V DC ± 5 % • Standard measuring range: CO
2 0 to 3,000 ppm ± 2% FS temperature -10 to +50° C rel. humidity 0 to 99% RH • BN1.001.060
Bahnhofstraße 67 D-76532 Baden-Baden Fon +49/7221/64103 Fax +49/7221/17103 www.dittrich-systeme.de info@dittrich-systeme.de - 4 -