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J.Dittrich Elektronic GmbH & Co. KG 1.4 Gas measuring systems for toxic gases and vapours For measuring toxic gases and vapours in the air mixture. MF420-C • Robust aluminium housing for wall mounting, IP40 • Sensor: electrochemical • Ambient temperature -10 to +50° C • 1 analog output (4-20 mA) • Supply voltage 24 V DC ± 5 % • Standard measuring range: Ammonia (NH
3 ): 0 – 100 ppm BN1.000.310 Chlorine (Cl
2 ): 0 – 10 ppm BN1.000.073 Carbon monoxide (CO): 0 – 300 ppm BN1.000.300 Hydrogen sulphide (H
2 S): 0 – 50 ppm BN1.000.058 Nitrogen dioxide (NO
2 ): 0 – 50 ppm BN1.000.085 Additional substances on request. 1.5 Explosion-proof gas measuring systems For measuring explosive and toxic gases and vapours in areas subject to explosion hazards (ATEX). Same sensors and measuring ranges as MF420-P and MF420-C. BN1.000.520 MF420-Ex • Robust aluminium housing for wall mounting, IP40 • Sensor: electrochemical or pellistor • Ambient temperature -10 to +50° C • 1 analog output (4-20 mA) • Supply voltage 24 V DC ± 5 % • For measuring ranges and substances see MF420-P and MF420-C • EC Type Examination Certificate in accordance with Directive 94/9/EC (ATEX100a) with certificate: BVS 03 ATEX E 260 X Ex II 2G EEx d IIC T6 •
Bahnhofstraße 67 D-76532 Baden-Baden Fon +49/7221/64103 Fax +49/7221/17103 www.dittrich-systeme.de info@dittrich-systeme.de - 6 -
3 ): 0 – 100 ppm BN1.000.310 Chlorine (Cl
2 ): 0 – 10 ppm BN1.000.073 Carbon monoxide (CO): 0 – 300 ppm BN1.000.300 Hydrogen sulphide (H
2 S): 0 – 50 ppm BN1.000.058 Nitrogen dioxide (NO
2 ): 0 – 50 ppm BN1.000.085 Additional substances on request. 1.5 Explosion-proof gas measuring systems For measuring explosive and toxic gases and vapours in areas subject to explosion hazards (ATEX). Same sensors and measuring ranges as MF420-P and MF420-C. BN1.000.520 MF420-Ex • Robust aluminium housing for wall mounting, IP40 • Sensor: electrochemical or pellistor • Ambient temperature -10 to +50° C • 1 analog output (4-20 mA) • Supply voltage 24 V DC ± 5 % • For measuring ranges and substances see MF420-P and MF420-C • EC Type Examination Certificate in accordance with Directive 94/9/EC (ATEX100a) with certificate: BVS 03 ATEX E 260 X Ex II 2G EEx d IIC T6 •
Bahnhofstraße 67 D-76532 Baden-Baden Fon +49/7221/64103 Fax +49/7221/17103 www.dittrich-systeme.de info@dittrich-systeme.de - 6 -