Knick Stratos MS A405 Series - Specifications; Service Functions and Environmental Specifications; Enclosure and Connection Specifications

90
Specications
Service functions
Current source Current specifiable for output 1 and 2 (00.00 ... 22.00 mA)
Sensor monitor Display of direct sensor signals (mV/temperature/operating time)
Relay test Manual control of relay contacts
Device type Selecting the measuring function
Data retention Parameters, calibration data, logbook > 10 years (EEPROM)
Electrical safety Protection against electric shock by protective separation of all extra-
low-voltage circuits against mains according to EN 61010-1
Explosion protection
(A405B)
see Control Drawing or www.knick.de
EMC EN 61326
Emitted interference Class B (residential environment)
Immunity to interference Industrial environment
RoHS conformity according to EC directive 2002/95/EC
Power supply 80 V (-15%) ... 230 (+10%) V AC ; approx. 15 VA ; 45 … 65 Hz
24 V (-15%) … 60 (+10%) V DC ; 10 W
Overvoltage category II, protection class II
Nominal operating conditions
Ambient temperature -20 ... +55 °C /-4 ... +131 °F
Transport/Storage temperature -30 ... +70 °C /-22 ... +158 °F
Relative humidity 10 ... 95% not condensing
Enclosure Molded enclosure made of PBT/PC, glass fiber reinforced
Mounting Wall, pipe/post or panel mounting
Color Gray, RAL 7001
Ingress protection IP 67 / NEMA 4X outdoor (with pressure compensation)
Flammability UL 94 V-0
Dimensions H 148 mm, W 148 mm, D 117 mm
Control panel cutout 138 mm x 138 mm to DIN 43 700
Weight 1.2 kg (1.6 kg incl. accessories and packaging)
Cable glands 3 knockouts for M20 x 1.5 cable glands
2 knockouts for NPT ½” or rigid metallic conduit
Connections Terminals, conductor cross section max 2.5 mm
2
,
recommended torque 0.5 ...0.6 Nm