User's Manual

7ML19985FH04 SITRANS LR 400 – INSTRUCTION MANUAL Page 7
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Specifications
Signal type Relay, either NCC or NOC function
max. 50 V DC, max. 200 mA, rating max. 5 W.
Self-resetting fuse, R
i
= 9 Ω
• Electrical isolation Outputs electrically isolated from the power supply and
from each other
• Display LCD, two lines of 16 characters each,
configurable for the following displays:
level, volume, mass, amplitude, digital output,
temperature, validity, signal-to-noise ratio
Multi–display: 2 freely selectable measured values are
displayed simultaneously
Programmer (infrared keypad)
Siemens Milltronics Infrared IS (Intrinsically Safe) Hand Programmer for hazardous and
all other locations (battery is non-replaceable)
• approval: ATEX II 1 G, EEx ia IIC T4, certificate SIRA 01ATEX2147
CSA and FM Class I, Div. 1, Gr. A, B, C, D T6 @ max. ambient
temperature of 40 °C (104 °F)
• ambient temperature: −20 to 40 °C (−5 to 104 °F)
• interface: proprietary infrared pulse signal
• power: 3 V lithium battery
• weight: 150 g (0.3 lb)
• color: black
Mechanical
Flange
• Process Connection Flange DIN 2527, ANSI B16.5, or JIS B2238 equivalent bolt
pattern
• Materials of the wetted Stainless steel flange and horn, PTFE
parts – in contact with emitter (or glass/PTFE, Zone 0 and Zone 20 devices)
the process
• Pressure (vessel) Varies with connection type. Refer to Appendix IV for
specifications.
Solids version (including integral Easy
Aimer) is rated at 0.5 bar (7.5 psi) maximum.