Siemens Sitrans LR400 Instruction Manual page 10

Relay
• Electrical isolation
• Display
Programmer (infrared keypad)
Siemens Milltronics Infrared IS (Intrinsically Safe) hand programmer for hazardous and
all other locations (battery is non-replaceable)
• approval:
• ambient temperature: −20 to 40 °C (−5 to 104 °F)
• interface:
• power:
• weight:
• color:
Mechanical
Flange
• Process Connection
• Materials of the wetted
parts – in contact with
the process
• Pressure (vessel)
• Horn types
Page 6
Configurable as a device status or limit value
(level, volume, mass)
Either NCC or NOC function
max. 50 V DC, max. 200 mA, rating max. 5 W.
Self-resetting fuse, R
Outputs electrically isolated from the power supply and
from each other
LCD, two lines of 16 characters each,
configurable for the following displays:
level, volume, mass, amplitude, digital output,
temperature, validity, signal-to-noise ratio
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)
proprietary infrared pulse signal
3 V lithium battery
150 g (0.3 lb)
black
Flange DIN 2527, ANSI B16.5, or JIS B2238 equivalent bolt
pattern (See page 11 for flange dimensions.)
Stainless steel 316/316L flange and 304 horn, PTFE
emitter (or glass/PTFE, Zone 0 and Zone 20 devices)
Varies with connection type. Refer to Appendix IV for
specifications.
Short horn, 74 mm (2.9") diameter
Long horn, 93 mm (3.7") diameter
SITRANS LR400 (7ML5421) – INSTRUCTION MANUAL 7ML19985FH06
= 9 Ω
i