Siemens Sitrans 사용자 설명서
Page 4
SITRANS LC 500 – INSTRUCTION MANUAL
7ML19985GE01
mmmm
m
Specificat
ions
Technical Specifications: SITRANS LC 500
Power
Supply voltage
• maximum: 33 Vdc, (30 Vdc for IS)
• minimum
• minimum
12 Vdc at 3.6 mA (9.5 Vdc at 22 mA)
Loop current
3.6 to 22 mA / 22 to 3.6 mA (2-wire current loop)
Environmental
Location
indoor/outdoor
Altitude
2000 m max.
Ambient temperature
• standard: –40
o
C to 85
o
C (–40
o
F to 185
o
F)
• ATEX-Explosion Proof
–40
o
C to 70
o
C (–40
o
F to 158
o
F) for T6
–40
o
C to 85
o
C (–40
o
F to 185
o
F) for T5 to T1
Relative humidity
suitable for outdoor (Type 4X / NEMA 4X / IP 65
enclosure)
enclosure)
Installation category
II
Pollution degree
4
Performance
Measurement range
• MSP-2002-2
0 to 3300 pF
Minimum span
3.3 pF
Measurement frequency
420 kHz @ Cx = 0 pF
Accuracy
deviation <0.1% of actual measurement value
Non-linearity
0.1% full scale
Repeatability
0.1% actual measurement
Temperature stability
0.15 pF (0pF) or <0.25% (typically <0.1%) of actual
measurement value, whichever is greater over the full
temperature range of the transmitter
measurement value, whichever is greater over the full
temperature range of the transmitter