Endress+Hauser Proline t-mass 65 PROFIBUS DP, Руководство по эксплуатации

Страница: 96 / 106

Technical data Proline t-mass 65 PROFIBUS DP
96
10.1.8 Operating conditions: Environment
Ambient temperature Standard: –20 to +60 °C (–4 to +140 °F), available on request –40 to +60 °C (–40 °F to +140 °F)
!
Note!
• Install the device at a shady location. Avoid direct sunlight, particularly in warm climatic regions.
(A protective hood is available on request)
• At ambient temperatures below –20 °C (–4 °F) the readability of the display may be impaired.
Storage temperature –40 to +80 °C (–40 to +176 °F), recom20 °C (+68 °F)
Degree of protection Standard: IP 67 (NEMA 4X) for transmitter and sensor
Shock resistance According to IEC 60068-2-31
Vibration resistance Acceleration up to 1 g, 10 to 150 Hz, following IEC 60068-2-6
Electromagnetic compatibility
(EMC) To IEC/EN 61326 and NAMUR recommendation NE 21
10.1.9 Operating conditions: Process
Medium temperature range Sensor:
t-mass F:
–40 °C to +100 °C (–40 °F to +212 °F)
t-mass I:
–40 °C to +130 °C (–40 °F to +266 °F)
Seals:
t-mass F:
Viton –20°C to +100°C (–4°F to +212°F)
Kalrez –20°C to +100°C (–4°F to +212°F)
EPDM –40°C to +100°C (–40°F to +212°F)
t-mass I (bonded seals):
Kalrez –20°C to +130°C (–4°F to +266°F)
Nitrile –35°C to +130°C (–31°F to +266°F)
EPDM –40°C to +130°C (–40°F to +266°F)
Medium pressure range
(nominal pressure) t-mass F:
–0.5 to 40 bar (–7.25 to 580 psi) gauge
t-mass I:
–0.5 to 20 bar (–7.25 to 290 psi) gauge
Limiting flow See “Measuring range” section.
→
Page 92 ff.
Pressure loss 2 mbar (0.029 psi) maximum (without flow conditioner)