Servomex 2700 - Page 35

Servomex 2700 Quickstart Manual
Servomex 2700 Quickstart Manual
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Ambient temperature Operating -10°C to +55°C
(+14°F to +131°F)
Control unit Storage -20°C to +55°C
(-4°F to +131°F)
Ambient temperature Operating -20°C to +70°C
(-4°F to +160°F)
Sensor head Storage -30°C to +80°C
(-2°F to +176°F)
Installation category Category II. Local level power
distribution with over voltage
withstand up to 2,500V in accordance
with IEC 664.
Ingress protection IP66 to IEC529:1989 and
BS EN60529:1992.
Type 4X to NEMA standards
publication no. 250.
Aspirator air requirements Pressure 0.2 to 0.3 barg
(3 to 5 psig).
Flow 1.5 litres/min typical.
Instrument grade compressed air, free
from oil, water and dirt
(See ISA-S7.0.01-1996).
Materials in contact with sample
Oxygen sensor 316 and 310 stainless steel, zirconia,
platinum, alumina, Ni/Fe/Cr alloy, high
temperature sealing glasses.
Combustibles sensor 316 stainless steel, platinum,
platinum/iridium, zirconia, alumina,
corrosion resistant glass, graphite
gasket.
Sensor head 316 and 303 stainless steel, gasket
sealing material.
Sample probes 316 and 310 stainless steel, Haynes
alloy 556, silicon carbide, high
temperature ceramic.