User guide

TEMPERATURE LIMITS 2
17
OPTISONIC 7300 / 8300
www.krohne.com05/2012 - 7312262200 - AD EX OPTISONIC 7300/8300 R02
2.4 OPTISONIC 7000...-Ex
The OPTISONIC 7000-Ex and OPTISONIC 7000 XT-Ex have an ambient temperature in the range
of -40...+70°C. The maximum process medium temperature is listed in the table below.
2.5 OPTISONIC 8000...-Ex
The OPTISONIC 8000...-Ex high temperature (steam) flow sensor has an ambient temperature in
the range of -40...+60°C. The maximum process medium temperature is listed in the table
below.
CAUTION!
The temperature data below only applies to the meters with ultrasonic gas transducers made of
titanium (types G7.01 and G7.04). For the partly encapsulated transducer types G5.nn and G6.nn,
refer to Technical data on page 10
.
Temperature class Maximum process temperature [ºC] at T
a
= 70ºC
Standard design XT design
T6 80 80
T5 95 95
T4 130 130
T3 180 195
T2 n.a. 220
Temperature class Maximum process temperature [ºC] at T
a
= 60ºC
T6 80
T5 95
T4 130
T3 195
T2 290
T1 440