MULTICAL® 302
Kamstrup A/S · Technical Description · 5512-1334_F1_GB_12.2016
33
Cooling meter
E3=V1(T2-T1)k
k-factor for T1
in outlet
A=3 (Flow
sensor in inlet
pipe)
T2(T
O
)
V1 and
T1(T
M
)
k-factor for T2
in inlet
A=4 (Flow
sensor in
outlet pipe)
V1 and
T2(T
M
)
T1(T
O
)
6.7
EMC conditions
MULTICAL
®
302 has been designed and CE-marked according to EN 1434 Class A (corresponding to Electromagnetic
environment: Class E1 of the Measuring Instruments Directive) and can thus be installed in both domestic and
industrial environments.
All control cables must be drawn separately and not parallel to e.g. power cables or other cables with the risk of
inducing electromagnetic interference. There must be a distance of min. 25 cm between signal cables and other
installations.
6.8
Climatic conditions
MULTICAL
®
302 is designed for indoor installation in non-condensing environments with ambient temperatures from
5…55
°
C, but max. 30
°
C for optimum battery lifetime. However, the flow sensor is specially protected against humidity
and tolerates condensing environment.
Protection class IP65 for the calculator allows splashes of water, but the calculator does not withstand permanent
water/humidity impact or submergence.
Protection class IP68 for the flow sensor allows permanent condensation and submergence.