Vaisala HMT360N - Manual (Page 81)

Chapter 9 ____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 79
General
IECEx (VTT) Ex ia IIC T4 Ga
IECEx VTT 09.0002x issue No:1
Safety factors U
i
= 28 V, I
i
= 100 mA, P
i
= 700 mW
C
i
= 1 nF, L
i
negligibly low
Environmental specifications T
amb
= -40 ... +60 °C (-40 ... +140 °F)
P
amb
= 0.8 ... 1.1 bar
Table 12 General Specifications
Property Description / Value
Operating voltage
with serial port (service mode) 12 ... 28 V
15 ... 28 V
Connections screw terminals,
0.33 ... 2.0 mm
2
wires
(AWG 14-22)
Cable bushings M20×1.5 (7.5 ... 12 mm)
M20×1.5 (10.5 ... 15 mm)
Conduit fitting M20×1.5 / NPT 1/2"
Operating temperature range for electronics
with display
Storage temperature range
-20 ... +60 °C
-40 ... +70 °C
Housing material G-AlSi 10 Mg (DIN 1725)
Housing classification IP 66 (NEMA 4X)
Housing dimensions 164 Ч 115 Ч 62 mm
Housing weight 950 g
Fully electromagnetically compatible
according to standards EN 61326-1: Electrical
equipment for measurement,
control and laboratory use -
EMC requirements; Industrial
environment
NOTE IEC 1000-4-5 complies only when using external EXi approved surge
arrester on safe area.