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www.hoentzsch.com U426_flowtherm Ex_B_e_171206
3
Technical Specifications
3.1
Operating conditions
Ambient temperature of
connection housing in service
: -10 ... +50 °C
Type of protection
: IP65
: Intrinsic safety (ib) EN 60079-11
3.2
Housing and connection
Type of protection
: Intrinsic Safety (ib) EN 60079-11 and IP65 with battery compartment
cover and sensor plug screwed on tightly, connector sockets not in use
firmly capped, and USB connection cover tightly sealed
Material
: electrically conductive ABS plastic
External measurements, weight : W/H/L = 96/42/197 mm, approx. 590 g
Connections
: 5-pin connector plug for thermal sensors
8-pin connector plug for vane wheel, vortex or temperature sensors
12-pin connector plug for analog inputs or additional sensors
USB
for data logger readout, configuration and
external power supply via PC or mains adapter
3.3
Electrical data
Power supply
: via 4 alkaline manganese batteries
(exclusively DURACELL Simply MN1500 AA LR6 1.5V)
Open the battery compartment with a screw driver. Always change all 4 batteries at the same time,
checking for correct polarity. To close the compartment press it firmly in the seal (in the direction of the
connector sockets) and screw down tightly.
Work on the device may only be carriedout in non-explosive atmospheres. Please observe Safety Precau-
tions Section 8.2.
Mains supply
: via USB connection with PC or adapter plug (permitted only outside ex-
plosive atmospheres);
input voltage Um
6 VDC
Supply current
: via USB connection not less than 300 mA
Analog input 4-20 mA
: for connection of sensor in 2-wire system with
12 V;
allocation of unit, initial value and final value adjustable
Analog input 0-10 V
: for connection of sensors with voltage output;
input resistance
1 MOhm
12 V power supply for sensors, (
25 mA);
allocation of unit, initial value and final value adjustable
