Engelmann Sensor GmbH, Rudolf-Diesel-Straße 24-28 , 69168 Wiesloch-Baiertal, Germany
Phone.: +49 (0)6222-9800-217 , Fax: +49 (0)6222-9800-50, E-Mail: [email protected], www.engelmann.de
Article-No. 1080700010 - 2011-04-01
Engelmann
T h e h e a t m e t e r s p e c i a l i s t s
®
Page 10
14 Technical Data
Calculator
Ambient temperature
°C
5 ... 55
Temperature range
°C
1 ... 150 °C (optional 1 ... 180 °C)
Temperature difference
heat
K
3 K... 100 K
(3 ... 130 for temperature meas-
urement range 1 °C - 180 °C)
Temperature difference
cooling
K
-3 K... -50 K
Calculation of heat from
K
∆Θ
> 0.05
Calculation of cooling from
K
∆Θ
< -0.05
Dual-purpose heat/
cooling meter
K
∆Θ
HC
< -0.5
Resolution temperature
°C
0,01
Measurement cycle
30 seconds
(with external power supply 4 sec.)
Power supply
stan-
dard
3,6 V lithium
(6+1 years)
optional
3V power pack
supply via M-bus
Pulse values
stan-
dard
see type identi
fi
cation
Pulse length
min. pulse length 25 ms
min. pulse interval 25 ms
Display
LCD 8 special characters
Units
stan-
dard
MWh
optional
kWh, GJ
Interfaces
stan-
dard
infrared
optional
M-Bus
2 potential-free contact outputs for
volume and energy
or
2 additional pulse inputs
(max. length of cable 10 m)
2 potential-free contact outputs for
heat- and cooling energy (dual-
purpose meters)
or
2 additional pulse inputs
Data storage
E
2
PROM / daily
Maximal value storage
3 each for
fl
ow and power
Billing dates
annual billing date selectable
(from dd.mm. to dd.mm.)
Monthly values
24 monthly values readable
Protection class housing
IP65
EMC
class E1
Mechanical environment
class M1
Pulse input device
microcontroller CMOS input class IB as per
EN1434-2:2007
Dimensions
length x width x height
198 mm x 123.7 mm x 45.8 mm
Weight
approx. 250 g
Requirements for the temperature sensor pair
Platinum precision resistor Pt500; separately approved type
as per EN 60751
Length of connecting
cables (unshielded)
3 m in 2-wire technique
10 m in 4-wire technique
Installation
direct
in temperature pocket as per
EN1434
In the case of non-permanently attached temperature sensors
the temperature sensors that are later connected must meet the
following requirements:
Application
Requirements for separate tem-
perature sensors
Heat meter
EU (MID) identi
fi
cation on the tempera-
ture sensors
Cooling meter
National approval as a temperature
sensor for cooling meters *)
Dual-purpose heat
and cooling meter
EU (MID) identi
fi
cation and
separate national approval as a
temperature sensor for cooling meters *)
*) Requirements in countries other than Germany may be different.
All classes refer to the currently valid legal requirements for heat
meters (see Declaration of Conformity).
15
Application of Confi guration Software
Engelmann
®
Monitor
Available separately (including instructions).
