Kamstrup MULTICAL 402, Техническое описание, Страница: 9 / 113

MULTICAL® 402
Kamstrup A/S · Technical Description · 5512-742_M1_GB_01.2016
9
2.2 Electrical data
Calculator data
Typical accuracy
Calculator: E
C
Sensor set: E
±
(0.15 + 2/
∆Θ
) %
T
Display
±
(0.4 + 4/
∆Θ
) %
LCD – 7 (8) digits with digit height 7.6 mm
Resolution 9999,999 – 99999,99 – 999999,9 – 9999999
Energy units MWh – kWh – GJ – Gcal
Data logger (Eeprom) 460 days, 36 months, 15 years, 50 info codes
Clock/calendar Clock, calendar, leap year compensation, target date
Data communication KMP protocol with CRC16 used for optical communication
as well as modules.
Power of temperature
sensors
<
10
µ
W RMS
Supply voltage 3.6 VDC ± 0.1 VDC
Battery 3.65 VDC, D-cell lithium 3.65 VDC, 2xAA cell lithium
Replacement interval
-
Wall mounted
-
Mounted on flow
sensor
16 years @ t
BAT
12 years @ t
<
30 °C
℃
BAT
<
40 °C
℃
6 years @ t
BAT
5 years @ t
<
30 °C
℃
BAT
Data modules, frequent data communication and high ambient temperature
reduce the replacement interval (See paragraph 10.3 and 10.4)
<
40 °C
℃
Mains supply 230 VAC +15/-30%, 50/60 Hz
24 VAC ±50%, 50/60 Hz
Insulation voltage 4 kV
Power consumption
<
1W
Backup supply Integral SuperCap eliminates interruptions due to short-term power failures
EMC data Fulfil EN 1434 class A (MID class E1)
Temperature measurement
T1
Forward
temperature
T2
Return
temperature
∆Θ
(T1-T2)
Heat
metering
∆Θ
(T2-T1)
Cooling
metering
402-V
2-W Pt100
Measuring
range
0.00…165.00
°
C 0.00…165.00
°
C
0.01…165.00K 0.01…165.00K
402-W/T
2-W Pt500 Measuring
range
0.00…165.00
°
C 0.00…165.00
°
C
0.01…165.00K 0.01…165.00K
Max. cable lengths Pt100, 2-wire Pt500, 2-wire
(Max. ø6 mm cable) 2 x 0.25 mm
2
2 x 0.50 mm
: 2.5 m
2
2 x 1.00 mm
: 5 m
2
2 x 0.25 mm
: 10 m
2
2 x 0.50 mm
: 10 m
2
: 20 m