Datasheet
Data Sheet SONOMETER
TM
2000 – Ultrasonic heat meter
Technical data
INFOCAL 6
Basic data
Enviro. class EN 1434 class C / A
Protect. class IP 54
Display indication
Display LCD, 7 digit
Units MWh - kWh - GJ - Gcal - MBtu
Total values 9 999 999 - 999 999.9 - 99 999.99 - 9 999.999
Values displayed Power - energy - flow rate - temperature
Temperature
Ambient
°C
0 - 55
Storage -25 - +70
Input
Temp. sensors Type
Pt 100 / Pt 500 with 2-wire leads
< 10 m
Sensor current mA
Pt 100 peak < 8; rms < 0.015
Pt 500 peak < 2; rms < 0.012
Measuring cycle T s
Mains unit supply: 2
Battery: 16
Max. temp. difference ∆θ
max
K 177
Min. temp. difference ∆θ
min
K 3
Starting temp. difference ∆θ K 0.1
Absolute temp. measuring range θ °C -9.9...189.9
Supply voltage Operating voltage U
N
V DC 3.0 / 3.6 (Lithium battery)
SONO 1500 CT
Flow rate
Nominal q
p
m
3
/h 0.6 1.0 / 1.5 2.5 3.5 6
Maximum q
s
m
3
/h 1.2 2 / 3 5 7 12
Minimum q
i
l/h 6 10 / 6 10 35 24
Starting l/h 1 2.5 4 7 7
Diameter Nominal DN mm 15 20 15 20 20 25 32 25 32
Operating
pressure
Maximum PN bar 16 / 25 25 16 / 25 25 16 / 25 25 16 / 25 25 16 / 25 25
Temperature
range
Flow sensor °C 5 ... 130 5 ... 150
Medium circulation water (pH: 7 - 10)
Pressure loss At q
p
Δp mbar 85 36 / 75 100 44 128
Overall length mm 110 130 190 110 130 190
130
190 260 260
Pulse value
Volume l/imp. 0.001...5000 (depend on q
p
)
Test
1)
ml/imp. 5 10 20 20 50
Supply
voltage
Operating U
N
battery supply: 3.0 V DC
external supply: 3.0..5.5 V DC
2)
Basic data
Enviro. class EN 1434 class C / A
Protect. class IP 54 (heating) / IP 68 (cooling)
Applicable for direct mounting temp.
sensor, Pt100 / 500
yes no
1)
The test impulse depends on digits places of indicator volumes.
2)
For medium temperatures above 90 °C, the flow sensor must be equipped with an external supply.
Measuring accuracy to EN 1434 Class 2 for SONO 1500 CT and SONO 2500 CT
5
DH-SMT/PL
VD.SH.A3.02 © Danfoss 08/2009