Axis Industries QALCOSONIC HEAT 2, Техническое описание, инструкция по установке и эксплуатации

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PESHEAT2V01 2016-01-08
9
- Resolution of indication of temperatures and
temperature difference 0,1
o
C
- Maximum permissible RMS value of sensor current
5,5 mkA
- Recorded errors and their duration
Θ >181
o
C (or open circuit),
Θ < -41 o
C (or short-circuit).
NOTES: * - additional 3rd channel selects the user during on-site installation
** - selected by the customer when ordering the device
*** - depending on the value of the lower measurement limit of the temperature
difference of the connected pair of temperature sensors
2.3. Flow measurement
2.3.1. Ultrasonic flow measurement channels (sensors) 1 and 2
- Ultrasonic flow measurement sensors
(depending on the measurement circuits)
2 or 1
Heat meater flow sensor data are presented in Table 2.1
Table 2.1
Flow-rate, m³/h
Threshold
value, m
3
/h
Overall
length,
L, mm
Pressure
loss

p,
at q
p
, kPa,
not more
than
Connections end
(Thread – G, Flange –
DN)
Permanent
p
q
Maximum
s
q
Minimum
i
q *
0,6 1,2 0,006(0,024) 0,003 110 7
G3/4“
0,6 1,2 0,006(0,024) 0,003 190 0,9
G1“, DN20
1,0 2,0 0,01 (0,04) 0,005 110 11,3
G3/4“
1,0 2,0 0,01 (0,04) 0,005 190 2,5
G1“, DN20
1,5 3,0 0,006 (0,06) 0,003 110; 165 17,1
G3/4“
1,5 3,0 0,006 (0,06) 0,003 190 5,8
G1“, DN20
1,5 3,0 0,015 (0,06) 0,003 110; 165 17,1
G3/4“
1,5 3,0 0,015 (0,06) 0,003 190 5,8
G1“, DN20
1,5 3,0 0,015 (0,06) 0,005 130 7,2
G1“
2,5 5,0 0,01 (0,1) 0,005 130 19,8
G1“
2,5 5,0 0,01 (0,1) 0,005 190 9,4
G1“, DN20
2,5 5,0 0,025 (0,1) 0,005 130 19,8
G1“
2,5 5,0 0,025 (0,1) 0,005 190 9,4
G1“, DN20
3,5 7,0 0,035 (0,14) 0,017 260 4
G1 1/4“ DN25, DN32
6,0 12,0 0,024 (0,24) 0,012 260 10
G1 1/4“ DN25, DN32
6,0 12,0 0,06 (0,24) 0,012 260 10
G1 1/4“ DN25, DN32
10,0 20,0 0,04 (0,4) 0,02 300 18
G2“, DN40
10,0 20,0 0,10 (0,4) 0,02 300 18
G2“, DN40
15,0 30,0 0,06 (0,6) 0,03 270 12 DN50
15,0 30,0 0,15 (0,6) 0,03 270 12 DN50
25 50 0,1 (1) 0,12 300 20 DN65
25 50 0,25 (1) 0,12 300 20 DN65
40 80 0,16 (1,6) 0,2 350 18 DN80
40 80 0,4 (1,6) 0,2 350 18 DN80
60 120 0,24 (2,4) 0,3 350 18 DN100
60 120 0,6 (2,4) 0,3 350 18 DN100
Remark:
1.*Values of the minimum flow rates for measurement schemes U1L and U2L (accounting of
heating-cooling energy ) are presented in brackets.