AT15 and AT20 Prepaid Cold Water Meters (DN15 and DN20)
|
Technicial Specifications |
|
AT15-165-E3 |
AT20-190-E3 |
AT20-190-C3 |
AT20-190-B3 |
|---|---|---|---|---|---|
|
Maximum Working Pressure |
bar |
16 |
16 |
16 |
16 |
|
Q3’te Maximum Pressure Loss |
bar |
0,63 |
0,63 |
0,63 |
0,63 |
|
Metrological Class |
Class |
R100 |
R100 |
R160 |
R80 |
|
Installation Type |
Horizontal |
Horizontal |
Horizontal |
Horizontal |
|
|
Connection Diameter |
G 3/4” (DN15) |
G1” (DN20) |
G1” (DN20) |
G1” (DN20) |
|
|
Battery Life |
10 Years |
10 Yıl |
10 Yıl |
10 Yıl |
|
|
Ambient Operating Temperature |
C |
+5...55 |
+5...55 |
+5...55 |
+5...55 |
|
Metrological Limits ( EN 14154, OIML R49 ) |
|||||
|
Minimum Flow Rate (Q1) |
m3/h |
0,025 |
0,025 |
0,01563 |
0,03125 |
|
Transitional Flow Rate (Q2) |
m3/h |
0,040 |
0,040 |
0,025 |
0,050 |
|
Permanent Flow Rate (Q3) |
m3/h |
2,5 |
2,5 |
2,5 |
2,5 |
|
Overload Flow Rate (Q4) |
m3/h |
3,125 |
3,125 |
3,125 |
3,125 |
|
Maximum Water Temperature (Tmax) |
C |
50 |
50 |
50 |
50 |
|
Register Digit Number (Integer+Decimal) |
8 (6+2) |
8 (6+2) |
8 (6+2) |
8 (6+2) |
|
|
Physical Features |
|
|
|
|
|
|
Weight |
kg |
1,35 |
1,35 |
1,35 |
1,35 |
|
Protection Class (IEC 60529-2-30) |
IP65 |
IP65 |
IP65 |
IP65 |
|
|
Mechanical Class / Electromagnetic Class |
M1 / E1 |
M1 / E1 |
M1 / E1 |
M1 / E1 |
|
|
Module Type (Optional) |
RF, MBUS / Pulse Output / Communication Module, RS485 |
||||
| Model | A | B | C | D | E |
|---|---|---|---|---|---|
| AT15-165-E3 | 148 | 100 | 77 | 165 | G 3/4” |
| AT20-190-E3 | 148 | 100 | 77 | 190 | G1” |
| AT20-190-C3 | 148 | 100 | 77 | 190 | G1” |
| AT20-190-B3 | 148 | 100 | 77 | 190 | G1” |
