Meter | |
Accuracy | Standard calibration: ± 0.4% ± 2 mm/s |
| | Extended calibration DN 50 … DN 300 (2" … 12"): ± 0.2 % of rate ± 2 mm/s |
Low flow cut-off (default) | 0.05 % |
Media conductivity | Clean water > 20 Ојs/cm |
Temperature | |
Ambient | -20 … +60 °C (-4 … +140 °F) |
Media | 0 … 70 °C (32 … 158 °F) |
Storage | -40 … +70 °C (-40 … +158 °F) |
Enclosure rating | |
Remote sensor | IP68 to EN 60529/NEMA 6P, 10 mH2O cont. |
Compact version | IP68 to EN 60529/NEMA 6P, 3 mH2O for six months |
Certificates and approvals | |
Calibration | |
| 2 x 25 % and 2 x 90 % (default) |
| 5-point calibration: 20 %, 40 %, 60 %, 80 %, 100 % of factory Qmax 10-point calibration: ascending and descending at 20 %, 40 %, 60 %, 80 %, 100 % of factory Qmax Matched-pair calibration: default, 5-point, 10-point |
Material certificate EN 10204-3.1 | Available when ordering together with meter1) |
Drinking water approvals | - NSF/ANSI Standard 612) (cold water) USA
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- WRAS (BS 6920 cold water) UK
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Fire Service Approvals | FM Fire Service Meter (Class Number 1044)3) |
Conformity | |
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Sensor version | DN 25 … 1200 (1" … 48") |
Sensor material | Carbon steel ASTM A 105, with corrosion resistant two-component epoxy coating (150 Ојm/300 Ојm) Corrosivity category C4M, according to ISO 12944 |
Measuring principle | Electromagnetic induction |
Excitation frequency | |
Basic version | |
| DN 25 … 150 (1” … 6”): 1/15 Hz |
DN 200 … 600 (8” … 24”): 1/30 Hz |
DN 700 … 1200 (28“ … 48“): 1/60 Hz |
| DN 25 … 150 (1” … 6”): 6.25 Hz |
DN 200 … 600 (8” … 24”): 3.125 Hz |
DN 700 … 1200 (28“ … 48“): 1.5625 Hz |
Advanced version | |
| DN 25 … 150 (1” … 6”): 1/15 Hz (adjustable up to 6.25 Hz; reduced battery lifetime) |
DN 200 … 600 (8” … 24”): 1/30 Hz (adjustable up to 3.125 Hz; reduced battery lifetime) |
DN 700 ... 1200 (28“ ... 48“): 1/60 Hz (adjustable up to 1.5625 Hz; reduced battery lifetime) |
| DN 25 ... 150 (1” ... 6”): 6.25 Hz |
DN 200 ... 600 (8” ... 24”): 3.125 Hz |
DN 700 ... 1200 (28“ ... 48“): 1.5625 Hz |
Flanges | |
EN 1092-1 (DIN 2501) | DN 25 and DN 40 (1" and 1Ѕ"): PN 40 (580 psi) |
DN 50 ... 150 (2" ... 6"): PN 16 (232 psi) |
DN 200 ... 1200 (8" ... 48"): PN 10 or PN 16 (145 psi or 232 psi) |
ANSI 16.5 Class 150 | 1” ... 24”: 20 bar (290 psi) |
AWWA C-207 | 28" ... 48": PN 10 (145 psi) |
AS 4087 | DN 50 … 1200 (2" … 48"): PN 16 (232 psi) |
Liner | EPDM |
Electrode and grounding electrodes | Hastelloy C276/2.4819 |
Grounding straps | Grounding straps are premounted from the factory on each side of the sensor. |