Flanged ultrasonic energy meters, intended for heating or cooling.We offer many different options, see the product sheet for more information.
Product specifications | |
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Power supply | 3 V lithium battery, min. 10 years. 24 V and 230 V power packs are available as accessories. |
Temperature range, heating (energy meeter) | 1…150 °C |
Temperature difference limits | 3…100K |
Temperature resolution | 0.01°C |
Temperature range, cooling (energy meeter) | 5…50 °C |
Storage temperature | -20…+60°C |
Ambient humidity | < 93 % RH |
Protection class | IP54 |
Calculation of heat from K | ΔΘ > 0.05K |
Calculation of cooling from K | ΔΘ < -0.05K |
Dual purpose heat/cooling meter | ΔΘHC < -0.5K |
Measurement frequency at qp | Cycle 30 s |
Data storage | EEPROM, daily storage of values |
Interfaces | M-Bus, pulse output or M-Bus with 2 pulse inputs |
Reading dates | Annual billing date selectable, 24 monthly values |
Display | LCD, 8 digits + additional symbols |
Display units | MWh, kWh, GJ, m3, m3/h, l/h, kW, MW, °C |
Mechanical class | Class M1 (MID: 31.03.2004 annex I) |
EMC | Class E1 (MID: 31.03.2004 annex I) |
Environmental class | A (EN 1434) |
Cable length | 3m |
Sensor element | PT500; separately approved type as per EN60751, unshielded |
Diameter, sensor | 6mm |
Installation | Direct or indirect in a temperature sensor pocket per EN1434 |
Temperature sensor requirements, heat meter | EU (MID) identification on the temperature sensors |
Temperature sensor requirements, cooling meter | National German approval as a temperature sensor for cooling meters. Requirements in other countries may be different. |
Connection | Flanged according to EN 1092-3 |
Pressure rating | PN25 |
Media | Water |
Mounting position | Horizontal or vertical |
Mounting position, cooling | Transducers (black housing) to the side of or under the measuring tube |
Point of installation | Return flow |
Temperature range | 5…130°C |
Temperature range, heating | 10…130°C |
Temperature range, cooling | 5…50°C |
Recommended minimum system pressure | 1 bar |