Venus DN20 (3/4'') Ultrasonic Heat Meter
Main Characteristics:
- Approved in accordance with MID
- Ultrasonic Heat Meter
- Brass housing material
- Metrological range R200
- 0-350°C Rotatable head and easy to read data
- LCD display with light
- Strong Plastic materials body
- DN15 ~ DN40 dimensions
- Support CJ188 communication protocol
- Support optica, RS485 and M-Bus interface
- Hermetically sealed register (IP67)
- Instalation Horizontal or Vertical
- Temperature 4 ~ 150°C
- 3,6V lithium, min 6 years battery life
- Spare parts and service available for 10 years
- 2 years of guarantee
EC type-examination certificate in conformity with
- 2004/22/EU (MID) MI-004 Heat Meter
- OIML R75 :2006
- EN 1434 - EN 13757
- EC Type Examination Certificate (RO-2275-15301)
- The Quality Assurance of Production Process (Module D)
- ISO 9001:2015
- ISO 14001:2015
- ISO 45001:2018
- ISO 27001:2013
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| Dimension | Nominal Diameter | DN | mm | 20 |
| Size | Inch | 3/4'' | ||
| Overall Lenght Without Connectors | L | mm | 130 | |
| Overall Lenght With Connectors | L1 | mm | 235,5 | |
| Thread Meter GxB | D | Inch | 1'' | |
| Thread Connector | d | Inch | 3/4'' | |
| Total Height | H | mm | 103 | |
| Width Approx (Display) | W | mm | 150 | |
| Weight | Weight Approx | * | kg | 0,787 |
| Package Without Connectors | * | kg | 0,916 | |
| Package With Connectors | * | kg | 1,192 | |
| Box Dimension (1 Unite) | * | cm | 20,5x14x13 | |
| Package Dimension (8 Unite) | * | cm | 43,5x29x29 | |
| Quantity Per Package | * | unite | 8 | |
| Threading : EN ISO 228-1 : 2003 | ||||
| Performance Data | Metrological Data | Nominal Daimeter | DN | mm | 20 | |||
| Size | Inch | 3/4'' | ||||||
| Nominal Flow Rate (m3/h) | Qp | 5,00 | ||||||
| Minimum Flow Rate (l/h) | Qi | 2,50 | ||||||
| Maximum Flow Rate (m3/h) | Qs | 0,05 | ||||||
| Measuring Range (R) | Qp / Qi | 250:1 or 100:1 or 50:1 | ||||||
| Accuracy Class | Class | 2 | ||||||
| Technical Data | Pressure Classes | MAP (Bar) | 16 | |||||
| Pressure - Loss Classes | ∆ P (Bar) | ＜25k Pa / Qp | ||||||
| Total Power | kW·h | 99,999,999 | ||||||
| Max. Indicating Range | m3 | 99 999 | ||||||
| Environment Temperature | Class A (5 ～ 55)℃ or Class B（-25 ～ -55)℃ optional | |||||||
| Instalation Positions | Horizontal / Vertical | |||||||
| Threshold of Heat Consumption | Start from 0.25K | |||||||
| Protection Class | IP 67 | |||||||
| Differential Range | (3 ～ 60) K（(2 ～ 110)K can be customized | |||||||
| Temperature Sensor | PT1000 | |||||||
| Heat (Cooling) Medium | Water | |||||||
| Power Supply | 3.6 Lithium battery | |||||||
| Battery Lifetime | ≥6 Years | |||||||