Fully electronic compact water meter with impeller scanning for recording volume. Highly accurate recording of all billing data at medium temperatures up to 90 °C.
| Ambient class | OIML R49 class C / MID E2 + M1 | ||
| Protection class | IP 54 or IP 68 for cold and warm water meter | ||
| Interfaces standard | Optical ZVEI | ||
| Interfaces optional1 | M-Bus, L-Bus, pulse |
| Display indication | LCD, 7-digit | ||
| Unit | m³/h - l/h - m³ - l | ||
| Total values | 99,999.99 | ||
| Values displayed | Flow rate |
| Operating voltage | UN | VDC | 3.0 (lithium battery) |
| Battery lifetime | Up to 12 years | ||
| Nominal power | PN | μW | 30 |
| Optical | ZVEI interface for communication, M-Bus protocol | ||
| M-Bus | According to EN 1434-3. Data reading and parametrization are via two wires with polarity reversal protection. (Meter is powered with energy via M-Bus Master) | ||
| L-Bus | Interface for the radio module IZAR RADIO EXTERN | ||
| Pulse | Output for volume |
| Pulse rates | l/pulse | Decadic 0.1 ... 100 | |
| Display | 2 digits after comma | ||
| Pulse value 1 | l/pulse | 0.1 (factory setting) | |
| Pulse value 2 | l/pulse | 1 (factory setting) | |
| Pulse variants | Two forward pulses; one forward and one backward pulse; pulse and direction signal |
| Output type | Open collector | ||
| Max. frequency | Hz | 90 | |
| Max. input voltage | V | 30 | |
| Max. input current | mA | 27 | |
| Max. voltage drop at active output | V/mA | 2/27 | |
| Max. current through inactive output | μA/V | 5/30 | |
| Max. reverse voltage without destroying outputs | V | 6 | |
| Min. pulse duration | ms | 5.5 (at max. frequency of 90 Hz) | |
| Max. pulse duration | s | 2 | |
| Min. pulse pause | ms | 5.5 |
| Temperature range | °C | 30 (for cold water meter) / 90 (for warm water meter) | |
| Ambient operating temperature | °C | 1 ... 55 | |
| Ambient storage temperature | °C | -20 ... 55 | |
| Nominal pressure | PN | bar | 10 / 16 |
| Mounting position | In any position |
| Nominal diameter | DN | mm | 15 | 15 | 15 | 20 | 20 | 20 |
| Permanent flow rate | Q3 | m³/h | 2.5 | 2.5 | 2.5 | 4 | 4 | 4 |
| Overall length | L | mm | 110 | 130 | 165 | 105 | 130 | 190 |
| Overload flow rate | Q4 | m³/h | 3.125 | 3.125 | 3.125 | 5 | 5 | 5 |
| Transitional flow rate | Q2 | l/h | 32 | 32 | 32 | 51 | 51 | 51 |
| Minimum flow rate | Q1 | l/h | 201 | 201 | 201 | 321 | 321 | 321 |
| Starting flow rate | l/h | 3 - 4 | 3 - 4 | 3 - 4 | 5 - 6 | 5 - 6 | 5 - 6 | |
| Pressure loss at Q3 | Δp | mbar | 615 | 615 | 615 | 620 | 620 | 620 |
| Flow rate at 0.1 bar pressure loss | m³/h | 0.962 | 0.962 | 0.962 | 1.607 | 1.607 | 1.607 |
| Nominal diameter | DN | mm | 15 | 15 | 15 | 20 | 20 | 20 |
| Permanent flow rate | Q3 | m³/h | 2.5 | 2.5 | 2.5 | 4 | 4 | 4 |
| Overall length | L | mm | 110 | 130 | 165 | 105 | 130 | 190 |
| MID (DE-07-MI001-PTB008) - T30 | • | • | • | |||||
| MID (LNE 12552) - T90 | • | • | • | |||||
| MID (LNE 13629) - T30/T90 | • | • | • | |||||
| Dynamic range (Q3/Q1) | R | 80 / 100 / 125 | 80 / 100 / 125 | 80 / 100 / 125 | 80 / 100 / 125 | 80 / 100 / 125 | 80 / 100 / 125 |
Information pursuant to Article 33 (1) of Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006:
This product series contains articles with the following substances in a concentration of more than 0.1% weight by weight (w/w):
- Lead (CAS no.: 7439-92-1)
- 1,2-dimethoxyethane (CAS no.: 110-71-4)
| Nominal diameter | DN | mm | 15 | 15 | 15 | 20 | 20 | 20 |
| Permanent flow rate | Q3 | m³/h | 2.5 | 2.5 | 2.5 | 4 | 4 | 4 |
| Overall length | L | mm | 110 | 130 | 165 | 105 | 130 | 190 |
| Overall length with coupling | L2 | mm | 186 | 206 | 241 | 181 | 206 | 266 |
| Connection thread on meter | Inch | G¾B | G¾B | G¾B | G1B | G1B | G1B | |
| Connection thread of coupling | Inch | R½ | R½ | R½ | R¾ | R¾ | R¾ | |
| Height | H | mm | 20 | 20 | 20 | 20 | 20 | 20 |
| Height | H1 | mm | 75 | 75 | 75 | 75 | 75 | 75 |
| Diameter | Ø B | mm | 62 | 62 | 62 | 62 | 62 | 62 |
| Weight without coupling | kg | 0.8 | 1 | 1.3 | 0.8 | 1 | 1.5 | |
| Weight with coupling | kg | 1 | 1.2 | 1.5 | 1.3 | 1.5 | 2 |