ElecTo SJ is single jet meter offering built-in data communication thanks to its innovative electronic radio register. Designed specifically for residential installations, it is available for both cold and hot water applications. Its large LCD display makes it very easy to read, while providing additional information to both users and operators. Suitable for remote data reading using mobile and fixed systems, it fully meets the requirements of the European Directive on energy efficiency.
• Electronic single jet meter
• Ideal for residential indoor applications
• Available for hot and cold water
• DN: 15÷20
• MID-certified: R MAX 160
• High protection against external magnetic fields
• Health certifications available for a number of countries
• Register can be rotated 360°. IP68 protection
• Integrated wM-Bus, OMS radio
• Lithium battery with a minimum life of 7, 13 (default) or 15 years
• Fault detection: fraud, loss, overconsumption, reverse flow, blocked meter and reversed meter
• Programming and maintenance kit available upon request
• For further information on the functionality of electronic register and radio transmission, please refer to the instruction manual
| Size | mm | 15 | 20 | |||
| in | 1/2 | 3/4″ | ||||
| Module B no. | TCM 142/20 – 5700 | |||||
| Module D no. | 0119-SJ-A010-08 | |||||
| Q₃/Q₁ = R Referred to installation position |
H↑ ≤ 100 H→; V↓ ≤ 50 V↑ ≤ 40 |
H↑ ≤ 160 H→; V↓ ≤ 80 V↑ ≤ 63 |
H↑ ≤ 100 H→; V↓ ≤ 50 V↑ ≤ 40 |
H↑ ≤ 160 H→; V↓ ≤ 80 V↑ ≤ 63 |
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| MID standard performance * | ||||||
| Q₃ | m³/h | 1,6 | 2,5 | 4 | ||
| Q₄ | m³/h | 2 | 3,13 | 5 | ||
| R | 100 | |||||
| Q₁ | l/h | 16 | 25 | 40 | ||
| Q₂ | l/h | 25,60 | 40 | 64 | ||
* Other values of R available upon request.
| Maximum permissible error between Q₁ and Q₂ (excluded) |
+/- 5% | ||||||
| Maximum permissible error between Q₂ (included) and Q₄ |
+/- 2% with water temperature ≤ 30°C +/- 3% with water temperature > 30°C |
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| Temperature class | T30,T50,T30/90 | ||||||
| Flow profile sensitivity classes | U0 – D0 | ||||||
| Starting flow rate | l/h | 4,5 | 8 | ||||
| Head loss | ΔP63 | ||||||
| Nominal pressure | bar | 16 | |||||
| Maximum reading | m³ | 99.999 | |||||
| Minimum reading | l | 1 | |||||
| Indicative weight | kg | 0,39 | 0,45 | ||||
| Size | mm | 15 | 20 | |||
| in | 1/2 | 3/4 | ||||
| Thread | in | G ¾ B | G 1 B | |||
| L | mm | 80*/110/115/120/130 *only Q₃ 2,5 R ≤H100 VR63 |
80*/110/115/120/130 – *Starting flow rate 7l/h |
115/130 | ||
| H | mm | 72 | ||||
| h | mm | 11,7 | 16,7 | |||
| B | mm | 70 | ||||
