Hydrodigit-S1 Single Jet Water Meter (15mm-20mm)
The digital single jet smart meter
The HYDRODIGIT-S1 is a single-jet water meter with a digital display across 8 digits and inductive transmission.
Produced in versions for cold and hot water in diameters DN15 and DN20 mm (1/2″ – 3/4″), this meter has a 360° rotating dial for ease of reading.
Wireless M-BUS OMS or LoRa integrated transmission module.
| Media Type: Water |
| Connection Type: BSP Screwed |
Basic Version Features
The features below are available as standard.
- Available in R250-H ↑ and R160-V H ↓ → versions
- For cold water 0.1 – 50°C
- For hot water 30 – 90°C
- Turbine reading through inductive system
- IP68 Protection
- Battery life of 10 years
- Historical consumption archive
- Alarms (Reverse flow, losses, etc.)
- 360° rotating digital dial
- Impossible to fraud magnetically
- Integrated communication modules WMBUS or LoRa
- Connectable to a PC via an IR IEC 62056-21 probe
Upon Request Features
The features below are available upon request and are not standard.
- Equipped with NB-IoT module
- R400-H ↑ and R160-V H ↓ → versions
- R160 version
- Lid
Product Information
| Category | Manufacturer | Part Code | Size | Description | Mechanism | MID Class | Communication | Length | Typ Lead Time |
| Water Meter | B Meters | R400/15SJC | 15mm | BSP Screwed Hydrodigit DN15 WRAS & MID R400 Wireless M-Bus & LoRaWAN Digital Cold Water Meter, Q3 2.5 - L110mm | Single Jet | R400 | Wireless M-Bus | LoRaWAN | 110mm | 8-10 weeks |
| Water Meter | B Meters | R400/20SJC | 20mm | BSP Screwed Hydrodigit DN20 WRAS & MID R400 Wireless M-Bus & LoRaWAN Digital Cold Water Meter, Q3 4 - 130mm | Single Jet | R400 | Wireless M-Bus | LoRaWAN | 130mm | 8-10 weeks |
| Water Meter | B Meters | R400/15SJH | 15mm | BSP Screwed Hydrodigit DN15 WRAS & MID R400 Wireless M-Bus & LoRaWAN Digital Hot Water Meter, Q3 2.5 - L110mm | Single Jet | R400 | Wireless M-Bus | LoRaWAN | 110mm | 8-10 weeks |
| Water Meter | B Meters | R400/20SJH | 20mm | BSP Screwed Hydrodigit DN20 WRAS & MID R400 Wireless M-Bus & LoRaWAN Digital Hot Water Meter, Q3 4 - 130mm | Single Jet | R400 | Wireless M-Bus | LoRaWAN | 130mm | 8-10 weeks |
| Water Meter | B Meters | R400/MB/15SJC | 15mm | BSP Screwed Hydrodigit DN15 WRAS + MID R400 Wired + Wireless M-Bus & LoRaWAN Digital Cold Water Meter, Q3 2.5 - L110mm | Single Jet | R400 | M-Bus | Wireless M-Bus | LoRaWAN | 110mm | 8-10 weeks |
| Water Meter | B Meters | R400/MB/20SJC | 20mm | BSP Screwed Hydrodigit DN20 WRAS + MID R400 Wired + Wireless M-Bus & LoRaWAN Digital Cold Water Meter, Q3 4 - 130mm | Single Jet | R400 | M-Bus | Wireless M-Bus | LoRaWAN | 130mm | 8-10 weeks |
| Water Meter | B Meters | R400/MB/15SJH | 15mm | BSP Screwed Hydrodigit DN15 WRAS + MID R400 Wired + Wireless M-Bus & LoRaWAN Digital Hot Water Meter, Q3 2.5 - L110mm | Single Jet | R400 | M-Bus | Wireless M-Bus | LoRaWAN | 110mm | 8-10 weeks |
| Water Meter | B Meters | R400/MB/20SJH | 20mm | BSP Screwed Hydrodigit DN20 WRAS + MID R400 Wired + Wireless M-Bus & LoRaWAN Digital Hot Water Meter, Q3 4 - 130mm | Single Jet | R400 | M-Bus | Wireless M-Bus | LoRaWAN | 130mm | 8-10 weeks |
| Size | mm (in) | 15 (1/2”) | 20 (3/4”) |
| Overload flow rate Q4 | m³/h | 3.125 | 5 |
| Permanent flow rate Q3 | m³/h | 2.5 | 4 |
| Min reading | l | 2 | 3 |
| Max reading | m3 | 99,999 | 99,999 |
| Max admissible pressure MAP | bar | 16 | 16 |
| R=160VH | mm (in) | 15 (1/2″) | 20 (3/4”) |
| Transitional flow rate Q2 | l/h | 25 | 40 |
| Min flow rate Q1 | l/h | 15.625 | 25 |
| R=250H ↑ | mm (in) | 15 (1/2″) | 20 (3/4”) |
| Transitional flow rate Q2 | l/h | 16 | 25.6 |
| Min flow rate Q1 | l/h | 10 | 16 |
| R=400H ↑ | mm (in) | 15 (1/2″) | 20 (3/4”) |
| Transitional flow rate Q2 | l/h | 10 | 16 |
| Min flow rate Q1 | l/h | 6.25 | 10 |
| Size | mm (in) | 15 (1/2″) | 15 (1/2”) | 20 (3/4”) | 15 (1/2″) | 15 (1/2”) | 20 (3/4”) |
| L | mm | 80 | 110 | 130 | 145 | 165 | 190 |
| I | mm | 160 | 190 | 228 | 225 | 245 | 288 |
| H | mm | 77 | 74 | 77 | 74 | 74 | 77 |
| h | mm | 13 | 14 | 17 | 14 | 14 | 17 |
| B | mm | 81 | 81 | 81 | 81 | 81 | 81 |
| D* | in | 3/4” | 3/4” | 1” | 3/4″ | 3/4″ | 1″ |
| Weight with Unions | Kg | 0.60 | 0.65 | 0.85 | 0.55 | 0.56 | 0.70 |
| Weight without Unions | Kg | 0.45 | 0.50 | 0.60 | 0.40 | 0.41 | 0.45 |
*Threading to EN ISO 228-1:2003
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