Hot Cold Water Meter | Pulsar Dn-20
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Pulsar DN20 universal hot- and cold-water meter
💧 The Pulsar DN20 is a single-jet mechanical meter designed to measure cold and hot potable water.
It is suitable for private houses, cottages, apartments with DN20 pipework, small commercial properties and internal metering systems.
🌡️ Cold and hot water
The meter operates with water temperatures from +5 to +90 °C.
⚙️ Mechanical operation
Water flow rotates an impeller, while the mechanical register displays accumulated consumption in cubic metres.
- no electrical supply required;
- no battery required;
- independent of cellular coverage and internet;
- no SIM card required;
- easy visual reading.
📏 DN20 dimensions
- nominal bore — 20 mm;
- installation length — 130 mm;
- meter-body thread — G 1 inch;
- connection-tailpiece thread — G 3/4 inch.
📊 Flow rates
- permanent flow — 2.5 m³/h;
- maximum flow — 3 m³/h;
- class-B minimum flow — 0.03 m³/h;
- class-A minimum flow — 0.06 m³/h;
- class-B transitional flow — 0.12 m³/h;
- class-A transitional flow — 0.15 m³/h.
🎯 Accuracy class
- class B when installed horizontally;
- class A when installed vertically or at an angle.
🛡️ Working pressure
Maximum working pressure is 1.6 MPa, or 16 bar.
📡 Standard and pulse-output versions
- no-interface version — readings are taken directly from the register;
- pulse-output version — generates signals for an external controller or modem.
A pulse output is not an integrated GSM modem. Remote transmission requires an external modem, SIM card, receiving server and configuration.
📦 Package contents
- Pulsar DN20 water meter;
- connection tailpieces;
- union nuts;
- sealing gaskets;
- pulse sensor for the pulse-output version;
- product passport;
- certificate;
- factory packaging.
📄 Certificate periods
- four years for legal entities;
- eight years for individuals.
✅ Key advantages
- cold and hot water up to 90 °C;
- DN20 size;
- 2.5 m³/h permanent flow;
- pressure up to 16 bar;
- no electrical power required;
- 130 mm installation length;
- class-B accuracy when horizontal;
- standard or pulse-output version;
- suitable for private houses and cottages;
- manufactured in Russia.
⚠️ Important: confirm whether the selected item is the no-interface or pulse-output version and verify the supplied package.

Pulsar DN20 universal hot- and cold-water meter
💧 The Pulsar DN20 is a single-jet mechanical meter designed to measure cold and hot potable water.
It is suitable for private houses, cottages, apartments with DN20 pipework, small commercial properties and internal metering systems.
🌡️ Cold and hot water
The meter operates with water temperatures from +5 to +90 °C.
⚙️ Mechanical operation
Water flow rotates an impeller, while the mechanical register displays accumulated consumption in cubic metres.
- no electrical supply required;
- no battery required;
- independent of cellular coverage and internet;
- no SIM card required;
- easy visual reading.
📏 DN20 dimensions
- nominal bore — 20 mm;
- installation length — 130 mm;
- meter-body thread — G 1 inch;
- connection-tailpiece thread — G 3/4 inch.
📊 Flow rates
- permanent flow — 2.5 m³/h;
- maximum flow — 3 m³/h;
- class-B minimum flow — 0.03 m³/h;
- class-A minimum flow — 0.06 m³/h;
- class-B transitional flow — 0.12 m³/h;
- class-A transitional flow — 0.15 m³/h.
🎯 Accuracy class
- class B when installed horizontally;
- class A when installed vertically or at an angle.
🛡️ Working pressure
Maximum working pressure is 1.6 MPa, or 16 bar.
📡 Standard and pulse-output versions
- no-interface version — readings are taken directly from the register;
- pulse-output version — generates signals for an external controller or modem.
A pulse output is not an integrated GSM modem. Remote transmission requires an external modem, SIM card, receiving server and configuration.
📦 Package contents
- Pulsar DN20 water meter;
- connection tailpieces;
- union nuts;
- sealing gaskets;
- pulse sensor for the pulse-output version;
- product passport;
- certificate;
- factory packaging.
📄 Certificate periods
- four years for legal entities;
- eight years for individuals.
✅ Key advantages
- cold and hot water up to 90 °C;
- DN20 size;
- 2.5 m³/h permanent flow;
- pressure up to 16 bar;
- no electrical power required;
- 130 mm installation length;
- class-B accuracy when horizontal;
- standard or pulse-output version;
- suitable for private houses and cottages;
- manufactured in Russia.
⚠️ Important: confirm whether the selected item is the no-interface or pulse-output version and verify the supplied package.






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