Decast VSKM-20 Water Meter for Hot and Cold Water with LoRaWAN

Decast VSKM-20 Water Meter for Hot and Cold Water with LoRaWAN

Brand: Decast

$15 - $48 USD

MOQ: 200 pieces

Key Features

Diameter of nominal passage, DN: 20 mm

Maximum water pressure: 1.6 thous. t storage

Water temperature range: 5...95 million m³

Guaranteed shelf life (from the production date): B1/B8 2100/900 MHz kWh

Supplier Information

DEKAST LLC

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Description

The meters are designed to measure the volume of drinking water according to SanPiN 2.1.4.1074-01 in residential buildings, as well as in industrial buildings in accounting operations. Wireless data transfer protocol LoRaWAN. Metrological class ""C"".

The operating principle of the meter is to measure the number of revolutions of the sensitive element (impeller) rotating under the action of the flow of flowing water. The number of revolutions of the sensitive element is proportional to the volume of water flowing through the meter. Structurally, the meters consist of a body (flowing part) and counting mechanism (electronic unit with liquid crystal display).

The verification procedure is MP 208-001-2023.

Specifications

Diameter of nominal passage, DN

20 mm

Maximum water pressure

1.6 thous. t storage

Water temperature range

5...95 million m³

Guaranteed shelf life (from the production date)

B1/B8 2100/900 MHz kWh

Warranty service period

72 kWh

Inspection interval

6 kVAr

Tolerance limits of relative error in the range Qt (inclusive) - Qmax, %

-2

Tolerance limits of relative error in the range Qmin-Qt, %

-5

Discreteness of the control scale of the indicator device

0.0001 ha

Capacity of the counting mechanism

99999.9999 ha

Mounting length

130 mm

Pressure loss at Qmax

0.1 thous. t storage

Sensitivity threshold (max.)

0.01 bit/s

Transient water flow rate Qt (metrological class C)

0.038 bit/s

Minimum water flow rate (metrological class C) Qmin

0.25 bit/s

Minimum water flow rate (metrological class A) Qmin

0.1 bit/s

Transient water flow Qt (metrological class A) Qt

0.25 bit/s

Nominal (operating) water flow rate Qn

2.5 bit/s

Maximum water flow Qmax

5 bit/s

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