Technical specifications

Table 144. Mechanics

Type

Value

Casing material

Polystyrol (light grey)

Protection class

IP65

Dimensions

110 x 100 x 52 mm

Weight

140 g

Connection M-Bus

Screw terminal, <1.5 mm2

Mounting

Wall-mount


Table 145. Electrical connections

Type

Value

Power supply

21-42 VDC (through M-Bus connection, independent of the wiring polarity)

Power consumption

1.5 mA (M-Bus 1T)


Table 146. Environmental specifications

Type

Value

Operating temperature range

-40 - +50 °C

Temperature 10 to +30 °C

+/- 0.2 °C

Temperature 0 to +10 °C

+/- 0.4 °C

Temperature -10 to +0 °C

+/- 0.5 °C

Temperature -40 to +55 °C

+/- 1.5 °C


Table 147. Humidity sensor

Type

Value

Range

0 to 100 %RH

Repeatability RH

+/- 0.1 %RH

Humidity 10 to 90 %RH

+/- 2 %

Humidity 0 to 100 %RH

+/- 4 %


Table 148. M-Bus 

Type

Value

M-Bus standard

EN 13757

M-Bus baud rate

300, 2400 Bit/s

IR interface

No

M-Bus commands

SND_UD

SND_NKE

REQ_UD2

Addressing modes

Secondary

Primary

Momentary values

Temperature

Humidity

Status

Historic values

Average values for last hour and last day


Table 149. Approvals

Type

Value

EMC

EN 61000-6-2, EN 61000-6-3


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