Technical specifications

Table 107. Mechanics

Type

Value

Casing material

ABS UL94-V0 (white)

Protection class

IP30

Dimensions

80 x 80 x 25 mm

Weight

75 g

Mounting

Wall-mount


Table 108. Electrical connections

Type

Value

Supply voltage

Battery, life span 12 years


Table 109. Environmental specifications

Type

Value

Operating temperature

0-50 °C (CMa10w)

-20-55 °C (CMa11w)

Operating humidity

0 -95 %RH, no condensation

Operating altitude

0-2000 m

Pollution degree

Degree 2

Usage environment

Indoors

Storage temperature

-40-85 °C

Measurement range, temperature

0-50 °C (CMa10w)

-20-55 °C (CMa11w)

Measurement range, humidity

0-100 %RH


Table 110. Temperature sensor, margin of error

Type

Value

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: below -10 °C or above +30 °C

+/- 1.5 °C


Table 111. Humidity sensor, margin of error

Type

Value

Repeatability RH

+/- 0.1 %RH

Humidity: 10 to 90 %RH

+/- 2 %

Humidity: below 10 %RH or above 90 %RH

+/- 4 %


Table 112. User interface

Type

Value

Push button SW1

Enter setup mode, next page in setup mode

Push button SW2

Next page in standard mode, edit configurable field in setup mode

LCD display

CMa10w: Yes

CMa11w: No

Sensor data readout

Wireless M-Bus or NFC

Momentary values

Temperature, humidity, status

Historic values

Average values over last hour/day

Display language

English, Swedish, German, Spanish, Finnish, Italian


Table 113. M-Bus

Type

Value

Interfaces

M-Bus slave

M-Bus standard

EN13757-4, communication by T1


Table 114. M-Bus slave interface

Type

Value

Frequency, wireless M- Bus

868.95 MHz

Transmit power

10 mW

Transmit interval

6 min

Encryption

Yes

Wireless M-Bus modes

T1

Sensitivity

-104 dBm


Table 115. Approvals

Type

Value

EMC

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


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