Technical data - Data Sheet - WTT662-BA1100

Battery type

Lithium battery LSH20 (exchangeable)

Battery voltage

DC 3.6 V

Battery life

Up to 5 years ¹ + reserve

¹ Battery life (typically) 5 years as of commissioning and in operation. Actual battery life depending on operating state and external factors.

Battery type

Lithium battery LS14500 (exchangeable)

Battery voltage

DC 3.6 V

Battery life

Up to 10 years ¹ + reserve

¹ Battery life up to 10 years as of commissioning. Actual battery life depending an operating state and external factors.

Display

4-digit LCD + pictograms

Optical interface

Basic design

Similar to EN 62056-21

Protocol

As per EN 13757-2/ -3

M-bus interface

Current draw

1 M-bus load

Addressing

WTT662:Primary or secondary

Saved devices in WTT662: Secondary

Baud rate

300, 2400, or 9600 baud

Max. permissible reading frequency

Typically once daily

Protocol

As per EN 13757-2/-3, EN 1434-3

Radio AMR

Protocol

Wireless M-bus per EN 13757-4

Frequency band

S-mode: 868.3 (+/- 0.3) MHz with <1 % duty cycle

C-mode: 868.95 (+/- 0.25) MHz

Standards

Data transmission per EN 13757-4

Transmission power, S-mode

Max. 14 dBm / typical 12.5 dBm

Protection class

III as per EN 61140

Degree of protection of housing

IP20 per EN 60529

Running

Transportation

Storage

Temperature

-5...+55 °C

-25...+70 °C

-5...+45 °C

Humidity

<95% r.h. (non-condensing)

<95 % r.h. (non-condensing)

< 95% r.h. (non-condensing)

Product standards

EN62368-1

Information technology equipment

EU conformity (CE)

8000079949 *)

Environmental compatibility

The product environmental declaration A5W00031245A *) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal).

Dimensions

200 x 200 x 57.1 mm

(refer to "Dimensions")

Housing – Material

PC+ABS

Housing – Color

RAL 9016

Weight

Ca. 800 g (including package inserts)