SENSING LABS SL 4MA-LAB-41NS Datasheet

SMART BUILDING

Ref : 4MA-LAB-41NS

INDOOR

WIRELESS TRANSMITTER FOR

4-20 MA SENSORS MONITORING

SENLAB™ A IS A SMART WIRELESS DEVICE, FEATURING

THE LoRaWAN™ CONNECTIVITY PROTOCOL, EQUIPPED WITH

A 4-20 MA INPUT SENSOR COMPATIBLE WITH PRESSURE

+ 20 years*
(replaceable battery)

15 km *

Local or Public
Network compliant

* Depending on the
operating conditions

IP30
(Indoor use)

• Ensure Air quality

Physical

specications

RF

specications

EC Conformity :

Compliant with Directive

2014/53/UE (RED)

TRANSMITTERS, ACCELEROMETERS, AIR QUALITY SENSORS...

Designed for indoor use, Senlab™ A offers a small casing with discreet
aesthetic that makes it ideal to monitor professional freeze and cold rooms.

This Senlab offers best in class features such as :

• Battery life time more than 20 years

• Rich Data Content thanks to datalogging : Up to 24 measures / radio transmission

• Radio Performances

• Advanced set of functionalities

• Optimize 4-20mA sensors

Dimensions 50 x 91,5 x 25 mm

Weight 60 gr

Operating temperature 0°C to +55°C

RF sensitivity -137 dBm

RF power +14dBm (25mW)

Radio band 868 MHz

EMC

Radio EN 300 220-2 v3.1.1

Magnetic eld exposure EN 62479

Safety EN 60950-1, EN 60950-22

Final draft EN 301 489-3 v2.1.1

Draft EN 301 489-1 v2.2.0

www.sensing-labs.com

TECHNICAL FEATURES FOCUS

DIMENSIONAL DRAWING

91.5 mm

25 mm

50 mm

Plug & Play installation

• Product xing with double

sided tape or screw mounting

• Screw terminal for 4/20mA

sensor cable connection

• Activation with magnet

(LED feedback)

High congurability

• High and Low threshold

overrun conguration

• Log and transmit mode

for battery lifetime enhancement
up to 24 measures per
transmission

• Reconguration possible

over the air

Network Conguration

• LoRaWAN parameters

(OTAA or ABP activation mode,
initial datarate,...)

• Encryption keys customizable by

client standard LoRaWAN retries
support

• Radio collisions avoidance

by pseudo-randomization of
transmissions

• Advanced transmission reliability

mechanisms (redundancy of data,
recovery of lost messages, ...)

BATTERY LIFE DURATION ESTIMATION

This following matrix provides the estimated battery lifetime depending on
the average spreading factor used by the Senlab and the transmission period.

Battery life (years) 10 min 15 min 30 min 1 h 2 h 4 h 6 h 8 h 12 h 24 h

SF7 14,1 15,8 18,0 19,4 >20 >20 >20 >20 >20 >20

SF8 11,5 13,5 16,4 18,4 19,6 >20 >20 >20 >20 >20

SF9

SF10

SF11

SF12

8,4 10,4 14,0 16,8 18,6 19,7 >20 >20 >20 >20

5,5 7,3 10,8 14,3 17,0 18,8 19,5 19,8 >20 >20

3,4 4,7 7,7 11,3 14,7 17,3 18,4 19,0 19,6 >20

2,0 2,9 5,0 8,1 11,7 15,0 16,6 17,5 18,5 19,7

6 measures per frame.

www.sensing-labs.com

T : [phone]

[e-mail]

For guidance and information purposes only.

Sensing Labs - 187 rue Hélène Boucher
34170 Castelnau-le-Lez