DAS -

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2 input channels for overwinding signals

Stable 447MHz wireless frequency

Ultra low power design, Low battery alarm.

Certificate of Broadcasting and Communication Equipments

DAS overwinding sensor (OWS) detects overwinding of winches of the crane and out switching signal if detects overwinding. AirSW2 is the transmitter that transmit this signal from the OWS wirelessly to its receiver through 447MHz wireless frequency. With AirSW2, any wiring connections or cable reels for overwinding protector are unnecessary and neither battery replacement by convenient solar powered battery.

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General Specifications

Item	Specification	Remark
Transmitter	3.7V 2,000mAh Li-ion
Receiver	10 ... 30VDC
Wireless Frequency	447MHz
Communication Range	up to 100 meters
Channels	2ch for OWS
Receiver Output	Relay 2ch (30V, 5A)
Solar Power	0.29W
Waterproof	IP65
Operating Temp.	-30 ... +80 celsius
Dimensions	W98 x H103 x D32mm

AirSW2 is the transmitter only for DAS overwinding protector OWS.

NOTES

Do not install the harness towards upper direction.
Recharge by solar or replace the battery if the battery below 3.7V.
Receiver harness must be wired alogn the structure of the equipment to avoid any damages.
Do not weld any to equipment during devices are installed.
Check wiring connections before use.
12 months warranty is provided after released. Warranty provided only in case of using for designed purpose correctly.
Specifications, design and components can be changed without prior notice to improve its performances.

Wiring & Installations

There are 2 plugs of channels on the transmitter. Combine 2 pins plug of the transmitter (AirSW2-T) and the receptacle of the overwinding protector (OWS).
Wiring connect harnesses of the receiver (AirSW2-R) to the equipment (vehicle).
AirSW2 is powered off when it released to avoid discharging. Disassemble the receiver and turn on the power switch. (pointed by red marker)