Wireless Water Level Controller (SR-02) RF433MHz

• Can work standalone to alarm with built-in buzzer and work with alarm panel; applicable to surface flat or rugged. 
• It alarms when detecting water, on-site with BEEP sound, and NO/NC output, meanwhile send wireless signal to the alarm host.

Installation

Please hang it at the place where should be detected. It will alarm automatically when the metal probe detects the water, meanwhile it will change relay status.

Setting

1. It can be powered by battery, or by external power adaptor, but battery and power adaptor can’t work together.

Note: When it works with power adaptor, please disconnect the DC jumper.

2. Buzzer sound can be turned on/off by SPK jumper.

3. There are two short-circuit status selectable when it’s alarming:

a.It will short-circuit all the time until there’s no water detected with NC jumper.

b.It only short-circuit for 2 seconds with MC jumper.

When the wireless transmission is on, the wired ports could be used as linkage output ports.

Coding

When the alarm panel is in setting status, use water or metal item to trigger the two inductor feet of this sensor. Then it can be coded with alarm panel.

Specifications

Input Voltage: 12V/300mA

Dry Battery: 12V /23A

Standby Current: <18uA

Alarming Current::<35mA

Wireless Frequency: 433MHz

Transmitting Distance: 90 M

Application please see below example: 

Packaging Details: Color/gift box
Delivery Detail: 1-3 days for sample, 5-7 days for orders

Shenzhen ERAY ELECTRONIC CO.LTD is a leading manufacturer of intruder alarm.

Main product: Auto dial alarm system, Old/Kid SOS alarm system,PSTN alarm system,PSTN+GSM dual auto dial alarm system, Smart network video alarm system and detectors like the smoke detector, gas detector. Our products had already sold to over 100 countries.

Our factory covers an area of 8,000 square meters, over 300 employees. passed international quality certification standards like CE,FCC,UL,ROHS.