HOLDING TANK MONITORING SYSTEM MANUAL v1.01

OVERVIEW
- Laser sensor mounted on inside lid of holding tank to measure level.
- Email alert on high or low level.
- Webapp displays level. 
- Replaceable AA batteries with 10 year life.
- BLE/WIFI gateway sends info to monitoring server or directly to you via your wifi router. 
- One button WPS press to setup gateway.
- QR code scan to setup sensor app.


SPECIFICATIONS
- Measurement range 10 to 200cm.
- Operating temperature -30C to +50C.
- Gateway to sensor distance is approximately 50ft.
- Gateway to router distance is approximately 50ft.
- Battery life on 2x AA alkaline batteries is approximately 5 years.
- Battery life on 2x AA lithium batteries is approximately 10 years.


PACKAGE CONTENTS
- 1 sensor.
- 1 gateway.
- 1 acdc usb adapter.
- 1 optional side wall mounting bracket.
- 4 self taping screws.
- 1 QR code with sensor address for webapp.
- 1 optional magnet


BASIC INSTALLATION

App 
- Scan QR code supplied with phone. 
- Add website to home screen to install webapp. 
- Go to Setup screen and fill in parameters and save. 

Gateway
- Press WPS button on your wifi router. 
- Plug gateway into power within 50 feet of sensor and router.

Sensor
- Install sensor on underside of holding tank lid with window point to target. 
- Optionally mount sensor on side wall using bracket. 
- Measure high and low levels in centimeters and enter into app. 
- Place magnet near sensor window for 10 seconds to send test measurement.
- Refresh app screen to see measurement.


ADVANCED INSTALLATION

Gateway
- The gateway can be setup to not use the gorko.ca webapp or email services. 
- Plug the gateway into power, or cycle for 2s to get into management screen.
- If the gateway has been configured for an SSID, it will be in your router list.
- For 10s it will try to connect to station. For next 30s, it will try to connect WPS
- If the gateway has not been configured for an SSID, in 40 seconds connect to the "measure" SSID.
- You have 30s to connect to management screen.
- Setup parameters as required for your advanced needs. 
- Select reset from menu to start receiving sensor messages.
- When the blue led is flashing quick, it is trying to connect to a station or WPS.
- When the blue led is flashing slow, you can connect to the management screen.
- When the blue led is off, the gateway is in BLE mode and WIFI is off.
- The red led is power.
- When in BLE mode it is listening for messages from the sensor.
- Do not open the gateway.

Sensor 
- Install sensor on underside of holding tank lid with window point to target. 
- Optionally mount sensor on side wall using bracket. 
- Measure high and low levels in centimeters and enter into gateway. 
- Place magnet near sensor window for 10 seconds to send test measurement.
- Refresh app screen to see measurement.
- Open the sensor to replace the two AA batteries when low. 
- DO NOT over tighten the screws.


SERVER WEBAPP

[Refresh] data on display.
[Level] percent full display of low to high.
[Setup] operational data.
[Save] data.
[Test] send email.

[Help]
{Address} of Sensor the account is based on.
{Password} to secure account login. If used, a key password must be setup on the Gateway.
{Time} indicates when the data was updated.
{Battery} level. Change the battery when low.
{Signal} measurement by Gateway of Sensor.
{Rang}e is the distance from Sensor to target.
{Low} defines distance for the low level.
{High} defines distance for the high level.
{Alarm} specifies level to send email alarm.
{To} email address(es) separate by semicolon.
{Subject} of email. Message is Alarm or Test.


MEASURE APP

[Setup] to configure parameters.
[Done] go back to home screen to scan for sensors.
{Speak Results} enable audio output of measurement.
{Sensor Address} to scan for. * matches all. Separate multiple addresses with ;


GATEWAY WEBAPP 

TBD