Owner's Manual

Retraction
The device must be put into service mode in order to change the
cartridge or battery. Do not open the device until the notification that
the device is ready for service is sent by the app.
Lid Closure
User must hear the click when the lid is closed. The device can sense
when the lid is closed and the user will receive a notification in the app
that the monitor is closed. The user must wait until the app notification
is received before placing the monitor into the water.
Cartridge Safety Label Information
Use with Sutro Monitor only
Safety Data Sheet (SDS) available at: mysutro.com/sds
Sutro Connect Inc.
181 2nd St.
San Francisco, CA 94105
Contains: Phenol Red Indicator 1 mL; Total Alkalinity Indicator 1 mL;
Alkalinity Titration Reagent 1 mL 0.14% Sulfuric acid; DPD 1A 1 mL; DPD 1B 1
mL<0.2% Phosphorous acid; <1% N,N-Diethyl-p-phenylenediamine sulfate
Sutro Owner’s Manual | 9