Hanna Instruments Gro Line HALO 2 Instruction Manual

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3TABLE OF CONTENTSTABLE OF CONTENTS1. Preliminary Examination ..................................................................................................................42. Specifications ..................................................................................................................................43. General Description & Intended Use ..................................................................................................5Operating Modes ......................................................................................................................5Probe Features .........................................................................................................................54. Functional Description & LCD Display .................................................................................................55. General Operations ..........................................................................................................................6Turning the Tester On & Off .......................................................................................................6Battery Replacement ................................................................................................................66. Setup .............................................................................................................................................6Temperature Unit ....................................................................................................................6Auto-Off Interval ......................................................................................................................6Buffer Set ................................................................................................................................6pH Resolution ..........................................................................................................................6Bluetooth ® Mode.....................................................................................................................6Bluetooth Pairing .....................................................................................................................7Date & Time ............................................................................................................................77. Bluetooth........................................................................................................................................78. Hanna Lab Application .....................................................................................................................7Tag a Measurement ..................................................................................................................79. Calibration ......................................................................................................................................7Preparation..............................................................................................................................7Procedure ................................................................................................................................7Stand-Alone Tester (Up to Three-Point Calibration) ......................................................................8With Hanna Lab App (Up to Four-Point Calibration) ....................................................................810. Measurement ................................................................................................................................811. Care & Maintenance ......................................................................................................................8Refilling the Electrode ...............................................................................................................9Storage ...................................................................................................................................912. Warning & Error Messages .............................................................................................................913. Accessories....................................................................................................................................9Certification........................................................................................................................................10Recommendations For Users ................................................................................................................10Warranty ...........................................................................................................................................10The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.