HF scientific 19998 Triple Validation Turbidimeter - 0-100 NTU - Manual (Page 5)

TVT 1 (5/02) ii
Rev. 2.6 (.pdf)
Table of Contents
Specifications.................................................................................................................................. 1
1.0 Overview............................................................................................................................. 2
1.1 Unpacking and Inspection of the Instrument and Accessories ....................................... 2
1.2 The Display..................................................................................................................... 3
1.3 The Touch Pad ................................................................................................................ 3
2.0 Safety .................................................................................................................................. 4
3.0
Installation and Commissioning ......................................................................................... 5
3.1 Mounting & Site Selection.............................................................................................. 5
3.2 Plumbing......................................................................................................................... 6
3.3 Electrical
Connections .................................................................................................... 6
4.0 Normal Operation ............................................................................................................... 8
4.1 Routine Measurement ..................................................................................................... 9
4.2 Security Access Feature.................................................................................................. 9
5.0 Instrument Calibration ........................................................................................................ 9
5.1 Calibration Standards.................................................................................................... 10
5.2 Calibration Procedures.................................................................................................. 10
6.0 Calibration by Comparison to Laboratory Measurements (Instrument Offset)................ 14
7.0 Instrument Configuration (Range).................................................................................... 15
7.1 0-100 NTU Range Selection......................................................................................... 15
8.0 Instrument Configuration (SETUP Mode)........................................................................ 16
8.1 Displayed Resolution.................................................................................................... 16
8.2 Setting the Year............................................................................................................. 16
8.3 Setting the Day and Month ........................................................................................... 16
8.4 Setting the Time............................................................................................................ 17
8.5 Programming the Alarms.............................................................................................. 18
8.5.1 Alarm 1 ................................................................................................................. 19
8.5.2 Alarm 2 ................................................................................................................. 20
8.6 Setting the Analog Output (O/P)................................................................................... 20
8.7 Configuring the RS485 I/O Port ................................................................................... 21
8.8 Setting the Security Access Option............................................................................... 22
9.0 Troubleshooting/System Alarm Relay.............................................................................. 23
9.1 System Warning Message(s)......................................................................................... 23
9.2 System Error Message .................................................................................................. 24
9.3 Technical and Customer Assistance ............................................................................. 24
10.0 Routine Maintenance ........................................................................................................ 25
10.1 Cleaning the Optical Chamber (Sample Tube)............................................................. 25
10.2 Replacing the Desiccant Cartridge................................................................................ 25
11.0 Accessories and Replacement Parts List........................................................................... 26
12.0 Warranty ........................................................................................................................... 27