OWNERS MANUAL HF – Triple Validation Turbidimeter 0-10, 0-100 NTU HF scientific, inc. 3170 Metro Par
TVT2 (5/02) Rev. 1.7 (.pdf) 5 3.0 Installation and Commissioning 3.1 Mounting & Site Selection The instrument is designed for wall mounting. If
TVT2 (5/02) Rev. 1.7 (.pdf) 6 3.2 Plumbing The recommended plumbing for the instrument is shown in Figure 4. The instrument is designed to limit the
TVT2 (5/02) Rev. 1.7 (.pdf) 7 Note: Only qualified electricians should be allowed to perform the installation of the instrument as it involves a lin
TVT2 (5/02) Rev. 1.7 (.pdf) 8 Power: The instrument is equipped with a 90-250 VAC, 50-60 Hz switching power supply; please verify that the line volta
TVT2 (5/02) Rev. 1.7 (.pdf) 9 In certain instances, during normal operation, the instrument will display a row of dashes across the upper row of the
TVT2 (5/02) Rev. 1.7 (.pdf) 10 The security code has three numbers that are selectable one at a time. Notice that the first number in the code is f
TVT2 (5/02) Rev. 1.7 (.pdf) 11 5.1 Calibration Standards We recommend that you use the following materials during calibration to achieve the accuracy
TVT2 (5/02) Rev. 1.7 (.pdf) 12 8. Pour the 10.0 NTU calibration standard into the sample well (ensure that the well is completely filled). Place th
TVT2 (5/02) Rev. 1.7 (.pdf) 13 When the calibration procedure for the 10.0 NTU level is complete the CAL and STORE blocks will stop flashing. You w
TVT2 (5/02) Rev. 1.7 (.pdf) 14 Pressing either the MODE button or the ↵↵↵↵ button will complete calibration. If you press the MODE button two times
TVT2 (5/02) Rev. 1.7 (.pdf) 15 5. At this point, the lower row of the display will indicate the operational status of the offset function (on or of
TVT2 (5/02) Rev. 1.7 (.pdf) 16 7.0 Instrument Configuration (Range) In order to reduce maintenance during calibration, all TVT’s are shipped from t
TVT2 (5/02) Rev. 1.7 (.pdf) 17 Change the resolution by pressing the t or u button. When you have selected the desired digit resolution press the ↵
TVT2 (5/02) Rev. 1.7 (.pdf) 18 Select the correct day by pressing the t or u buttons to change the displayed day. When you have selected the proper
TVT2 (5/02) Rev. 1.7 (.pdf) 19 8.5 Programming the Alarms The instrument is equipped with two relays that are designed to operate as two independent
TVT2 (5/02) Rev. 1.7 (.pdf) 20 If you selected to turn the alarm OFF, you will be immediately prompted to set up alarm 2 (go to section 8.5.2). If,
TVT2 (5/02) Rev. 1.7 (.pdf) 21 functionalities you will be prompted to set the delay times and the set point as with Alarm #1. Once you complete the
TVT2 (5/02) Rev. 1.7 (.pdf) 22 Select the turbidity level you wish to assign to the OHV using the t and u buttons. Once you have set the desired le
TVT2 (5/02) Rev. 1.7 (.pdf) 23 Select the correct baud rate (1200, 2400, 4800, or 9600) for operation of the I/O port by pressing either the t or u
TVT2 (5/02) Rev. 1.7 (.pdf) 24 The 5 BYTE message sent by the master computer is detailed as follows: BYTE #1 is an attention character (3A in hex
TVT2 (5/02) i Rev.1.7 (.pdf) DECLARATION OF CONFORMITY Application of Council Directive Standard to which Conformity is Declared: Product Safe
TVT2 (5/02) Rev. 1.7 (.pdf) 25 display at this time and the lower row of the display will indicate the operational status of the security access opti
TVT2 (5/02) Rev. 1.7 (.pdf) 26 9.0 Troubleshooting/System Alarm Relay 9.1 System Warning Message(s) The instrument routinely performs self-diagnost
TVT2 (5/02) Rev. 1.7 (.pdf) 27 When this message is indicated, contact the HF scientific, inc. Technical Services department to determine a resolutio
TVT2 (5/02) Rev. 1.7 (.pdf) 28 Figure 6: Removal of the Desiccant Cartridge
TVT2 (5/02) Rev. 1.7 (.pdf) 29 11.0 Accessories and Replacement Parts List The items shown below are recommended accessories and replacement parts.
TVT2 (5/02) Rev. 1.7 (.pdf) 30 12.0 Warranty HF scientific, inc., as vendor, warrants to the original purchaser of this instrument that it will be f
TVT2 (5/02) ii Rev. 1.7 (.pdf) Table of Contents Specifications...
TVT2 (5/02) Rev. 1.7 (.pdf) 1 Specifications Measurement Range 0.01 –100.0 NTU Accuracy ±2% of reading plus 0.01 NTU (0-10 NTU) ±5% of reading plu
TVT2 (5/02) Rev. 1.7 (.pdf) 2 1.0 Overview The TVT process turbidimeter allows you to measure the turbidity of your process water on-line. The White
TVT2 (5/02) Rev. 1.7 (.pdf) 3 Figure 1 – Display used in the instrument. All items used on the display are shown in this figure 1.3 The
TVT2 (5/02) Rev. 1.7 (.pdf) 4 2.0 Safety This manual contains basic instructions that you must follow during the commissioning, operation, care and m
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