Hf-scientific 19998 Triple Validation Turbidimeter - 0-100 NTU Manuel d'utilisateur

OWNERS MANUAL HF – Triple Validation Turbidimeter 0-10, 0-100 NTU HF scientific, inc. 3170 Metro Parkw

TVT 1 (5/02) 4 Rev. 2.6 (.pdf) Figure 2 illustrates the touch pad. The touch pad has four buttons: MODE, ↵↵↵↵, t, and u. The MODE button i

TVT 1 (5/02) 5 Rev. 2.6 (.pdf) 3.0 Installation and Commissioning 3.1 Mounting & Site Selection The instrument is designed for wall mounti

TVT 1 (5/02) 6 Rev. 2.6 (.pdf) Figure 4: Use of the optional mounting bars to ensure isolation of the 4-20 mA output 3.2 Plumbing The recommend

TVT 1 (5/02) 7 Rev. 2.6 (.pdf) Pin 1 = 15 –18 VDC (Not Polarity Sensitive) Pin 2 = 15 –18 VDC (Not Polarity Sensitive) Pin 3 =

TVT 1 (5/02) 8 Rev. 2.6 (.pdf) 4-20 mA: The 4-20 mA output is driven by a 12 VDC power source and can drive recorder loads up to 450 ohms. This

TVT 1 (5/02) 9 Rev. 2.6 (.pdf) 4.1 Routine Measurement The following steps describe how to measure the turbidity of a sample using this instrume

TVT 1 (5/02) 10 Rev. 2.6 (.pdf) instrument and the calibration procedures. Under normal conditions, re-calibration is recommended at least once

TVT 1 (5/02) 11 Rev. 2.6 (.pdf) 2. Shut off flow to the instrument. 3. Disconnect the quick connects at the top and bottom to separate the i

TVT 1 (5/02) 12 Rev. 2.6 (.pdf) row of the display and then press the ↵↵↵↵ button to initiate calibration. Both the CAL and STORE blocks will

TVT 1 (5/02) 13 Rev. 2.6 (.pdf) calibrating simply press the ↵↵↵↵ button at this time. However, if you are satisfied and wish to complete calib

TVT 1 (5/02) 14 Rev. 2.6 (.pdf) record the turbidity reported by the instrument. 2. Take the grab sample and measure its turbidity using your l

TVT 1 (5/02) 15 Rev. 2.6 (.pdf) Select the turbidity level that the instrument reported for your grab sample using the t and u buttons. Once y

TVT 1 (5/02) 16 Rev. 2.6 (.pdf) Note: To skip the selection of the SETUP mode, simply press the MODE button. 8.1 Displayed Resolution The ins

TVT 1 (5/02) 17 Rev. 2.6 (.pdf) Select the correct month by pressing the t or u button to change the displayed month. When you have selected t

TVT 1 (5/02) 18 Rev. 2.6 (.pdf) Select the correct minutes level by pressing the t or u button to change the displayed minutes. When you have

TVT 1 (5/02) 19 Rev. 2.6 (.pdf) If the delay off time is set to 5 seconds and the process has exited out of the alarm condition, the alarm will

TVT 1 (5/02) 20 Rev. 2.6 (.pdf) Alarm 1 Set Point: Finally, you will be prompted to select the set point for this alarm; this is indicated by “

TVT 1 (5/02) 21 Rev. 2.6 (.pdf) Next, you will be prompted with the turbidity level assigned to the 20 mA output level (OHV on the lower row of

TVT 1 (5/02) 22 Rev. 2.6 (.pdf) Select the correct baud rate (1200, 2400, 4800, or 9600) for operation of the I/O port by pressing either the t

TVT 1 (5/02) 23 Rev. 2.6 (.pdf) Pressing the ↵ button will return you back to the normal automatic mode of the instrument. You have now complet

TVT 1 (5/02) i Rev. 2.6 (.pdf) DECLARATION OF CONFORMITY Application of Council Directive Standard to which Conformity is Declared: Product Sa

TVT 1 (5/02) 24 Rev. 2.6 (.pdf) WARNING ASSOCIATED MEANING TYPICAL CAUSE to the instrument. If the flow switch is not installed, turn off the

TVT 1 (5/02) 25 Rev. 2.6 (.pdf) 10.0 Routine Maintenance 10.1 Cleaning the Optical Chamber (Sample Tube) Proper measurement of turbidity requir

TVT 1 (5/02) 26 Rev. 2.6 (.pdf) 11.0 Accessories and Replacement Parts List The items shown below are recommended accessories and replacement

TVT 1 (5/02) 27 Rev. 2.6 (.pdf) 12.0 Warranty HF scientific, inc., as vendor, warrants to the original purchaser of this instrument that it wil

TVT 1 (5/02) ii Rev. 2.6 (.pdf) Table of Contents Specifications...

TVT 1 (5/02) 1 Rev. 2.6 (.pdf) Specifications Measurement Range 0.01 –100.0 NTU Accuracy ±2% of reading plus 0.01 NTU (0-10 NTU) ±5% of readi

TVT 1 (5/02) 2 Rev. 2.6 (.pdf) 1.0 Overview The TVT process turbidimeter allows you to measure the turbidity of your process water on-line. The

TVT 1 (5/02) 3 Rev. 2.6 (.pdf) 1.2 The Display Figure 1 illustrates all the items that can appear on the display. The upper row of the display