Hf-scientific MicroTOL Online Turbidimeter Manuel d'utilisateur

OWNER’S MANUAL MicroTOL Series Turbidimeter HF scientific 3170 Metro Parkway Ft. Myers, FL 33916

MICRO TOL (5/10) 4 Rev. 4.8 1.4 The Touch Pad Figure 2 illustrates the touch pad. The touch pad has four buttons: MODE/EXIT, ↵, t, and u. The MO

MICRO TOL (5/10) 5 Rev. 4.8 3.0 Installation and Commissioning Prior to use for the first time, the supplied desiccant pouch will need to be insta

MICRO TOL (5/10) 6 Rev. 4.8 3.2 Plumbing The recommended plumbing for the instrument is shown in Figure 4. The instrument is designed to require v

MICRO TOL (5/10) 7 Rev. 4.8 3.2.1 Drain Vent: The Micro TOL has been fitted with a drain vent in the “OUT” bulkhead fitting. This fitting allows

MICRO TOL (5/10) 8 Rev. 4.8 Figure 5: Electrical Connections for the Instrument 3.3.1 Power: The instrument is equipped with a 100-240

MICRO TOL (5/10) 9 Rev. 4.8 4.0 Operation This process turbidimeter allows for the measurement of the turbidity of process water on-line. The turb

MICRO TOL (5/10) 10 Rev. 4.8 The security code (333) must be entered to gain access to CAL or CONFIG menus. Notice that the first number in the c

MICRO TOL (5/10) 11 Rev. 4.8 5.0 Instrument Calibration The instrument was calibrated and tested prior to leaving the factory. Therefore, it is po

MICRO TOL (5/10) 12 Rev. 4.8 5.2 Calibration Procedures 1. Select the calibration function of the instrument by pressing the MODE/EXIT button once

MICRO TOL (5/10) 13 Rev. 4.8 12. Insert the requested 0.02 NTU standard. Index the standard to the lowest value on the upper display. 13.

MICRO TOL (5/10) 14 Rev. 4.8 6.0 Instrument Offset In certain instances, it may be desirable to use an offset factor to calibrate the instrument ra

MICRO TOL (5/10) 15 Rev. 4.8 7. If the option was turned On, the upper row will display the offset required. This will add or subtract the value

MICRO TOL (5/10) 16 Rev. 4.8 7.0 Instrument Configuration (CONFIG mode) The instrument has been designed to provide the ability to customize the

MICRO TOL (5/10) 17 Rev. 4.8 Note: The 4MA can be set higher than the 20 MA level to invert the output current if required. This may be required t

MICRO TOL (5/10) 18 Rev. 4.8 7.4 Configuring the RS–485 Port If the instrument is equipped with this option, and the I/O selection is changed to 4

MICRO TOL (5/10) 19 Rev. 4.8 These three items are described below: Alarm Function: The alarms can either be turned OFF or programmed to operate i

MICRO TOL (5/10) 20 Rev. 4.8 Alarm 1 Delay Times: Delay On: The following display will appear to allow to select the number of seconds currently

MICRO TOL (5/10) 21 Rev. 4.8 7.7 Enabling the Security Access The instrument is equipped with a security access. If this option is turned on, the

MICRO TOL (5/10) 22 Rev. 4.8 7.10 Displayed Resolution The instrument is equipped with the ability to display several levels of resolution. The in

MICRO TOL (5/10) 23 Rev. 4.8 The most common unit is NTU (Nephelometric Turbidity Units) however the instrument can display in FNU (Formazin Nephel

DECLARATION OF CONFORMITY Application of Council Directive Standards to Which Conformity is Declared: Product Safety - Tested and passed ETL (

MICRO TOL (5/10) 24 Rev. 4.8 7.15 Desiccant Alarm When the humidity detector in the Micro TOL indicates that the internal environ

MICRO TOL (5/10) 25 Rev. 4.8 7.16 4mA Adjustment If the 4-20 mA setting is turned ON (7.2 Setting the 4-20 mA Output), the following two menus will

MICRO TOL (5/10) 26 Rev. 4.8 8.0 Additional Features and Options 8.1 Backlit LCD The backlit LCD allows for easier readability of the LCD dis

MICRO TOL (5/10) 27 Rev. 4.8 FLOW THROUGHCUVETTEULTRASONICTRANSDUCERSENSOR(TOP VIEW)ULTRASONICSPRINGCONNECTIONS Figure 6: Operational part

MICRO TOL (5/10) 28 Rev. 4.8 • The same attention character “:” in ASCII or 3A Hex • The address of the Micro TOL • The Reading • The Unit (NTU

MICRO TOL (5/10) 29 Rev. 4.8 9.0 Troubleshooting & Maintenance 9.1 Micro TOL Fault Detection The Micro TOL performs continuous diagnostic mo

MICRO TOL (5/10) 30 Rev. 4.8 9.3 Diagnostic Chart Symptom Cause Cure Lower display shows MA 4-20 mA loop open Check wiring. See sections 3.3.4

MICRO TOL (5/10) 31 Rev. 4.8 10.0 Routine Maintenance 10.1 Cleaning the Flow Through Cuvette Measurement cuvettes used for both grab sample and the

MICRO TOL (5/10) 32 Rev. 4.8 11.0 Accessories and Replacement Parts List The items shown below are recommended accessories and replacement part

MICRO TOL (5/10) 33 Rev. 4.8 12.0 Warranty HF scientific inc., as vendor, warrants to the original purchaser of this instrument that it will be fre

MICRO TOL (5/10) Rev. 4.8 Table of Contents Section Page Specifications ...

MICRO TOL (5/10) Rev. 4.8 Table of Contents (continued) Section Page 7.6 Offs

MICRO TOL (5/10) 1 Rev. 4.8 Specifications Measurement Range 0 – 1000.0 NTU 0 – 100 NTU (Model 20055 & 20056) Accuracy ±2% of reading or ±0.0

MICRO TOL (5/10) 2 Rev. 4.8 1.0 Overview The MICRO TOL process turbidimeter allows for the measurement of the turbidity of process water on-line

MICRO TOL (5/10) 3 Rev. 4.8 1.2 Unpacking and Inspection of the Instrument and Accessories The table below indicates the items in the turbidimeter