Instruction Manual TN-100/ T-100
1
1. Overview
Thank you for selecting the waterproof portable TN-100/ T-100 turbidimeter. The
TN-100/ T-100 allows you to measure turbidity of an aqueous sample in the field.
This instrument operates on the nephelometric principle of turbidity measurement
and is designed to meet the criteria specified in ISO 7027 and DIN 27027 standards
(see Measurement Principle on page 19).
1.1 Unpacking TN-100/ T-100 Meter and Accessories
The table below indicates the items that you should find in your turbidimeter
shipment.
Item Quantity
1. Portable TN-100/ T-100 Turbidimeter with 4 “AAA” batteries 1
2. Instruction Manual 1
3. Instrument Carrying Case 1
4. Light Shield Cap 1
5. Calibration Set (0.02, 20.0,100, 800 NTU Standards) 1
6. Empty Vials 3
7. Plastic bottle (empty – for collecting sample) 1
8. Silicone Oil 1
9. Lint free cloth 1
Remove TN-100/ T-100 turbidimeter from the packing carton. Carefully inspect all
items to ensure that no visible damage has occurred during shipment. If the items
you received do not match your order, please contact your nearest distributor
immediately.
WARNING: Extra care should be taken when unpacking, opening, and
handling the calibration standards and sample vials. Surface scratches or
finger smudges on the vial surface may cause measurement errors. Handle
these items by their caps only.
Batteries provided with the meter package are to be installed prior to use. See
Section 1.4 - Battery Installation on page 4.
Figure 1 depicts the meter. The three main components of the instrument are the
sample well, the display, and the keypad. The following sections describe the
functionality of the display and the keypad. The proper use of the instrument and
the sample well are discussed in later sections.
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