Meter Description - Extech Instruments TB400 User Manual

Introduction
Congratulations on your purchase of the TB400 Turbidity tester. The TB400 measures turbidity
up to 1000 NTU. The advantages of the TB400 to the user include: Easy to use and maintain, high
accuracy, self‐calibration, and fast response. This meter is shipped fully tested and calibrated
and, with proper use, will provide years of reliable service. Please visit our website
(www.extech.com) to check for the latest version of this User Guide, Product Updates, and
Customer Support.
Applications
Typical applications include the measurement of municipal water, food and beverage water, or
other aqueous solutions where fluid clarity is important.
Meter Description
1. LCD Display
2. HOLD button
3. REC‐MAX‐MIN button
4. POWER button
5. ZERO button
6. TEST‐CAL button
7. Test bottle chamber latch
8. Test bottle chamber
9. Test bottle
Battery compartment on rear of meter
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