HF scientific MicroTOL Online Turbidimeter old series- 0-1000 NTU - Manual (Page 8)

MICRO TOL (12/04)
Rev. 2.7 2
1.0 Overview
The MICRO TOL process turbidimeter allows you to measure the turbidity of your
process water on-line. The White Light MICRO TOL has been designed to meet the
design criteria specified by the US EPA on turbidity measurement. The infrared MICRO
TOL was designed to meet the design criteria specified in ISO 7027 and DIN 27027 for
the measurement of the turbidity of a sample. Both models have long life lamps.
1.1 Unpacking and Inspection of the Instrument and Accessories
The table below indicates the items you should find in your turbidimeter shipment.
Item Part # Quantity
MICRO TOL Turbidimeter 20023 (White Light Version), or
20024 (Infrared Version) 1
Instruction Manual 24031 1
Desiccant Pouch 21555R 1
Cuvette (Single Pack) 50033 1
Tubing Kit * 51025A 1
* Note - Tubing Kit includes:
1-shutoff
clamp
1-backpressure valve
2-connecting tubings with fittings for flow through assembly
1-drain vent screw (used in pressurized systems)
Remove the instrument 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 immediately contact your local distributor or the HF scientific,
inc. Customer Service department.
1.2 The Display
Figure 1 illustrates all the items that can appear on the display. The upper row of the
display (1) is used for reporting the turbidity levels and to provide user guidance in the
customer setting routine. The lower row of the display (2) is used to communicate error
messages and provide user guidance. The display has two icons (3) that are used to
indicate the use of access code and offset mode. In addition, mode arrows (4) are used to
indicate the current instrument operating mode; AUTO (normal operation), CAL
(calibration) and CONFIG (configuration).