LI-COR LI-3100C User manual
LI-3100C
Area Meter
Instruction Manual
®
LI-3100C Area Meter
Instruction Manual
Publication No. 984-07704
June, 2004
LI-COR
4421 Superior St.
P.O. Box 4425
Lincoln, NE 68504 USA
Telephone: (402) 467-3576
FAX: 402-467-2819
Toll-free 1-800-447-3576 (U.S. & Canada)
www.licor.com
© Copyright 2004. LI-COR, inc.
ii
LI-COR, inc.
Environmental
4421 Superior Street
P.O. Box 4425
Lincoln, Nebraska 68504 USA
Phone: 402-467-3576
FAX: 402-467-2819
Toll-free: 1-800-447-3576 (U.S. & Canada)
E-mail: [email protected]
Declaration of Conformity
Manufacturer’s Name: LI-COR Inc.
Manufacturer’s Address: 4421 Superior Street
Lincoln, Nebraska USA 68504
declares that the product
Product Name: Area Meter
Model Number(s): LI-3100C
Product Options: None
conforms to the following Product Specifications:
Safety: EN61010-1 : 1993
EN61010-1 : Amendment 1 : 1995
EMC: FCC CFR Part 15.109 Radiated Emissions, Class ?
FCC CFR Part 15.107 Conducted Emissions, Class ?
IEC 61326 : 1997/A2:2001 Radiated Emissions, Class ?
IEC 61326 : 1997/A2:2001 Conducted Emissions, Class ?
IEC 61000-4-2 : 1995/A2:2000: ESD, 8KV/15KV Contact/Air
IEC 61000-4-3 : 1995/A2:2000: Radiated RF Immunity, 10V/m
IEC 61000-4-4 : 1995/A2:2000: EFT/Burst
Supplementary Information:
The product herewith complies with the requirements of the EMC Directive 89/336/EEC.
Dave Dilley
Director of Engineering
Document #53-07670
December 1, 2003
®
iii
NOTICE
The information contained in this document is subject to change without
notice.
LI-COR makes no warranty of any kind with regard to this material, including,
but not limited to the implied warranties of merchantability and fitness for a
particular purpose. LI-COR shall not be liable for errors contained herein or
for incidental or consequential damages in connection with the furnishing,
performance, or use of this material.
This document contains proprietary information which is protected by
copyright. All rights are reserved. No part of this document may be
photocopied, reproduced, or translated to another language without prior
written consent of LI-COR, inc.
Copyright 2004, LI-COR Inc.
Publication Number 984-07704
Printing History: 1st Printing June, 2004
Printing History
New editions of this manual will incorporate all material since the previous
editions. Update packages may be used between editions which contain
replacement and additional pages to be merged into the manual by the user.
The manual printing date indicates its current edition. The printing date
changes when a new edition is printed. (Minor corrections and updates which
are incorporated at reprint do not cause the date to change).
LI-COR, Inc. • 4421 Superior Street • Lincoln, Nebraska 68504
Phone: 402-467-3576 • FAX: 402-467-2819
Toll-free: 1-800-447-3576 (U.S. & Canada)
E-mail: [email protected]
www.licor.com
v
Table of Contents
Section 1. General Information
1.1 Instrument Function ............................................................ 1-1
1.2 Operational Features ............................................................ 1-2
Section 2. Pre-operation
2.1 Rear Housing Removal ........................................................ 2-1
2.2 Transparent Belt Tension Adjustment ................................... 2-1
2.3 Fluorescent Tube Installation ............................................... 2-2
2.4 Camera Installation .............................................................. 2-4
2.5 Voltage Selector Operation and Characteristics .................... 2-5
Section 3. Operation
3.1 Instrument Activation .......................................................... 3-1
3.2 Display Response ................................................................. 3-1
3.3 Belt Tension and Tracking Adjustment ................................. 3-2
3.4 Calibration ........................................................................... 3-2
3.5 Pressing Roller Adjustment ................................................... 3-4
Section 4. Changing Measurement Resolution
4.1 Choosing Measurement Resolution ...................................... 4-1
4.2 Changing from 1.0 mm2to 0.1 mm2Resolution.................. 4-1
4.3 Changing from 0.1 mm2to 1.0 mm2Resolution.................. 4-2
Section 5. Maintenance
5.1 Changing the Fluorescent Tube ............................................ 5-1
5.2 Changing the Transparent Belts ............................................ 5-1
5.3 Cleaning the Transparent Belts ............................................. 5-4
5.4 Cleaning the Mirror or Camera Lens..................................... 5-5
5.5 Cleaning the Interior of the Camera...................................... 5-5
5.6 Cleaning the Motor and Belt Drive System ........................... 5-6
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Section 6. Removing the Upper Belt Assembly
6.1 Purpose ............................................................................... 6-1
6.2 Removal Procedure ............................................................. 6-1
Section 7. Using the Windows Interface Software
7.1 Installing the PC Interface Software ..................................... 7-1
7.2 Connecting the LI-3100C to a Computer.............................. 7-2
7.3 Software Basics.................................................................... 7-11
7.4 Creating a Log File............................................................... 7-12
7.5 Missed Data Packets............................................................ 7-15
7.6 Importing a Data File to a Spreadsheet ................................ 7-15
7.7 Using the LI-3000A Readout................................................ 7-17
Section 8. Troubleshooting
8.1 Continuous Spurious Data Accumulation ............................ 8-1
8.2 Belts Not Tracking Properly ................................................. 8-2
8.3 Fluorescent Tube Fails to Illuminate .................................... 8-2
8.4 Excessive Data Variability ................................................... 8-2
8.5 Miscellaneous Malfunction.................................................. 8-3
8.6 Laboratory Conditions ......................................................... 8-4
Specifications
Warranty
1-1
1General
Information
1.1 Instrument Function
The LI-3100C Area Meter is designed for biological, industrial, and
other applications requiring rapid, precise area (length or width)
measurements. Samples are placed between the guides on the lower
transparent belt and allowed to pass through the instrument. As items
travel under the 15 watt fluorescent light source, the object is reflected
by a system of three mirrors to a solid state scanning camera within the
rear housing.
Object width is sensed by the scanning camera. Length information is
provided by the current frequency as related to the belt velocity.
Area integration is accomplished by components of the main printed
circuit board mounted on the instrument rear plate (Figure 1).
Data are presented on the light emitting diode (LED) display. Decimal
location on the display is changed to suit the 1.0 or 0.1 mm2
resolution requirement (Section 4). Alternatively, data can be
collected, displayed, and stored using a PC and the 3100-500
Windows Interface Software (Section 7).
General Information
1-2
1.2 Operational Features
The LI-3100C features interchangeable 1.0 mm2and 0.1 mm2
resolution capability that is furnished with a single 28 mm camera
lens. A 25 cm wide sample guide is provided for both 1.0 mm2and
0.1 mm2resolution configurations.
The upper belt assembly can be removed for operations hindered by
the upper belt. Sample thickness can then be increased to 2.5 cm
(Section 6.)
2-1
2Pre-operation
The following procedures must be performed before using the
LI-3100C for the first time:
●Tighten the transparent belts
●Install the 15 watt fluorescent tube
●Install the camera lens
●Set the voltage selector at the proper position and check to see
if the correct fuse is installed
Each of these procedures is discussed below.
2.1 Rear Housing Removal
The rear housing must be removed in order to adjust the belt tension
and to install the fluorescent tube. Using the 5/32" (4 mm) hexagonal
key provided, remove the four retaining screws (one at each end, one
at the center front edge on top, and one at the center bottom edge at
the rear). Lift the housing from the instrument.
2.2 Transparent Belt Tension Adjustment
Perform the following steps to tighten the transparent belts:
●Loosen the large knurled knobs located on each sliding pulley
bearing block. Rear sliding bearing blocks are visible in Figure 1.
Front sliding bearing blocks are visible in Figure 2.
●Coarse adjustment is performed by simultaneously sliding both
bearing blocks for one pulley. The knurled knobs can be tightened
sufficiently by rotating them with the thumb and index finger while
Preoperation Procedure
2-2
holding tension on the bearing block with the remaining fingers of
the same hand.
Fine adjustments are performed by twisting the block adjustment screw
to push the sliding bearing block. The knurled knobs located on the
pulley bearing blocks must be loosened to allow block movement.
AD
G
FE
B
C
Figure 1. Area Meter with rear housing removed. (A) main printed
circuit board, (B) rear sliding bearing blocks, (C) decimal selector
switch set for 1.0 mm2or 0.1 mm2operation (inset), (D) 28 mm lens,
(E) screws on the outer camera pressure rail, (F) slide this window to
the left to inspect the voltage selector, (G) upper drive pulley gear.
2.3 Fluorescent Tube Installation
●Remove the rear tube connector housing by loosening the two
recessed mounting screws (Figure 3).
●Hold the new tube vertically and gently tap it to cause any internal
debris to collect at one end. Internal debris can cause spurious
counting.
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