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OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
/I
Safety Notices ..................................................................................................... 1
Introduction ......................................................................................................... 3
Accessories ....................................................................................................................... 3
Unit Overview .................................................................................................................... 3
Features ............................................................................................................................ 4
Specifications .................................................................................................................... 4
Declaration of Conformity ................................................................................................. 4
External Communication Connections .............................................................................. 5
Printer ............................................................................................................................... 6
Unpacking the Instrument .................................................................................. 7
Unlock Shipping Brackets ................................................................................................. 7
Instrument Placement ..................................................................................................... 10
Leveling Instrument ........................................................................................................................ 10
Installation ......................................................................................................... 11
Connecting AC Power ..................................................................................................... 11
Grain Drawer ................................................................................................................... 12
Optional Bottomless Grain Drawer ................................................................................................. 12
Navigation .......................................................................................................... 13
Using External Devices ................................................................................................... 13
Touch Screen Button Functions ...................................................................................... 13
Home .............................................................................................................................................. 13
Power Off ....................................................................................................................................... 14
Initiate ............................................................................................................................................. 14
Print ................................................................................................................................................ 14
Back ............................................................................................................................................... 14
Abort ............................................................................................................................................... 14
Enter ............................................................................................................................................... 14
USB ................................................................................................................................................ 14
User ................................................................................................................................................ 14
Instrument Information ................................................................................................................... 15
LCD Display Touch Screen Calibration .......................................................................................... 15
Keypad ........................................................................................................................................... 15
Clean .............................................................................................................................................. 15
Password Restrictions ..................................................................................... 17
Setup .................................................................................................................. 19
Product ............................................................................................................................ 19
Edit Existing Product ...................................................................................................................... 19
Edit Product .................................................................................................................................... 21
Create Product ............................................................................................................................... 22
Delete Product ............................................................................................................................... 23
Load New Product .......................................................................................................... 24
Administrative Settings ................................................................................................... 26
To Change a Known User Name/Password .................................................................................. 26
System Setup .................................................................................................................. 27
Printer Setup .................................................................................................................................. 27
Adding a Header and Footer to Ticket ........................................................................................... 29
Streaming Data Serially ................................................................................................................. 29
OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
II
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Setup continued ................................................................................................. 30
Printer/Scale Setup ......................................................................................................... 30
Language and Keyboard Settings .................................................................................. 31
Sample Setup ................................................................................................................. 33
Result Setup ................................................................................................................... 35
Export Data Format ........................................................................................................ 37
Time ................................................................................................................................ 38
Units ............................................................................................................................... 39
Owner Data .................................................................................................................... 40
Service Data ................................................................................................................... 41
LCD Display Touch Screen Calibration .......................................................................................... 42
Data Storage Capacity ................................................................................................... 43
Check Scale ................................................................................................................... 44
Network Setup ................................................................................................................ 47
Update Instrument .......................................................................................................... 47
Startup ............................................................................................................... 49
Power Down ................................................................................................................... 50
Analyzing Grain ................................................................................................ 51
User Login (optional) ...................................................................................................... 51
Selecting Product ........................................................................................................... 53
Performing a Grain Analysis ........................................................................................... 53
Hopper Level Indicator ................................................................................................................... 54
General Cleaning Tip ...................................................................................................................... 57
Database Memory Messages ......................................................................................... 58
Results .............................................................................................................. 61
Refine Query Options ..................................................................................................... 62
Maximum Records to Return .......................................................................................................... 62
Maximum Records to Print ............................................................................................................. 62
All Products .................................................................................................................................... 63
Product ........................................................................................................................................... 63
User ................................................................................................................................................ 63
Sample ID ....................................................................................................................................... 63
Last ................................................................................................................................................. 63
Unable to Show Query Results ...................................................................................... 63
Audit Trail ....................................................................................................................... 64
View Products ................................................................................................................. 66
Grain Calibrations ............................................................................................ 67
Diagnostics ....................................................................................................... 69
Maintenance ...................................................................................................... 71
External Cleaning ........................................................................................................... 71
Internal Cleaning ............................................................................................................ 71
Quick Clean Method ....................................................................................................................... 71
Extensive Cleaning Method ............................................................................................................ 74
Cleaning the Temperature Sensor Probe ....................................................................... 77
LCD Display Care ............................................................................................................ 78
OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
/III
Troubleshooting ................................................................................................ 79
Error Messages ............................................................................................................... 80
Warranty ..............................................................................................................83
OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
IV
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OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
SAFETY NOTICES / 1
SAFETY NOTICES
Safety notices are one of the primary ways to call attention to potential
hazards. An absence of specific alerts does not mean that there are no
safety risks involved.
This Safety Alert Symbol identifies important safety
messages in this manual. When you see this symbol,
carefully read the message that follows. Be alert to
the possibility of personal injury or death.
Use of the word WARNING indicates a potentially hazardous
situation which, if not avoided, could result in death or serious
injury.
Use of the word CAUTION with the Safety Alert Symbol indicates a
potentially hazardous situation which, if not avoided, may result in
minor or moderate injury.
Use of the word CAUTION without the safety alert symbol
indicates a potentially hazardous situation which, if not avoided,
may result in equipment damage.
OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
2
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SAFETY NOTICES
OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
INTRODUCTION / 3
INTRODUCTION
The DICKEY-john Grain Analysis Computer GAC® 2500 (models UGMA
and INTL) quickly tests grain and automatically calculates moisture content,
temperature, and test weight (bulk density) of the sample. The unit prompts
for sample loading, tests the sample, and displays the results.
NOTE: This manual addresses setup
and operation of the
DICKEY-john Grain Analysis
Computer GAC® 2500
instrument models UGMA and
INTL.
ACCESSORIES
The following list of components are included with the unit and can be
ordered as replacement parts:
• 110V power cord p/n 203150002 (model GAC 2500-UGMA)
• 220V power cord p/n 203150005 (model GAC 2500-INTL)
• Operator’s manual p/n 11001-1505E
• Cleaning brush p/n 206410003
• Grain drawer p/n 468071541
• Grain drawer bottomless (optional) p/n 468071542
UNIT OVERVIEW
1. Power (on/off) button
2. Hopper
3. Hopper full sensors
4. Touch screen display
5. USB connections (2) front (2) back
6. Sample drawer
7. Bubble level
8. Adjustment feet (4)
Figure 1
GAC2500 Overview (Front of Unit)
6
1
2
4
5
3
8
7
OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
4
/
INTRODUCTION
FEATURES
• Color touch screen display guides users through testing and setup
• Easy-to-use user interface
• Fast, accurate grain analysis
• One core calibration for all grains
• Alpha/numeric sample identification with the ability to add an optional
extended keyboard or bar code reader via USB
• Error messages display when out-of-limits moisture, grain weight, or
grain temperature occur
• Customizable work environment
• Optional password protection
• Storage of 3,000 grain tests
• Large storage to handle complete grain calibration library
• Internal memory capacity to handle future upgrades
• Printing capabilities
• A variety of external communication options
SPECIFICATIONS
• Operating temperature: 36 to 113 degrees F (2 to 45 degrees C)
• Power: 110/220V, 50/60 Hz, 30/35 VA
• Humidity: 20 to 90% noncondensing
• Grain temperature: -4 degrees F to +113 degrees F (-20 degrees to
+45 degrees C) depending on grain calibrations
• Storage/transit temperature: -4 to +140 degrees F
(-20 to +60 degrees C)
• Moisture range: 5 to 45% (grain dependent)
• Approximate Weight: 25 lbs.
• Approximate dimensions: 17”H x 19”W x 14”D
DECLARATION OF CONFORMITY
The GAC® 2500 is in conformity with the provisions of the following
directives and regulations:
• EN2006/95/EC Low Voltage Directive
• EN2004/108/EC EMC Directive
• EN61010-1 Safety requirements for electrical equipment for
measurement, control, and laboratory use operating at a maximum
altitude of 6562 feet (2000 meters)
• CAN/CSA - C22.2 NO. 61010-1 and ISA - 82.02.01 (IEC 61010-1
MOD) and UL61010-1
• NTEP GRAIN ANALYZE (NCWM publication 14 and NIST Handbook
44) (model GAC 2500-UGMA)
OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
INTRODUCTION / 5
EMC
EMC conformity to EN 61326-1:2006 (Electrical Equipment for
Measurement, Control, and Laboratory use) as follows:
Immunity
• Radiated RF field EN 61000-4-3 (2002)
• Conducted RF voltage EN 61000-4-6 (1996) + A1 (2001)
• Fast transient/burst EN 61000-4-4 (2004)
• Electrostatic discharge (ESD) EN 61000-4-2 (1995) + A1 (1998) + A2
(2001)
• Surge EN 61000-4-5 (1995) + A1 (2001)
• Voltage dips and interruptions EN 61000-4-11 (2004)
Emission
• Radiated emission CISPR II:2003 + A1: 2004
• Conducted emission CISPR II:2003 + A1: 2004
EXTERNAL COMMUNICATION CONNECTIONS
• 4 USB connections (2 in front, 2 in back) to connect a keyboard,
mouse, printer or flash drive. Up to 3 devices can be active on USB.
• 1 USB connection to connect the GAC® 2500 to a PC for downloading
of software to the device, installing calibrations, or remotely accessing
data from the instrument.
• 1 ethernet connection to connect the GAC® 2500 to a PC or network
for downloading of software to the device, installing calibrations, or
remotely accessing data from the instrument.
• 1 RS232 serial port printer connection
Figure 2
External Communication Connections (Back of Unit)
Appropriate space must be left around the input power connector
to allow easy disconnection at the unit.
Power Cord
Connection
(2) USB
(1) LAN
(1) RS232
Serial Port
Printer
Connection
(1) USB (B)
OPERATOR’S MANUAL
GAC® 2500 Models (UGMA & INTL)
11001-1505E-201305
6
/
INTRODUCTION
PRINTER
An optional printer that is RS232 compatible or a USB printer that supports
Printer Control Language (PCL) can connect to the GAC®2500 to print test
data results to a ticket. The ticket can be setup to include the facility name
and address, product, date and time, sample ID, customer ID, grain
calibration date, percent moisture, grain temperature, test weight, and
errors. The data can be automatically printed at the end of each
measurement cycle or manually initiated by pressing the Printer button.
Figure 3
Printer
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