OPERATOR’S MANUAL
GAC® 2100 Grain Analysis Computer (Blue, Gray, Agri Models)
11001-1688-201609
4 INTRODUCTION
FEATURES
GAC 2100 features include:
• Memory storage for grain calibrations
– 64 grain calibrations (GAC 2100 Blue)
– 8 grain calibrations (GAC 2100 AGRI)
– 16 grain calibrations (GAC 2100 Gray)
• Keyboard entry or computer accessibility for updating grain
calibrations as revisions become necessary.
• Alpha/numeric sample identification numbers with automatic
sequential numbering for record keeping purposes.
• Automatic ranging by switching to predetermined calibrations when
moisture is above or below normal limits.
• Two RS-232 output ports (DCE and DTE) available for printer and
external computer/modem control.
• Capability to interface with a personal computer either directly or
through a modem (Blue model).
• Self-check mode to ensure proper continual operation.
• Error messages for out-of-limits moisture, grain weight, or grain
temperatures.
• Help screens to address operator issues.
• Quick keys (Blue model)
• Test weight slope and bias adjustment all grains
• Moisture slope and bias adjustment all grains
SPECIFICATIONS
• Supply Voltage and Frequency Limits:
– 85 Vac to 264 Vac 48-440 Hz at 1 Amp Max.
• Operating Temperature Range:
– 2° C (35.6° F) to 45° C (113° F) (Blue model)
–5
o
C (41
o
F) to 45
o
C (113
o
F) (AGRI and Gray models)
– If the instrument exceeds temperature ranges, an error displays.
• Grain Temperature Range:
– 0° C (32° F) to 45° C (113° F) (Blue model)
–0
o
C (32
o
F) to 50
o
C (122
o
F) (AGRI and Gray models)
If the grain temperature range is exceeded, an error message
displays.
• Unit Temperature and Grain Temperature Difference Limit: The
maximum allowable temperature differential between empty cell and
grain under test is 20° C (36° F). If exceeded, an error message
displays.
• Classes/Types of Grain or Seed: Refer to the latest Calibration
Bulletin.
• Weight: 11.8 kg (26 lbs) – Shipping Weight: 15.0 kg (33 lbs)
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