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Gilson Company, Inc.
5.0 TROUBLESHOOTING
Low
High
X
X
Testing procedure errors
X
X
Incorrect sample weights
X
X
Errors in corrected values
X
Insufficient agitation
X
Insufficient quantity of reagent
X
Ineffective reagent
Premature contact between reagent
X
and specimen
X
Insufficient sample preparation
X
Inadequate pressure seal
X
X
Defective gauge
X
Low temperature
X
High temperature
X
Moisture inside vessel prior to testing
X
X
Gauge reading error
X
Residue from previous tests
For help with operation or technical issues, E-mail: techsupport@gilsonco.com or Call: 800.444.1508!
6.0 ACCESSORIES
GILSON AQUA-CHECK ACCESSORIES
Description
Calcium Carbide Reagent, 10lb can¹
Aqua-Check 0—20% Pressure Gauge
Electronic Balance, 200 x 0.1g
1.25in (32mm) Steel Balls, pkg. 2
Long-Handle Reagent Scoop
Large, Coarse-Bristle Clean-Out Brush
Small, Fine-Bristle Brush
Sample Cup
Heavy-Duty Waterproof Plastic Case
¹ Due to shipping restrictions, additional reagent is sold in 10lb (4.5kg) cans. Material
from these larger cans can be used to replenish smaller containers for field use.
GILSON AQUA-CHECK TROUBLESHOOTING
Possible
Review instructions and procedures.
Check balance operation and re-zero.
Change in material type. Repeat correlation procedure with new material.
Some cohesive materials may require 3 minutes or more. Use steel pulverizing balls.
Add an additional scoop of reagent.
Replace with fresh MAA-44 reagent.
Insure vessel is held horizontal when mating with cap.
Break cohesive material into finer sizes and use pulverizing balls.
Check and clean chamber cap gasket. Inspect vessel, cap and stirrup for damage or
cracks. Replace gasket if necessary.
Gauge needle should rest at zero and move smoothly. Replace if defective.
Run two or three test cycles to warm up vessel.
Allow vessel to cool off.
Insure vessel and cap are completely dry before testing.
Hold vessel horizontally at eye level when reading gauge.
Use included coarse-bristle brush to clean vessel thoroughly between tests.
Model
MAA-44
MAA-45
AD-25
MAA-47
MAA-48
MAA-51
MAA-50
MAA-52
MAA-46
Page 9
Gilson Aqua-Check Moisture Tester: MA-26X
MAA-47
MAA-48
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