OHAUS EXPLORER - Chapter 4 Testing; Testing; Operational Test; Segment Display Test

4-1
CHAPTER 4 TESTING
4.1 TESTING
Before servicing the Explorer balance, an operational test and various performance tests should be made to ascertain whether
or not the balance meets specifications. Turn the balance on and allow it warm up for at least one hour before performing
these tests. Make sure the test area is free from drafts and the surface that the balance rests on is level and vibration free.
The masses used for final calibration must meet or exceed ASTM Class 1 Tolerance.
4.1.1 Operational Test
1.Connect a functioning Power Adapter to the balance power receptacle assembly located at the rear of the
balance.
2.Plug the Power Cord into a suitable power source.
4.1.1.1 Segment Display Test
1.Turn the balance on, With LFT OFF, all segments are enabled and displayed breifly, then the model number
of the balance followed by a software revision number. This is a segment display test. Figure 4-1 is a full display
test.
Stable
Mode
Units
Setup
Custom
Use keys to change,
B/G
NET
P T
Center
of Zero
press - O/T -
% PG N
lb ozcti
mg
press Enter
kgdwt
Change
Figure 4-1. Segment Display
When the balance is first turned ON and LFT has been
previously set ON, the following display will appear if LFT is
set in the menu and the Lock Switch is set ON.
When the balance is first turned ON and LFT has been
previously set ON, the following display will appear if LFT is
set in the menu and Calibration menu is locked, and the
Lock Switch is set ON.
Figure 4-2. LFT Displays
Figure 4-3. Countdown Display
The display check countdown appears only in the first 60
seconds after plugging it in and only when the balance has
been previously set with Type Approved/Legal for Trade set
ON.
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