Doran 4100 Посібник з експлуатації та обслуговування - Сторінка 5
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Друкувати сторінкуDORAN MODEL 4100 OPERATING AND SERVICE MANUAL
A tolerance setting of + 5 divisions is made by setting SW3-4 open, SW3-5 open,
SW3-6 closed, SW3-7 open and SW3-8 closed, as shown in the programming chart.
This setting will result in actual tolerance values as follows:
Weight below zero is indicated by a minus sign, except in lb & oz when the "NEG"
LED lights to indicate negative weight. Overload is indicated by the display blanking
(no numbers displayed). Positive overload is set for 105% of rated capacity. These
overload indications are in accordance with the latest NIST Handbook 44 requirements.
The entire Doran 4100 Series of Stainless Steel Over & Under Scales are approved for
use in USDA inspected food processing plants. An approval letter from USDA can be
provided upon request.
The Doran 4100 incorporates a unique zero tracking technique. It is only active
when the scale has been stable for 10 seconds or more. This is determined by timing
the "ACCEPT" LED-if it has been on for 10 seconds, indicating no scale use, zero
tracking is automatically activated. Zero tracking is released whenever the "OVER" or
"UNDER" LED comes on, indicating scale activity. The 4100 tracks to + 3 internal
counts of weight. There are 20,000 internal counts in all 4100 versions.
There is an internal 1.0 Amp, 3AG, fast blo fuse inside the scale. It is accessed by
removing the tower back panel.
After setting the weight display units and the tolerance as described above,
activate the Doran 4100 by plugging in the power cord to a suitable 115 VAC, 50/60 Hz
outlet. The 4100 can be set up for 220 VAC operation at no additional charge, if
specified at the time of order. When plugged in, the weight display will read "888888"
for about five seconds to test the displays. The display will then read "00000", and the
"ACCEPT" LED will come on and the selected weight display unit light will illuminate.
The 4100 is ready to use!
IV. MAINTENANCE
Your Doran 4100 is built to stand to stand up to years of service when certain
precautions are observed. These are as follows:
1. DON'T shock load or drop the scale-there are 5 built in overload stops, but these
cannot prevent damage caused by abuse or misuse.
2. DON'T pick up the scale by the platform or supporting spider-this can cause
permanent damage to the load cell.
MAN001R2
± 0.005 lb
± 0.10 oz
± 2.5 g
4
2.27 kg x 0.5 g