KERN 440...N User Manual

440…N-SH-e-0840 9
8 To Replace Load Cell Assembly
1. Disassemble top housing of scale.
2. Disconnect PL2 from main PCB. Remove the four screws fixing the bottom plate of the
load cell assembly. Replace the load cell with a new one.
Connect PL2 and fix the four screws.
3. Put 110% full capacity loading onto weight stand of scale and adjust the overload
screws.
4. Assemble the top housing.
5. Perform internal calibration as described in section 3.
6. Check accuracy of scale at different weight.
440-21N 440-33N 440-35N 440-43N 440-45N
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
10.000 0.003 50.00 0.02 100.00 0.03 100.0 0.2 200.0 0.2
20.000 0.003 100.00 0.02 200.00 0.03 200.0 0.2 500.0 0.2
30.000 0.003 150.00 0.02 300.00 0.03 300.0 0.2 700.0 0.2
40.000 0.004 200.00 0.02 400.00 0.04 400.0 0.2 1000.0 0.2
440-47N 440-49N 440-51N 440-53N 440-55N
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
500.0 0.2 1000.0 0.3 1000 2 1000 2 1000.0 0.6
1000.0 0.2 2000.0 0.3 2000 2 2000 2 2000.0 0.6
1500.0 0.2 3000.0 0.3 3000 2 4000 2 4000.0 0.6
2000.0 0.2 4000.0 0.4 4000 2 6000 2 6000.0 0.6
440-35A 440-21A 440-49A
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
100.00 0.03 10.000 0.003 1000.0 0.3
200.00 0.03 20.000 0.003 2000.0 0.3
400.00 0.04 40.000 0.004 4000.0 0.4
600.00 0.04 60.000 0.004 6000.0 0.4
7. Check other functions, such as Tare, Memory, Print, Mode and Auto-Off.

KERN 440...N Specifications

General

Brand	KERN
Model	440...N
Category	Scales
Language	English