KERN EMB Service Manual

9 To Replace Load Cell Assembly
1. Disassemble top housing of scale.
2. Disconnect the load cell wires from main PCB. Remove the screws fixing the
bottom plate of the load cell assembly. Replace the load cell with a new one.
Connect the load cell wires and fix the screws.
3. Perform internal calibration as described in section 4.
4. Assemble the top housing.
5. Check accuracy of scale at different weight.
EMB 200-2 EMB 600-2 EMB 220-1 EMB 500-1
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
50.00 0.02 100.00 0.02 50.0 0.2 100.0 0.3
100.00 0.02 200.00 0.02 100.0 0.2 300.0 0.3
150.00 0.02 400.00 0.04 150.0 0.2 500.0 0.3
200.00 0.02 600.00 0.06 200.0 0.2
EMB 1200-1 EMB 2200-0 EMB 5.2K1 EMB 5.2K5
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
200.0 0.3 500 2 1000 3 1000 10
500.0 0.3 1000 2 3000 3 3000 10
1000.0 0.3 1500 2 5000 3 5000 10
1200.0 0.3 2000 2
EMB 100-3 EMB 1000-2
weight
(g)
tol.
(g)
weight
(g)
tol.
(g)
10.000 0.002 100.00 0.02
20.000 0.002 200.00 0.02
50.000 0.003 500.00 0.03
70.000 0.003 700.00 0.03
100.000 0.003 1000.00 0.03
6. Check other functions, such as Tare and Auto-Off.
EMB-SH-e-0933
11

KERN EMB Specifications

General

Calibration	External
Display	LCD
Weighing Plate Material	Stainless steel
Weighing Units	g, oz
Interface	RS232
Protection Class	IP54