DER-S0081A
5
Rev. 4.0 ©2005 - 2011 DMC Co., Ltd.
FST Series Product Specifications
2. Testing Regulation
2-1. Testing Regulation
§ If the regulation is not specified, the test is performed under the supplier’s regulation.
§ Tests are performed under the room temperature unless specified. The room temperature is referred as
follows:
Temperature: 20
°
C
±
5
°
C
Humidity: 65%
±
10%RH
2-2. Environmental Specifications
§ Chemical Resistance Test
Condition:
Tested after leaving the chemical on the surface for 12 hours being wiped off by cloth.
Judgement: Must be no effect in appearance.
2-3. Mechanical Characteristics
§ Activation Force Test
Condition:
Measured by depressing the point between
the dots to the conduction by the testing rod.
Judgement: Must satisfy the specification.
§ Operating Life Test (Finger)
Condition:
Testing rod: Refer to Figure 1
Voltage: DC5V
Load: 3N
Cycle: 2
hits/sec
Judgement: Must satisfy the following:
Activation Force:
Must satisfy the specification.
Linearity:
Must satisfy the specification.
Terminal Resistance:
Must satisfy the specification.
Insulation Resistance:
Must satisfy the specification.
Appearance:
Must satisfy the specification.
§ Operating Life Test (Pen)
Condition:
Testing rod: Refer to Figure 2
Voltage: DC5V
Load: 2.5N
Input size: 10 x 10 mm
Input character: A to Z/minute
Judgement:
Must satisfy the following:
Activation Force:
Must satisfy the specification.
Linearity:
Must satisfy the specification.
Terminal Resistance:
Must satisfy the specification.
Insulation Resistance:
Must satisfy the specification.
Polyacetal resin
Tip: R = 0.8
Figure 2. Testing rod 2
Silicon Rubber
(Hardness: 60
°
)
Tip: R = 4.0
Figure 1: Testing rod 1
