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)
Silicon Rubber (Hardness: 60°)
Tip: R = 4.0
Condition: | Testing rod: Refer to Figure 1 | Figure 1: Testing rod 1 | ||
| Voltage: | DC5V |
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| Load: | 300g |
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| Cycle: | 2 hits/sec |
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Judgement: Must satisfy the following: |
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| Activation Force: | Within ±50% of 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) |
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Condition: | Testing rod: Refer to Figure 2 | Polyacetal resin | ||
| Voltage: | DC5V |
| Tip: R = 0.8 |
| Load: | 250g |
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| Input size: 10 x 10 mm |
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| Input character: A to Z/minute | Figure 2. Testing rod 2 | |
Judgement: | Must satisfy the following: |
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| Activation Force: | Within ±50% of the specification. |
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| Linearity: | Must satisfy the specification. |
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| Terminal Resistance: | Must satisfy the specification. |
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| Insulation Resistance: | Must satisfy the specification. |
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5 | Rev. 2.0 ©2005 - 2006 DMC Co., Ltd. |