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參數(shù)資料
| 型號： | 19245 |
| 廠商： | Desco |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 0K |
| 描述： | TESTER LOW RESISTANCE |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 測試器 |
| 使用： | 靜電控制設(shè)備測試 |
| 特點： | NIST 溯源 |
| 電源類型： | 電池 |
| 包括： | 電池，證書，電線 |
| 其它名稱： | 16-1164 |
DESCO WEST
- 3651 Walnut Avenue, Chino, CA 91710 (909) 627-8178 Fax (909) 627-7449
DESCO EAST
- One Colgate Way, Canton, MA 02021-1407 (781) 821-8370 Fax (781) 575-0172 Website: Desco.com
TB-3055
Page 3 of 4
2012 DESCO INDUSTRIES, INC.
Employee Owned
5. Re-assemble the tester.
Specifications
Output Voltage: 2.5 volts DC @ 10mA
Dimensions: 4.75" x 1.75" x .75" (12cm x 4.5cm x 2cm)
Operating Temperature: 0° - 40°C
Calibration
The Low Resistance Tester is calibrated to standards
traceable to NIST. Frequency of recalibratrion should be
based on the critical nature of those ESD sensitive items
handled and the risk of failure for the ESD protective
equipment and materials. In general, we recommend that
calibration be performed annually.
Calibration is performed by placing various resistors between
the probe tip and the lead wire.
1. Attach the alligator clip to the lead wire.
2. Set the Low Resistance Tester to the 1 ohm test setting.
3. Attach the lead of a 1 ohm resistor to the alligator clip.
4. Firmly place the tester’s probe tip on the opposite resistor
lead.
5. Press and hold the test button. The PASS LED should
illuminate.
6. Repeat the procedure with a 1.2 ohm resistor. The PASS
LED should not illuminate.
7. Repeat this process with the ranges listed in the table
below. If the unit fails calibration, check and replace the
battery.
Test Range Setting
PASS
FAIL
1 ohm
0 to 1 ohm
≥ 1.2 ohms
2 ohms
0 to 2 ohms
≥ 2.2 ohms
20 ohms
0 to 20 ohms
≥ 22 ohms
Maintenance
BATTERY REPLACEMENT
1. Properly ground yourself using a wrist strap.
2. Remove the 2 screws located at the back of the tester.
Figure 6. Locating the enclosure screws
Figure 7. Removing the back cover
3. Remove and turn over the circuit board.
4. Locate and replace the battery (3 Volt; Model CR2032).
First, place
battery under
prongs
Next, press here to snap
battery in place
Figure 8. Replacing the battery
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