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參數(shù)資料
| 型號： | 19219 |
| 廠商： | Desco |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 0K |
| 描述： | MONITOR GROUND HUB US |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 工作站監(jiān)視器 |
| 使用： | 工作面，腕帶監(jiān)視 |
| 特點： | 連續(xù)監(jiān)視，NIST 可追溯，單芯系統(tǒng) |
| 電源類型： | 120VAC |
| 包括： | 證書，硬件 |
| 其它名稱： | 16-1162 |
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-3049
Page 2 of 3
2011 DESCO INDUSTRIES, INC.
Employee Owned
Operation
Plug the Ground Hub Monitor into an outlet to see if the
green PASS LED illuminates. This signifies that the outlet
is correctly wired and the path to equipment ground is
intact. The screw that holds the outlet cover on may be
used to secure the Ground Hub Monitor so that it cannot
be unplugged. Use the included screws and split washers
to connect ring terminals (not included) to the Ground Hub
or the banana jacks (not included) to connect banana plugs
(see Figure 5).
TESTING THE GROUND HUB MONITOR
NOTE: The following procedure should only be done by
someone familiar with voltage hazards. This procedure will
work for 220VAC as long as the neutral and ground are
referenced. 220VAC produced with out of phase 110VAC-
Ground-110VAC will produce a FAIL result.
Isolate the ground plug from the Ground Hub Monitor by
inserting the monitor into a 3 to 2 plug adapter.
A. PASS OUTLET -
Connect a 5 kilohm resistor @ 5%
tolerance across the Neutral Plug and
Ground Plug. The PASS LED should
remain illuminated until the resistor is
removed. This test confirms the PASS
point for the neutral-to-ground
resistance.
B. FAIL OUTLET -
Connect a 12.5 kilohm resistor @ 5%
tolerance across the Neutral Plug and
Ground Plug. The FAIL LED should
remain illuminated until the resistor is
removed. This test confirms the FAIL
point for the neutral-to-ground
resistance.
Figure 5. Installing ring terminals and banana plugs to
the Ground Hub
(Wires not included)
Figure 6. Ground Hub Continuous Monitor in-use photo
Earth
Load / Hot
Neutral
Earthing Point
Outlet Status
FRONT VIEW
BACK VIEW
Figure 4. Desco 19224 Ground Hub Continuous Monitor
features and components
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| 19230 | MONITOR DUAL WORKSTATION 120V |
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