The 3M Workstation Monitor Model 724 allows for the selection of test voltages" />
參數(shù)資料
型號: 724
廠商: 3M
文件頁數(shù): 27/28頁
文件大?。?/td> 0K
描述: WORKSTATION MONITOR KIT W/HDWR
標(biāo)準(zhǔn)包裝: 1
類型: 工作站監(jiān)視器
使用: 工作面,腕帶(2)監(jiān)視
特點: 連續(xù)監(jiān)視,雙芯系統(tǒng)
電源類型: AC 適配器
包括: 監(jiān)視器 軟線,接地線,雙纜芯遙控輸入插孔,AC 適配器,說明書,安裝螺釘(4),雙線連接器
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其它名稱: 98-0798-3713-8
98-0798-3713-8-ND
98079837138
SCP226
8
The 3M Workstation Monitor Model 724 allows for the selection of test
voltages (9V or 16V) and resistance limits (10 Megohms or 35 Megohms).
The additional ranges have been added to accommodate global electrical static
discharge requirements. Selection of the operating parameters are left up to the
user’s discretion (See Section 4).
Operator Monitoring: Single and Dual
The wrist strap monitoring function is
activated by plugging a wrist strap dual
conductor ground cord into either one
of the jacks on the 3M Dual Conductor
Remote Input Jack Models 732 and 733.
If the resistance of the wrist strap loop is
within the limits of the selected range (1.5
Megohms to 10 Megohms or 1.5 Megohms
to 35 Megohms) on the Workstation
Monitor Model 724, the cord, the wrist
band, and the contact to the arm of the
wearer, it is considered to be functioning
correctly. At this time, one of the (OK)
green lamps (1 or 2) will be illuminated on
the front of the monitor.
The wrist strap of the second operator is measured in the same way.
Operators are identified by the two (OK) green lamps (1 & 2). However, the
same high wrist strap red lamp (H) and low yellow (L) lamps illuminate when a
fault is detected. The green lamp that extinguishes identifies the operator that
is experiencing the fault condition.
If the resistance of the wrist strap loop is higher than the selected range (10
Megohms or 35 Megohms) on the Workstation Monitor Model 724, an (OK)
wrist strap green lamp (1 or 2) extinguishes, and a high wrist strap red lamp (H)
illuminates with an audible alarm. This is an indication of a high resistance in the
cord band, or poor contact between arm and band. If the resistance in the loop is
under 1.5 Megohms, it is an indication of a low resistance meaning one or both
current-limiting resistors are bypassed. The low yellow lamp (L) will flash and an
(OK) green lamp (1 or 2) will remain illuminated.
Figure 3 – 3M Workstation Monitor Model
724 Faceplate
Resistance High Operator
Resistance Low Operator
OK #1
Operator
OK #2
Operator
Resistance High
Work Surface
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741 FOOTPLATE FOR 740 TESTER
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