Bosch DCN Installation And User Instructions Manual page 6

Wireless discussion system
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DCN Wireless | Installation and User Instructions | About this manual
Electro-static discharges
Electro-static discharges can damage electric
components. You must take measures to prevent
electro-static discharges when you touch PCBs (refer to
figure 1).
1 2
12 11
figure 1: ESD prevention
table 1: ESD prevention
No.
Description
1
Safety isolating transformer
2
Distribution supply box
3
Conductive compartment trays
4
Electro-static voltage sensor
5
Cotton overall
6
Conductive floor mat
7
Conductive boots/heel grounding protectors
8
Conductive stool
9
Strap (resistance 0.5 to 1.0 MΩ)
10
Common reference point
11
Conductive bench top
12
Supply ground
Bosch Security Systems | 2007-11 | 9922 141 70691 en
3
4
5
10
9
8
7
Conversion tables
Length, mass and temperature are in SI units. Refer to
the data below to change SI units to imperial units.
table 2: Conversion of units of length
1 in =
25.4 mm
1 in =
2.54 cm
1 ft =
0.3048 m
1 mi =
1.609 km
table 3: Conversion of units of mass
1 lb =
0.4536 kg
table 4: Conversion of units of pressure
1 psi =
68.95 hPa
Note
1 hPa = 1 mbar.
6
table 5: Conversion of units of temperature
1 mm =
1 cm =
1 m =
1 km =
1 kg =
1 hPa =
9
°F
--- °C
=
+
32
5
5
°C
(
°F 32
)
---
=
9
en | 6
0.03937 in
0.3937 in
3.281 ft
0.622 mi
2.2046 lb
0.0145 psi

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