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Simpson 228 - 3 Controls and Functions

Simpson 228
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9
Weight: 2½ lbs. (1,134 g)
Low-Battery Indication: Instrument provides a battery test selection on
power switch and corresponding scale on
meter dial.
3. CONTROLS AND FUNCTIONS
Figure 2. Controls and Functions
Mechanical Zero Adjustment Screw
Adjusts the meter pointer to zero when the instrument is turned OFF.
Power Control Switch
Turns the Instrument ON and OFF. Select the BATT setting before each use to
determine battery condition. A weak battery may cause inaccurate readings.
Function Select Switch
Selects one of three operating modes: VOLTS, BURN HAZARD and SHOCK HAZ-
ARD.
Response Network Select Switch
Selects one of two shock hazard response networks: REACT and LET GO. This
switch is used in conjunction with the SHOCK HAZARD setting on the Function
Select Switch.
Meter Dial
Displays Instrument measurements. The meter dial has four measurement scales
and a battery test scale.
OUTPUT
REACT.
LET GO
228
3
10
1
.3
ON
BATT.
OFF
+
5
0
.
5
.
2
150
1
.
0
.
4
1
.
5
2.0
.
2
.
5
1
.
0
.
4
1
.
5
.
6
.
6
2
.
0
.
8
2
.
5
2
0
0
1
.
0
3
.
0
2
.
5
.
8
3
.
5
1
.
2
4
.
0
1
.
4
2
5
0
3
0
0
V
O
L
T
S
R
.M
.S
M
IU
P
E
A
K
3
.
0
1
.
0
M
I
U
R
.
M
.
S
1
0
0
8
0
2
0
0
0
0
0
0
0
1
0
0
BATT.
OK
V
O
L
T
S
R
.
M
.
S
M
IU
P
E
A
K
M
IU
R
.M
.S
4
0
6
0
B
U
R
N
H
A
Z
A
R
D
m
A
R
.
M
.
S
.
B
U
R
N
H
A
Z
A
R
D
m
A
R
.
M
.
S
.
WARNING
READ MANUAL BEFORE USE
!
+
RESPONSE
LEAKAGE CURRENT TESTER
BURN
HAZARD
(0-100mA)
SHOCK
HAZARD
(MIU)
VOLTS
DC-1KHz
300 Volts max
Power
Control Switch
Function
Select Switch
Response Network
Select Switch
Meter Dial
Mechanical Zero
Adjustment Screw

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