SPECIFICATIONS
Backlight Feature
Press the button and the backlight illuminates for approxi-
mately 20 seconds then turns off automatically.
Measurement Modes
The meter can be set to measure pressure in the following
modes: bar, mmHg, ozin
2
, kgcm
2
, psi, inH
2
0, kPa, ftH
2
0, inHg,
cmH
2
0 and mbar. Each press of the UNIT button will cycle the
meter through each of the measurement modes. An arrow at
the bottom of the LCD will indicate the mode selected. The
meter will default to the mode last selected before meter was
turned off.
Clearing Display to Zero
To clear the display to zero disconnect from all pressure and
press the HOLD button for 3 seconds. “o o o o” will appear on
the LCD and the meter value will be cleared to zero.
Hold Mode
Pressing the HOLD button once will “freeze” the measurement
reading. “HOLD” will appear at the upper left of the LCD indi-
cating the meter is in the hold mode. Press the HOLD button
again to return the meter to pressure measurement mode.
Differential Mode
Differential pressure is the measurement of the difference
between two pressures.
TRACEABLE
®
MANOMETER/PRESSURE/VACUUM INSTRUCTIONS
(Continued on next page )
Display:
1
/
2
", 4- digit LCD.
Accuracy:
±0.3% of full scale between 0 to 50
o
C
Size/Weight:
2
3
/
4
x 7
1
/
8
x 1
1
/
8
/ 5 oz
Response time:
0.5 seconds
Operating
Temp
Range:
32-122
o
F (0-50
o
C)
Features: Memory
feature,
Backlight display,
RS-232 capability.
CONTROL BUTTONS
Powers unit off and on
REC Record mode
HOLD "Freeze" the pressure reading on the display
DIF - Differential mode
UNIT Cycle
meter through pressure units of measurement
Backlight function
OPERATION
On / Off / Auto Power Off
Press the button to turn the meter on. The meter will shut
off automatically approximately 20 minutes after every power on.
The “auto power off” function can be disabled for recording or
operating over longer periods of time by pressing POWER and
HOLD buttons simultaneously before power on. An “n” will appear
in the middle of the screen at which time the HOLD button can be
released, and then the power button. The “auto power off” mode
has now been disabled.
RANGE AND RESOLUTION CHART
Cat. No.
3460 3461 3462 3463
Maximum Allowed PSI
20 30 60 150
PSI Range
–5.000 to 5.000
–15.00 to 15.00
–30.00 to 30.00
–100.0 to 100.0
PSI Resolution
0.003 0.01 0.02 0.1
mbar Range
–345.0 to 345.0
–1034 to 1034
–2068 to 2068
–6895 to 6895
mbar Resolution
0.2 1 2 4
bar Range
–0.3450 to 0.3450
–1.034 to 1.034
–2.068 to 2.068
–6.895 to 6.895
bar Resolution
0.001 0.001 0.002 0.004
cm/H
2
O Range
–351.0 to 351.0
–1055 to 1055
–2109 to 2109
–7031 to 7031
cm/H
2
O Resolution
0.2 1 2 4
inch/H
2
O Range
–138.0 to 138.0
–415.0 to 415.0
–830.0 to 830.0
–2768 to 2768
inch/H
2
O Resolution
0.1 0.3 0.5 2
feet/H
2
O Range
–12.00 to 12.00
–35.00 to 35.00
–69.00 to 69.00
–231.0 to 231.0
feet/H
2
O Resolution
0.01 0.02 0.04 0.2
mm/Hg Range
–259.0 to 259.0
–776.0 to 776.0
–1551 to 1551
–5171 to 5171
mm/Hg Resolution
0.2 0.5 1 3
inch/Hg Range
–10.00 to 10.00
–31.00 to 31.00
–61.00 to 61.00
–204.00 to 204.00
inch/Hg Resolution
0.01 0.03 0.1 1.0
kg/cm
2
Range
–0.350 to 0.350
–1.060 to 1.060
–2.110 to 2.110
–7.030 to 7.030
kg/cm
2
Resolution
0.001 0.001 0.002 0.004
oz/inch
2
Range
–80.00 to 80.00
–240.0 to 240.0
–480.0 to 480.0
–1600 to 1600
oz/inch
2
Resolution
0.05 0.2 0.3 1
kPa Range
–34.50 to 34.50
–103.0 to 103.0
–207.0 to 207.0
–690.0 to 690.0
kPa Resolution
0.02 0.1 0.2 0.4
