Fluke 718Ex 30G - Certification Information; Getting Acquainted with the Calibrator; Front Panel Features

Pressure Calibrator
Getting Acquainted with the Calibrator
9
Certification Information
E
( II 1 G EEx ia IIC T4
Permitted for Zone 0 Equipment Group II, gas group
IIC hazardous atmospheres, temperature class T4
F
Class I Div. 1 Groups A-D T4 Intrinsically
Safe AEx ia IIC T4
Permitted for Division 1 hazardous atmospheres, Gas
Groups A-D, temperature class T4
Getting Acquainted with the Calibrator
Press
O
to turn the Calibrator on and off. The Calibrator
displays pressure and current measurements
simultaneously. See Figure 2.
The upper part of the display shows the applied pressure
or vacuum. Vacuum is shown as a negative value. Press
U
to select a different unit. When cycling the power off
and on, the Calibrator retains the unit last used.
The lower part of the display shows the current (up to
24 mA) applied to the current (mA) inputs.
Pushbutton operation is described in Table 2. Pump
features are shown in Figure 3 and described in Table 3.
LR110460
AEx ia IIC T4
I.S. Class 1
Div 1 Group A-D
)
Current mA
measurement
Pressure
measurement
Pressure
module input
Pressure
sensor input
Current
input
On/Off Button
HO
LD
COM
mA
30V
24mA
MAX
RANGE
UNITS
ZERO
DAMP
MIN
MAX
CLR
SWITCH
TEST
HOLD
BAROM
ETRIC ADJ.
718Ex 100G
PRESSURE
CALIBRATOR
FLUKE 700PEx
ONLY
100psi 689kPa
200psi 1379kPa
MAX
alz005f.eps
Figure 2. Front Panel Features