E Instruments E4500 User Manual

54
K000000000EJ 023826A0 100714
Calibration procedure
To carry on the recalibration the following instruments are needed:
- Known concentration gas cylinder suitable for the sensor, complete with a pressure regulator
- Flow meter
- Hose with Tee fitting to connect the cylinder to the flow meter and to the instrument
In the following is described a recalibration example for the CO sensor.
→
1. Start the instrument
ATTENTION
• Make sure autozero is performed in clean air and completes properly.
• Do not connect the gas probe to the instrument.
• Check the battery charge level or connect the power adapter to avoid data loss
during recalibration.
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10:00
Eff. tot
%
91.4
Loss tot
%
8.6
∆T
°C
74.7
T air
°C
15.4
T flue
°C
190.1
Ex. Air
1.25
CO
2
%
9.3
O
2
%
4.2
Combustion analysis
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10:00
Eff. tot
%
91.4
Loss tot
%
8.6
∆T
°C
74.7
T air
°C
15.4
T flue
°C
190.1
Ex. Air
1.25
CO
2
%
9.3
O
2
%
4.2
Combustion analysis
Keep
pressed for
a few
seconds
2. Once autozero is completed press the key and select the diagnostic icon.
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10:00
Sensors
Hardware
Gas probe
Pump
Diagnostic
On site cal.
Password
On site calibration
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10:00
0 0 0 0
OK
Password
On site calibration
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10:00
1 1 1 1
OK
OK OK
Enter the
recalibration menu
password 1111.
Serial number: 1000
Firmware version: 1.00
E4500-N

E Instruments E4500 Specifications

General

Brand	E Instruments
Model	E4500
Category	Measuring Instruments
Language	English