Measurement Ranges And Resolution; Accuracy And Response Time - TESTO 320 Instruction Manual

3 Specifications
3.2.4.
3.2.5.
1
Depending on the country version
12
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Measurement ranges and resolution

Measurement Measuring range Resolution
parameter
O 0 to 21 Vol.%
2
CO 0...4000 ppm
CO, H -comp. 0 to 8000 ppm
2
COlow, H -comp. 0 to 500 ppm
2
1
Draught -9.99 to 40.00 hPa 0.01 hPa
1
Fine draught -9.999 hPa to
+40.000 hPa
ΔP (only with gas 0 to 300 hPa
pressure set 0554
1203)
1
Fine pressure 0 to 300 hPa
(only with gas
pressure set 0554
1203)
temperature -40 to 1200°C
Efficiency 0 to 120 %
Flue gas loss 0 to 99.9 %

Accuracy and response time

Measurement Accuracy
parameter
O ±0.2 vol.%
2
CO ±20 ppm (0 to 400 ppm)
±5% of meas. val. (401 to 2000
ppm)
±10% of meas. val. (2001 to
4000 ppm)
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0.1 vol.%
1 ppm
1 ppm
0.1 ppm
0.001 hPa
0.1 hPa
0.01 hPa
0.1°C (-40.0 to 999.9°C)
1°C (from 1000°C)
0.1 %
0.1 %
Response
time (t )
90
< 20 s
< 60 s
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