Technical Data; Measuring Ranges And Accuracies - TESTO 521 Instruction Manual

10. Technical data

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10.1 Measuring ranges and accuracies

10. Technical data
10.1 Measuring ranges and accuracies
Instruments
Sensor
Measuring range
Overload limit
Static pressure
Accuracy* ±1 digit at ±0.2 % of full-
at nom. temp. 22 °C scale value
and meas. cycle>1 s
Resolution
*The accuracy specification applies immediately after zeroing of the sensor.
Measuring range
Accuracy**
±1 digit
+1370°C)
Resolution
Probe
Measuring range
Accuracy**
±1 digit
Resolution
* Power supply cable
** Instrument accuracy data apply only to instrument (without connected probe)
testo 521-1, inte- testo 521-2 inte- testo 521-3, inte- testo 526-1 inte- testo 526-2 inte-
grated differential grated differential grated differential grated differential grated differential
pressure sensor pressure sensor
0560 5210 0560 5211
0 - 100 hPa 0 - 100 hPa
300 hPa 300 hPa
1000 hPa (abs) 1000 hPa (abs)
±0.1 % of full-
scale value
0.01 hPa 0.01 hPa
(0 to 100 hPa) (0 to 100 hPa)
Pressure probes Pressure probes
to 2000 hPa to 400bar
±0.1% of reading for ±0.2% of reading for
Probe 0638 1347 Probe 0638 1741
Probe 0638 1447 Probe 0638 1841
Probe 0638 1547 Probe 0638 1941
Probe 0638 1647 Probe 0638 2041
Probe 0638 1747 Probe 0638 2141
Probe 0638 1847
0.1 Pa (0638 1347) 0.01 bar (0638 1741) 0.1 °C (-40 - +150 °C)
0.001 hPa (0638 1447) 0.01 bar (0638 1841)
0.01 hPa (0638 1547) 0.01 bar (0638 1941)
0.1 hPa (0638 1647) 0.01 bar (0638 2041)
0.1 hPa (0638 1747) 0.01 bar (0638 2141)
0.1 hPa (0638 1847)
Current measurement Current/voltage
measurement
0...20 mA 0 - 20 mA
Probe 0554 0528 0554 0007*
- ±0.04 mA (0 - 20 mA)
0.01 mA (0...20 mA) 0.01 mA (0 - 20 mA)
pressure sensor pressure sensor
0560 5213 0560 5280
0...250 Pa 0 - 2000 hPa
50 hPa 3000 hPa
1000 hPa (abs) 2000 hPa
±0,5 Pa ±0.1 % of full-
(0...20 Pa) scale value
±(0,5 Pa + 0,5%
of reading)
(20...250 Pa)
0.1 Pa 0.1 hPa
(0 to 2000 hPa)
NTC
-40 - +150 °C
±0.2 °C (-10 - +50 °C)
±0.4 °C (-40 - 10.1 °C)
±0.4 °C (+50.1 - +150 °C)
Current/voltage
measurement
0 - 10 V
0554 0007*
±0.01 V (0 - 10 V)
0.01 V (0 - 10 V)
pressure sensor
0560 5281
0 - 2000 hPa
3000 hPa
2000 hPa
±0.05% of full
scale value
0.1 hPa
(0 to 2000 hPa)
Type K (NiCr-Ni)
-200 - +1370 °C
±0.4 °C (-100 - +200°C)
±1 °C (-200 - 100.1 °C)
±1 °C (+200.1 -
0.1 °C (-200 - +1370 °C)