Technical Data Measuring Instrument; Measuring Instrument - TESTO 454 Instruction Manual

testo
Temperature measurement
Pt100 sensor
Measuring range -200 to +800 °C
Resolution
Accuracy ±0.1 °C (-49.9 to +99.9 °C)
±0.4 °C (-99.9 to -50 °C and +100 to +199.9 °C)
±1.0 °C (-200 to -100 °C and +200 to +800 °C)
NiCr-Ni sensor
Measuring range -200 to +1370 °C
Resolution
Accuracy ±0.4 °C (-100 to +200 °C)
±1.0 °C (remaining range)
NTC sensor
Measuring range -20 to 80 °C
Resolution
Accuracy ± 0.2 °C (-10 to 50 °C)
± 0.4 °C (remaining range)
PtRh-Pt sensor
Measuring range 0 to +1760 °C
Resolution
Accuracy
FeCu-Ni sensor
Measuring range -200 to +1000 °C
Resolution
Accuracy ±0.4 °C (-150 to +150 °C)
±1.0 °C (remaining range)
Humidity measurement
Measuring range 0 to 100 %RH
Resolution 0.1 %RH
Accuracy See probe data
Pressure measurement
Meas. range Resolution Accuracy
±100 hPa 0.1 hPa ±0.1 hPa
±10 hPa 0.01 hPa ±0.01 hPa
2000 hPa 1 hPa ±2 hPa
10 bar 0.01bar ±0.2 % of f.v.
30bar 0.01 bar ±0.2 % of f.v.
Velocity measurement
Vane
Measuring range 0 to 60 m/s
Resolution
Accuracy See data on probes
Therm. anemometer
Measuring range 0 to 20 m/s
Resolution 0.01 m/s (0 to 4 m/s)
0.1 m/s (remaining range)
Accuracy ±0.01 m/s (0 to 1.99 m/s)
±0.02 m/s (2 to 4.9 m/s)
±0.04 m/s (5 to10 m/s)
Frequency measurement
Measuring range 30 Hz to 300 kHz
Resolution 0.01 kHz
Accuracy ±0.01 kHz
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10
Technical data

10.1 Measuring instrument

Current measurement
Measuring range Resolution
0 to 20 mA 0.01 mA
0.1 °C
Voltage measurement
Measuring range Resolution
0 to ±1 V 1 mV
0 to ±10 V* 0.01 V
* only with current/voltage cable 0554.0007!
Resistance measurement
0.1 °C
Measuring instrument Resolution
100 Ω to 300 kΩ 0.01 kΩ
CO2 measurement
Measuring range
0.1 °C
0 to 10,000 ppm ±5 % of m.v. or 50 ppm
0 to 1 Vol% ±5 % of m.v. or 50 ppm
Memory space
1 °C
approx. 110,000 measured values)
±1.0 °C
Alarm output
max. load current
0.1 °C
max. permissible power
max. permissible voltage
(6V with polarity reversal)
Trigger
max. permissible voltage
Actuating shaft
Input load
Programmable
channel settings
Probe assignment • Max. 6 probes simultaneously
• Max. 4 probes simultaneously
when ball velocity probes
Power supply • 6 cell rechargeable battery,
0.1 m/s
Battery life
Continuous oper. with 6 thermocouple probes
10 minute measuring rate
Language versions
Operating temperature
Storage and
transport temperature
Connection
Weight 650 g (incl. rechargeable battery)
Other
Accuracy
±0.04 mA
Accuracy
±1 mV
±0.01 V
Accuracy
±1 % of mv
Accuracy
Accuracies ±1 digit
256 kB (corresponds to
Electrically isolated
open-collector outputs
50 mA (internal limit)
240 mW
30 V
10 V
4 to 10 V
20 mA (at 10 V)
• Unit
• Scaling
• Calibration
are connected
built-in
• or via 12 V mains unit
8 h
11 days
G and E
0 to +50 °C
short-term 0 to +60 °C
-25 to +60 °C
Standard flange socket
• Automatic recognition
of all connected probes
• Housing material ABS