Testo 521-3 - Differential Pressure Measuring Instrument
Backorder Now, once ordered your item will dispatch before the 25th of May 2025, call 1300 737 871 (NZ 0800 737 871 to confirm).
- Extremely accurate and can detect even the smallest pressure changes with an accuracy of up to +/- 0.5 Pa.
- Has two probe inputs for additional pressure and temperature probes.
- Can aslo measure flow speed when used with a pitot tubde.
$2,133.67 AUD Inc. GST




Specifications
Measuring range (NTC)
|
-40 to +150 C
|
Accuracy
|
+/- 0.2 C (-10 to +50 C). Accuracy information applies only to instrument without probes connected
|
Resolution
|
0.1 C
|
Measuring range (Type K TC)
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-200 to +1370 C
|
Accuracy
|
+/- 0.4 C (-100 to +200 C). Accuracy information applies only to instrument without probes connected
|
Resolution
|
0.1 C
|
Measuring range (internal sensor) - Piezoresistive
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0 to 1.0 InHO / 0 to 2.5 hPa (Sensor is not suitable for long-term measurements)
|
Accuracy
|
+/- 0.0 InHO (0 to 0 InHO) / +/- 0.5 Pa (0 to 20 Pa); +/- (0.0 InHO +/- 0.5 % of mv) (0.1 to 1 InHO) / +/- (0.5 Pa 0.5 % of mv) (20.1 to 250 Pa)
|
Resolution
|
0.1 InHO / 0.1 Pa
|
Static pressure
|
400 InHO / 1000 hPa
|
Overload
|
20 InHO / 50 hPa
|
Zeroing
|
to 0.2 InHO / to 0.5 hPa
|
Measuring range (external probe) - Piezoresistive
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0 to 800 InHO / 0 to 2000 hPa
|
Accuracy
|
+/- 0.1 % of mv. Accuracy information applies only to instrument without probes connected
|
Resolution
|
0.1 InHO (0638 1347) / 0.1 Pa (0638 1347). 0.01 InHO (0638 1547) / 0.01 hPa (0638 1547). 0.001 InHO (0638 1447) / 0.001 hPa (0638 1447). 0.1 InHO (0638 1847 / 0638 1647) / 0.1 hPa (0638 1847 / 0638 1647)
|
Measuring range (external probe) - Ceramic
|
-15 to 5802 psi / -1 to 400 bar
|
Accuracy
|
+/- 0.2 % of full-scale value
|
Resolution
|
0.14 psi / 0.01 bar
|
Dimensions
|
9 x 3 x 2 in. / 219 x 68 x 50 mm
|
Operating temperature
|
0 to +50 C
|
Housing
|
ABS
|
Channels
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2; 1
|
Measuring rate
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0.04 sec
|
Connection
|
Hose
|
Battery type
|
9 V (6LR61)
|
Battery life
|
Continuous operation w/ internal pressure sensor
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Display type
|
LCD
|
Display function
|
7 segment display and point matrix
|
Display update
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2x per second, in fast measurement 4x per second
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Power supply
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Battery/Rechargeable battery,Mains unit 12 V
|
Interface
|
RS232
|
Memory
|
100 kB; 25,000 measuring values
|
Storage temperature
|
-20 to +70 C
|
Weight
|
300 g
|
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