UNI-T UT372D User Manual page 7

Measuring distance: 50mm~500mm (non-contact);
Drop proof: 1m
Power: AAA 1.5V x3
Battery life: Continuous operating for about 20 hours (alkaline);
Product size: 176mm × 63mm x 38mm
Product weight: About 181g (without batteries);
Auto power off: The product shuts down automatically if no button press occurs for 15
minutes.
2. Environment Requirements
Indoor use
Altitude: 2000m;
Safety standards: EN IEC 61326; IEC 60825-1; EN 50689
Pollution degree: 2;
Operating temperature and humidity: 0℃~50℃ (≤80%RH);
Storage temperature and humidity: -20℃~60℃ (≤80%RH).
3. Electrical
Accuracy: ±(% of reading + digit);
Ambient temperature: 23℃±5℃;
Ambient humidity: ≤80%RH;
Temperature coefficient: 0.1× (accuracy) /℃.
(1) Accuracy
Item
RPM
Frequency
11
Accuracy
± 0.02% of reading + 1 digit)
(
(2) Resolution
Rotational velocity (RPM)
Frequency (Hz)
Surface velocity
Length (m)
Length (in)
Length (ft)
0.01 (1-99.99)
0.1 (100-999.9)
1 (1000-99999)
0.1
0.01 (1-99.99)
0.1 (100-999.9)
1 (1000-99999)
0.1m contact wheel
0.01 (1-99.99)
0.1 (100-999.9)
1 (1000-99999)
6'' contact wheel
0.01 (1-99.99)
0.1 (100-999.9)
1 (1000-99999)
0.1m contact wheel
0.32 (1-99.99)
0.3 (100-999.9)
1 (1000-99999)
6'' contact wheel
0.5 (1-99.99)
0.5 (100-999.9)
1 (1000-99999)
0.1m contact wheel
0.02 (1-99.99)
0.1 (100-999.9)
1 (1000-99999)
6'' contact wheel
0.04 (1-99.99)
0.1 (100-999.9)
1 (1000-99999)
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