User's Guide
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Heavy Duty Vibration Meter
Model 407850
Introduction
Congratulations on your purchase of the Extech 407850 Vibration Meter. The 40785 0
查询"407850"供应商
can confirm normal vibration levels and detect abnormal levels in industrial machinery
due to poor balancing, misalignment, structural compromises, and other factors. Careful
use of this meter will provide years of reliable service.
Specifications
General Specifications
Display 3-1/2 digit LCD
Measurement ranges Velocity: 0.02 to 7.87 inches/sec (0.5 to 199.9 mm/sec)
Acceleration: 2 to 656 ft/s
Frequency range 10Hz to 1KHz (frequency sensitivity meets ISO-2954)
Accuracy ± (5% of reading + 2 digits)
Calibration points Velocity: 50mm/sec @ 160Hz
Acceleration: 50m/s
Sampling time One (1) second approx.
Data output Isolated serial RS-232 PC Interface
Data Hold Freezes displayed reading
Min/Max Memory Meter stores highest and lowest readings for later recall
Auto Power OFF Meter automatically shuts off after 30 minutes of inactivity
Low battery indication Battery symbol appears on the LCD
Power supply 9V Battery
Power consumption 6mA DC approx.
Operating Temperature 32 to 122
o
F (0 to 50oC)
Operating Humidity Less than 80% RH
Dimensions Meter: 7.1 x 2.8 x 1.3" (180 x 72 x 32mm)
Probe: 0.75” (19mm) diameter x 0.83” (21mm)
Weight Meter: Approx. 0.5 lbs (230g)
Probe with magnetic base: 0.09 lbs (38g)
2
(0.5 to 199.9 m/s2)
2
@ 160Hz
2
Model 407850 Version 1.2 December 2005
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