Description

Lutron PHOTO /CONTACT TACHOMETER Model : DT-2238

FEATURES

• World’s patent, Multi-functions, one instrument TACH. ( RPM, m/min., ft/min. ).
• Wide measuring range from 0.5 to 100,000 RPM.
• RPM resolution for the measured value < 1000 RPM.
• The last value, max., value, min. value will be stored into the memory automatically & can be obtained by pressing Memory Call Button.
• High visible LCD display gives RPM reading exactly with no guessing or errors & saves battery energy.
• This tachometer used the exclusive one chip MICRO-COMPUTER LSI circuit & crystal time base, offer the high accurate measurement & fast sampling time.
• The use of durable, long lasting components, including a strong, light weight ABS plastic housing, assures almost maintenance free performance for many years.
• The housing cabinet has been carefully shaped to fit comfortable in either hand.

SPECIFICATIONS

• Display: 5 digits, 10 mm(0.4″) LCD(Liquid Crystal Display), with function annunciation
• Measurement & Range:
• PHOTO TACH. : 5 to 99,999 RPM.
• CONTACT TACH. : 0.5 to 19,999 RPM.
• SURFACE SPEED ( m/min. ) : m/min.- 0.05 to 1,999.9 m/min. ft/min.- 0.2 to 6,560 ft/min.

 

Resolution:

• RPM 0.1 RPM ( < 1,000 RPM ). 1 RPM ( 1000 RPM ).
• m/min. 0.01 m/min ( < 100 m/min. ) 0.1 m/min ( 100 m/min. )
• ft/min. 0.1 ft/min. ( < 1,000 ft/min. ) 1 ft/min. ( 1,000 ft/min. )

 

Accuracy:

• RPM : ± ( 0.05% + 1 digit ).
• Surface speed : ± ( 2% + 1 digit )

 

• Time base: Quartz crystal, 4.194 MHz.
• Circuit: Exclusive one-chip of microcomputer LSI circuit.
• Operating Temp: 0- 50 ℃ ( 32 – 122 ℉ ).
• Operating Humidity: Less than 80% R.H.
• Memory: Last, Max. & Min. value
• Power Consumption:
• Photo type: Approx. DC 153 mA.
• Contact type: Approx. DC 10 mA.
• Size: 195 x 61 x 38.5 mm (7.6 x 2.4 x 1.5 inch)
• Weight: 280g (0.61 LB)/including battery.

 

 

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