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     Laser Torque Meters


    Products: LTM2214-RM Rev.1.1
 
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     LTM2214 Rev.1.1 rugged version

Technical characteristics
 
Electronic unit:
Power supply:  220Vac approx.20W (115Vac upon request)
Fuse: 1A delayed (220Vac, 115Vac)
Display: LCD STN with led backlight, 20 characters x 4 rows (inside case)
Display backlight: adjustable via keypad
Display contrast: trimmer adjustable
Internal clock:   Crystal RTC, +/-10ppm/month, supplied by sealed lead 12V 1.2-1.5Ah backup battery (battery not supplied)
Digital input:
a) optically insulated pulse fuel consumption: 0/+5V, -5/+5V, 0/12V, -12/+12V, 0/+20mA
Analog input:
a) non insulated fuel consumption: 0/+3.3V, 0/+20mA, 4/+20mA (jumper and keypad selectable current input)
     Digital output:
a)   assignable alarm threshold: 1 pole changeover contacts relay 0.3A 24Vdc
b)   assignable alarm threshold: 1 pole changeover contacts relay 0.3A 24Vdc (shared with ETC)
c)   assignable alarm threshold: 1 pole changeover contacts relay 0.3A 24Vdc (shared with ETC)
     Serial output:
a)   RS232 9 pin male D type, with selectable speed (4800-9600-19200-38400-57600-115200-256000 Baud)
b)   RS422 9 pin female D type,  with selectable speed (4800-9600-19200-38400-57600-115200-256000 Baud)
Commands:
Five pushbutton keypad (MENU (►), OK (◄), UP (▲), DOWN (▼), ON/OFF) inside case
Signalling:
a)   red led (EOC - end of cycle) internal
b)   green led (laser pulse reception) internal
c)   red led (Alarm) internal
d)   red led (ON) internal
 
Optical receiver (frame) – electronic unit interconnection cable length:
a)   standard: 12m
b)   higher lengths must be requested at the order
 
Environmental:
      Temperature: -10°/+50°C
      Humidity: 10-98% relative non condensating
      Pressure: 700-1200mbar
      Acceleration: 4mm/s @ F<=800Hz; 2mm/sec @ F>800Hz
      Protection degree: IP55 (IP20 with door opened)
 
Dimension (LxHxD):
            400mm x 400mm x 200mm
15.75in x 15.75in x 7.78in
 
Weight:
            10kg (22lb) approx

 

 
Optical receiver:
Power supply (from the electronic unit):
18Vdc (protected against polarity inversion) or 18Vac, approx. 0.3A
Signalling:
a)   red led (ON) on the board
b)   green led (laser pulse reception) on the board
Protection: fuse 1A 220V delayed (mounted on the electronic unit)
Adjustment: trimmer adjusted low pass filter cut frequency on the board
 
Environmental:
      Temperature: -10°/+50°C (standard version); -20°/+70°C (extended temperature version)
      Humidity: 10-90% relative non condensating
      Pressure: 700-1200mbar
      Acceleration: 5mm/s @ F<=800Hz; 2.5mm/sec @ F>800Hz
      Protection degree: IP55
 
Dimension (LxHxD):
            260mm x 80mm x 74mm
10.24in x 3.15in x 2.91in
 
Weight:
     1.5kg (3.3lb) approx. (standard version); 3kg (6.6lb) approx. (extended temperature range)

 

 
Laser transmitter unit:
Laser wavelength: 670nm
Laser beam power: 1.0mW (Class II)
Beam shape: focused circular/eliptical dot
Focused dot dimension: 100um typical
Optics: single element with adjustable focus
Power supply: 9Vdc protected against polarity inversion, approx. 50mA
 
Environmental:
      Temperature: -10°/+50°C (standard version); -20°/+70°C (extended temperature version)
      Humidity: 10-90% relative non condensating
      Pressure: 700-1200mbar
      Acceleration: 5mm/s @ F<=800Hz; 2.5mm/sec @ F>800Hz
      Protection degree: IP55
 
Dimension (LxHxD):
            160mm x 58mm x 77mm
6.30in x 2.28in x 3.03in
 
Weight:
      1.5kg (3.3lb) approx. (standard version); 2kg (4.4lb) approx. (extended temperature version)
 
 
Frame:
Dimensions (LxHxD):
            1320mm x 580mm x 180mm
 52.0in x 22.83in x 7.8in
 
Weight:
            38kg (83.6lb) approx
 
Protective covers:
Dimensions (LxHxD):
            580mm x 250mm x 130mm
 22.83in x 9.8in x 5.1in
 
Weight:
            8kg (17.6lb) approx
 
Performance:
Performance figures measured at:
Temperature: 20°C +/-20%
Humidity: 50% +/-20% relative non condensating
Pressure: 1013mbar +/-20%
Acceleration: 1mm/s @ F<=800Hz; 0.5mm/sec @ F>800Hz
 
Accuracy (Precision): <+/-0.7% of f.s.
Resolution: +/- 1 digit
Repeatability: <+/- 0.7% of f.s.

 

      mailto: info@AdvancedMeasurementSolutions.com