Time, Vibration, and Overspeed
                             Controls

Instrumentation for underspeed and overspeed monitoring / control. Tachometers and tachometer/hourmeters, timedelays, speed switches, and magnetic sensor pickups.

Digital Tachometers:

• Digital Tachometers and Tachometer/Hourmeters (3.5” Style Case)
  - Digital tachometers or tach/hourmeters combined.
  - 5-digit LCD display (3/8 in. [9 mm] long digits).
  - Quick and easy dial-in calibration.
  - 8-40 VDC powered.
  - Magnetic sensor (pickup) or engine alternator input.
  MT90 (.pdf file)
  - Digital tachometer (no switch)
  SD35HL
  - Digital tachometer
  - Overspeed/underspeed trip points.

• MTH6 (.pdf file)
  - 3-1/2 inch dial digital tachometer and hourmeter
  - adjustable overspeed set point

• SHD30 Series (DT Style Case) (.pdf file)
  - Adjustable overspeed trip point.
  - Magnetic pickup or CD ignition powered.
  - Easy-to-operate faceplate membrane buttons.
  - Same style case as the DT9800 series.
  - CSA NRTL/C Approved.

• SHD45 Series (Round Style 4.5” Case) (.pdf file)
  - 4 -1/2 inch dial digital tachometer and hourmeter
  - Adjustable overspeed trip point.

Analog Tachometers:

• ATS, ATA, ATHA, ATHS Series (.pdf file)
  - Analog Tachometer and Tach/ Hourmeters
  - High visibility with backlight for night view.
  - 0-3000 RPM.
  - Magnetic sensor or engine alternator input.
  - 12 VDC (converter for 24 VDC available).

Electric Speed Switches for Crank Termination, Under or Overspeed Shutdown:
(.pdf file)

• Single Set Point Speed Switch
  SS300 Series
  - Overspeed switch with adjustable single set point,
     SPDT relay output.
  - Magnetic sensor, engine alternator, distributor ignition,
    or 12/24 voltage input.
  - For low frequency signal or adjustable differential.
  0S77D
  - Overspeed switch with adjustable single set point,
    transistor output.
  - Magnetic sensor input.
  0S77D-NCRC
  - Single setting for starter cranking disconnect.
  - Prevents starter re-engagement until the engine stops.
  - Adjustable trip point.
• Dual Set Point Speed Switch
  HD9063 Series
  - Dual set point crank disconnect and overspeed.
  - 2 SPDT relay outputs.

Hourmeters / Time Meters:

• Electromechanical Time Meters (.pdf file)
  TM Series
  - Electromechanical, quartz-based time counter.
  - Fits 2-1/16 in. (52 mm) diameter opening.
  - 12 or 24 VDC.
• Time Switches  (.pdf file)
   5T and 15T
  - 0-5 or 0-15 minutes spring wound time switch.
  - SPDT snap-switch.
  12T and 24T
  - 0-12 or 0-24 hours spring wound.
  - Self contained weatherproof case.
  - SPDT snap-switch.

Magnetic Sensors (pickups):

• Model MP3298
  - 303 stainless steel body.
  - 5/8 - 18 UNF x 3 in. (76 mm).
• Model MP7906
  - Aluminum body.
  - 3/4 - 16 UNF x 3 in. (76 mm).
• Model MP7905
  - Aluminum body.
  - 3/4 - 16 UNF x 4-3/4 in. (121 mm).

Shock / Vibration Switches for Fans, Compressors, Etc. :

• VS2 Series (.pdf file)
  - Designed to detect shock/vibrations in three-planes of
    motion.
  - Fully adjustable.
  - Includes magnetic latching feature.
  - Manuel or electric reset.
  VS2EX
  - Explosion-proof model for hazardous location.
  - 2 x SPDT snap-switches.
  VS2EXR
  - Explosion-proof model for hazardous location.
  - 1 x SPDT snap-switch.
  - Remote reset feature.
  VS2N
  - Pneumatic signal output. Manual reset.
• VS94 Series (.pdf file)
  - Protects your equipment from excessive shock or vibration.
  - Fine adjustment to precisely select the degree of sensitivity.
  - 2 SPDT snap-switches.
  - NEMA 4 & 4X; CSA 4 & 12.