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Seltrol is a stocking distributor of a wide variety of industrial automation equipment. We are located in South Carolina and service SC and NC. Our inside and outside sales staff are available to assist you with your application. We provide technical - application support for all of our products.

Handheld Tachometers
 
DT-105A (LCD)
DT-107A (LED)
Shimpo’s microprocessor technology has heralded a superior standard in tachometer accuracy and capabilities for measuring and recording rotational/linear/surface speeds and total length. Offering unprecedented confidence via new improvements, the DT-105A and DT-107A battery-operated tachometers still feature the same rugged, high quality components that have made them the benchmark in the industry. These user-friendly, value-packed units feature expanded memory storage, added length functions, free N.I.S.T. certificate and many standard accessories. One year warranty.
Features Benefits
Multi-mode speed selection Features 16 selections for optimum versatility
Outstanding accuracy (±0.006% of reading) Provides reliable measurement results
Rugged aluminum construction Built to stand the test of time
Direct length measurement Offers value/versatility via added applications
Extensive speed range (0.10 - 25,000 RPM) Maximizes usage in almost limitless applications
Large 5 digit display Allows easy reading of numbers
Lengthy battery life (40 - 60 hours) Advanced power management enables longer operating times
Large 10 test memory capacity (selectable to 5 minutes or more) Stores last/min/max readings for thorough equipment and process inspection
Total revolution display Enables rotation counting during process analysis
Free N.I.S.T. certificate Permits easy compliance with regulations
CE mark Compliant with applicable EU directives
Minimum shaft loading overspeed protection Prevents potential instrument damage

 View specifications and drawings
 Download the DT-105A manual
 Download the DT-107A manual
 

 
Handheld Tachometers
 
DT-105A-S12 (LCD)
DT-107A-S12 (LED)
Possessing the same sophisticated features and accessories as our renowned DT-105A / DT-107A models, the DT-105A-S12 and 107A-S12 tachometers provide outstanding accuracy in measuring speed and direct linear length via a 12” wheel. The larger wheel rotates more slowly than a standard 6” wheel, thus enabling confident and safe high speed measurement. One year warranty.
Features Benefits
Multi-mode speed selection Provides optimum versatility via 16 selections
Extremely accurate (±0.006% of reading) Fully meets the strictest tolerances
All-metal construction Exceptional durability; withstands harsh usage
Direct length measurement Offers value/versatility via additional applications
12” calibrated wheel Facilitates direct interpretation of speed/length without arithmetic calculations; enables high speed measurement
Large 5 digit display Permits easy reading
Wide speed range (0.10 - 25,000 RPM) Allows usage in almost limitless applications
Long battery life (40 - 65 hours) Longer operating times are achieved
Large 10 test memory capacity (selectable to 5 minutes or more) Permits thorough equipment/process inspection
Total revolution display Enables rotation counting during process analysis
Free N.I.S.T. certificate Facilitates easy compliance with regulations
CE mark Compliant with applicable EU directives
Minimum shaft loading overspeed protection Potential instrument damage is avoided


 View specifications and drawings
 Download the DT-105A-S12 / DT-107A-S12 manual
 

 
Handheld Tachometers
 
DT- 205L (LCD)
DT- 207L (LED)
Our new DT-205L and DT-207L tachometers incorporate laser technology yet retain our hallmark rugged construction and reliable quality components; both offer incredible value and versatility as they perform non-contact and contact applications via the included contact adapter. We’re confident you’ll agree that these fine units are the most advanced handheld tachometers on the market! One year warranty.
Features Benefits
Sophisticated laser beam detection Safely allows RPM detection in hard- to-reach or dangerous areas
Exceptional accuracy (±0.0006% of reading) Assures reliable measurement results
Length and rate functions Offer expanded measurement capabilities
Multi-mode speed selection 9 selections allow optimum versatility
Broad speed range (up to 99,999 RPM) Covers a wide range of applications
Hardy aluminum construction Assures maintenance-free performance for many years
Large 5 digit display Numbers are easily readable
Expansive 10 test memory capacity (selectable to 5 minutes or more) Stores last/min/max readings for thorough equipment/process inspection
Extended battery life (25 - 40 hours) Advanced power management for longer operating times/increased productivity
Free N.I.S.T. certificate Permits easy compliance with regulations
CE mark Compliant with applicable EU directives




 View specifications and drawings
 Download the DT-205L manual
 Download the DT-207L manual
 

 
 Handheld Tachometers
 
DT- 205L-S12(LCD)
DT- 207L-S12(LED)
Incorporating the precise laser technology and user-friendly functions as our DT-205L/207L tachometers, the DT-205L-S12 and DT-207L-S12 provide exceptional accuracy in measuring speed and length via a 12” wheel; the larger wheel rotates more slowly than a standard 6” wheel, enabling reliable and safe registration of high speeds. These superior instruments also feature a contact adapter, conveniently allowing both non-contact and contact measurement. One year warranty.
Features Benefits
Advanced laser beam detection Enables safe RPM measurement from 14 feet
Extremely accurate (±0.0006% of reading) Fully meets the strictest tolerances
Length and rate functions Increases value/versatility via added applications
Multi-mode speed selection Provides versatility via 9 selections
Extensive speed range (up to 99,999 RPM) Maximizes usage in almost limitless applications
All-metal construction Exceptional durability; withstands harsh use
Large 5 digit display Permits easy reading
Expansive 10 test memory capacity Allows thorough equipment/process inspection
Lengthy battery life (25 - 40 hours) Longer operating times are achieved
Free N.I.S.T. certificate Permits easy compliance with regulations
CE mark Compliant with applicable EU directives



 View specifications and drawings
 Download the DT-205L-S12 manual
 Download the DT-207L-S12 manual

 
 Stroboscopes
 
DT-315A
The microprocessor-controlled DT-315A possesses the same great features of the DT-311A with the added convenience of total portability via its own internal power supply with up to one hour of full time, high intensity flash rate. Powered by rechargeable batteries located inside its rugged aluminum housing, the DT-315A also performs as an AC line-powered strobe when plugged into its standard AC adapter/charger unit. One year warranty.
 
Features Benefits
Extruded aluminum construction Exceptional durability
Internal battery supply Allows 4 hours of continuous duty on 1 charge
Continuous duty cycle Prevents downtime waiting for unit to cool
Phase shift (in degrees of delay time) Enables observer to focus on one particular area of rotating and/or reciprocating machinery
Repeatable accuracy (± 0.01% of reading) Provides reliable measurement results
Microprocessor-controlled Assures stability in changing temperature environments
External trigger Unit is automatically synchronized with equipment
Synchronous output Enables unit to drive other strobes
Flash timer control Extends flash tube life
Highly polished focused reflector Eliminates “blind” viewing areas
Manual flash controller knob Permits easy/accurate adjustments to flash rate
Fast recharge cycle Minimizes downtime to only 2 hours

 View specifications and drawings
 Download the DT-315A manual
 

 
Stroboscopes
 
DT- 315AEB
A truly portable unit, the DT-315AEB operates independent of line power via an exterior battery pack that can be carried with a convenient shoulder harness or set down to allow the operator full movement for visual inspection. When fully charged, rechargeable batteries power the strobe for approximately four continuous hours. The DT-315AEB also incorporates the same impressive features as our DT-311A and DT-315A strobes. One year warranty.

 
Features Benefits
Extruded aluminum construction Extraordinary durability yields long service life
External battery supply Lightweight; enables easy portability
Repeatable accuracy (± 0.01% of reading) Fully meets the strictest tolerances
Microprocessor-controlled Guarantees uncompromising performance in volatile temperature environments
Phase shift (in degrees of delay time) Enables visual analysis of rotating/reciprocating objects through all points of motion/time/angle
Flash timer control Prolongs flash tube life
Manual flash controller knob Permits easy/accurate adjustments to flash rate
External trigger Allows synchronization of the flash rate with the motion of the rotating machinery
Synchronous output Allows unit to power other strobes
Continuous duty cycle Eliminates downtime waiting for unit to cool
Highly polished focused reflector Prevents “blind” viewing areas

 View specifications and drawings
 Download the DT-315AEB manual
 

 
Stroboscopes
 
DT-311A
While the DT-311A stroboscope is extremely easy to operate via its lightweight and compact design, its rugged metal construction provides unequaled reliability in the harshest environments. One year warranty.
 
Features Benefits
Extruded aluminum construction Rugged and durable; assures reliable service
Highly accurate (± 0.01% of reading) Ideal for QC inspection and process control
Phase shift (in degrees of delay time) Enables visual analysis of rotating reciprocating objects through all points of motion/time/angle
High flash rate (up to 35,000 FPM) Fits most industrial specialty applications
Microprocessor-controlled Assures top performance in volatile temperature environments
External trigger Automatically synchronizes unit with equipment
Synchronous output Permits unit to power other strobes
Flash timer control Maximizes flash tube life
Continuous duty cycle Eliminates downtime waiting for unit to cool
Highly polished focused reflector Prevents “blind” viewing areas
Manual flash controller knob Allows quick/accurate flash rate adjustments

 View specifications and drawings
 Download the DT-311A manual

 
 Stroboscopes
 
DT- 314
Our straightforward DT-314 is intended to be machine mounted for continual visual inspection and monitoring of the machine’s action; it operates only on external mode in order to synchronize its flashing with the speed (rotation, vibration, etc.) of the equipment under observation. No display is necessary, as the strobe’s main function is to observe the action as it happens, resulting in an incredibly rugged and economical unit. One year warranty.

Not sure which sensor to use with your stroboscope? Use our sensor cross-reference.
Features Benefits
Rugged aluminum construction Assures maintenance-free performance for many years
Highly polished focused reflector Eliminates “blind” viewing areas
External trigger Unit’s flash rate is automatically synchronized with equipment or other strobes
Continuous duty cycle Prevents downtime waiting for unit to cool
Synchronous output Permits unit to power other strobes

 View specifications and drawings
 Download the DT-314 manual

 
 Stroboscopes
 
DT-721 (120 VAC)
DT-725 (Internal Battery)
DT-721 / 725 kit
The DT-721 and DT-725 are packed with many of the same features as our famous DT-300 series but are lighter in weight. Constructed of strengthened high impact plastic, these rugged units are exceptionally reliable and withstand the same harsh conditions as more expensive units. Both units are sold separately or as a convenient kit. The DT-721/DT-725 KIT contains a strobe, extra flash bulb, charger and rugged carrying case. One year warranty.


 
Features Benefits
Strobe KIT All components are protected and kept together in one convenient carrying case
Plastic housing with strength members Shock and impact resistant for exceptional durability
Lightweight design Portable; easy to carry and operate
Phase shift (in degrees of delay time) Enables observer to focus on one particular area of rotating and/or reciprocating machinery
Continuous duty flash bulb Eliminates down time for flash tube cooling
External trigger Allows synchronization of the flash rate with the motion of the rotating machinery
Slave functions Can control (or be controlled by) other strobes
Bright LED display Easy to read in low light conditions
Unique rotary pulse indicator Permits strobe to be set at the exact flash rate without drift
Manual flash controller knob Allows easy/accurate flash rate adjustments

 View specifications and drawings
 Download the DT-721 manual
 Download the DT-725 manual