RM-1500/ RM-1501/ RM-1502 Digital handheld Tachometer Product ID: RM 1500/ 1501/ 1502

The Tecpel Digital Tachometer is manufactured by Tecpel company from Taiwan that is designed for fitting the stability of engine measurement, flywheels, pumps, elevators, and conveyors. It is a battery-operated suited for contact and non-contact RPM measurement. For non-contact RPM measurements for motors, gears, as well as in fans. This Tachometer has an available model of RM 1500/ 1501/ 1502. In RM 1500/ 1501 model, it has a 5 Digits LCD Display and a Light Reflex Measurement. The RPM measurement ranges from 10.00 to 99,999, and the measuring distance is 50 to 300 mm.


TECPEL Digital Tachometer Model:RM-1500/ RM-1501
Battery operated Non-Contact and Contact RPM measurement
ideal for engines,flywheels, pumps, elevators, conveyers.
Non-Contact RPM measurements for motors, gears, and fans

Certificate:CE
  • RM 1500 / 1501 Specifications: (23oC+/-5oC)
    • CE Safety Approved
    • General Specification: Battery: Four 1.5V battery (AA, UM3)
    • Time Base: 4.000MHz Quartz Crystal
    • Operating Temperature: 0oC~ 50oC ( 32oF~122oF )
    • Reflective light: Red LED
    • Size: 6.8""(L) x 2.5""(W) x 1.4""(H);175mm(L) x 65mm(W) x 36mm(H)
    • Weight: 250g (including battery)
    • Accessories: Carrying Case x 1 ,Reflective tape x 1,Instruction Manual x 1
    • (Software & RS-232 interface for DT-1501)
    • Option: Contact Adaptor( Optional DT-1502)
    • ORDERING INFORMATION
    • MODEL : RM 1500 Digital Optical Tachometer (exclude DT 1502 )
    • MODEL : RM 1501 RS-232 interface, Software and RS-232 cable
    • MODEL : RM 1502 Contact Adaptor ( See photo, please download data sheet by cliking upper data file key)
  • RM-1500 (1501) : RPM (non-contact measuring , Autorange):
    • Range Resolution Accuracy:
    • RPM (non-contact measuring , Autorange): Range Resolution Accuracy:
    • 10.0~6,000.0rpm 0.1rpm +/-0.01%+/-1digit
    • 6,000.0~9,999.9rpm 0.1rpm +/-0.02%+/-1digit
    • 1,0000~12,000rpm 1rpm +/-0.02%+/-1digit
    • 12,000~30,000rpm 1rpm +/-0.05%+/-1digit
    • Over 30,000rpm 1rpm +/-0.1%+/-1digit
  • RM-1500 (1501) +RM-1502: RPM (contact measuring , Autorange): 
    • Range Resolution Accuracy:
    • RPM (contact measuring , Autorange): Range Resolution Accuracy
    • 10.0~6,000.0rpm 0.1rpm +/-0.01%+/-1digit
    • 6,000.0~9,999.9rpm 0.1rpm +/-0.02%+/-1digit
    • 1,0000~12,000rpm 1rpm +/-0.02%+/-1digit
    • 12,000~30,000rpm 1rpm +/-0.05%+/-1digit
    • Over 30,000rpm 1rpm +/-0.1%+/-1digit

 

RM 1500 / 1501 Features :
  • 5 Digits LCD Display
  • Light Reflex Measurement
  • Range from 10.00 to 99,999 RPM
  • Measuring Distance 50 to 300 mm
  • Event Counter elapsed time
  • Max/Min/Hold : True Average
  • Auto Range RPM
  • Optical Measurement & Contact Measurement
  • Even Counter ( 0~99,999)
  • RS-232 Interface ( Optional DT- 1501 )
  • Contact RPM and circumferential Velocity measurement in one simple adaptor( optional DT- 1502)
  Range Resolution Accuracy
No-Contact RPM 10.00~99,999 0.01 / 0.1 / 1 0.04%±2 dgts
rps (Hz) 0.2~2,000 0.001 / 0.01 / 0.1 0.04%±2 dgts
Contact RPM 10.00~29.999 0.01 / 0.1 / 1 0.04%±2 dgts
m/min 1.000~2,999.9 0.001/ 0.01 / 0.1 0.04%±2 dgts
ft/min 1.000~ 2,999.9 0.001/0.01/0.1 0.04%±2 dgts
yard / min 2.00~3,000 0.01/ 0.1 / 1 0.04%±2 dgts
rps (Hz) 0.2 ~ 500 0.001/ 0.01 / 0.1 0.04%±2 dgts
 

Q and A:

I have a RM 1501 which I am trying to connect to the ""Digital Tachometer v5.0"" software running on a Win 7 Pro SP1 system.
The problem is the PC has no serial port so I am having to use a BELKIN F5U103v USB-to-Serial Comm port adaptor. Which has been set up match the RM-1501 requirements off 9600, 8, No parity, 1 SB, No Flow Control.
But the software indicates ""NO COM"".
Is there an update to the v5.0 software.
best regards

Answer : RM-1501 original transmission line of the pin, a special design, please  still use the original transmission line in series.


In addition, the sale of many USB to RS232 transmission line, mostly to the printer to use, not necessarily meet the RM-1501 such industrial equipment transmission needs, this is because the use of RS232 pin problems.


  Range Resolution Accuracy
No-Contact RPM 10.00~99,999 0.01 / 0.1 / 1 0.04%±2 dgts
rps (Hz) 0.2~2,000 0.001 / 0.01 / 0.1 0.04%±2 dgts
Contact RPM 10.00~29.999 0.01 / 0.1 / 1 0.04%±2 dgts
m/min 1.000~2,999.9 0.001/ 0.01 / 0.1 0.04%±2 dgts
ft/min 1.000~ 2,999.9 0.001/0.01/0.1 0.04%±2 dgts
yard / min 2.00~3,000 0.01/ 0.1 / 1 0.04%±2 dgts
rps (Hz) 0.2 ~ 500 0.001/ 0.01 / 0.1 0.04%±2 dgts

How does a contact RPM tachometer measure speed? How does a tachometer work?
The contact-type mechanical measurement sensor is a traditional RPM rotational speed measurement method. The rotational speed data collected by the sensor must be converted by electronic analysis inside the instrument. This measurement method is still used, but mostly for low-speed measurements from 20 to 8000 RPM.
This measurement method relies on contact pressure in the measurement process, and its biggest disadvantage is the discontinuity of loading motion. In addition, the method of mechanically measuring the RPM speed is not suitable for small objects. If the rotation rate is too high, it is prone to instability and shaking, so it needs to be fixed with a tripod.

Non-contact RPM speed measurement principle:
The measurement method uses the photoelectric reflection principle (optical RPM speed measurement method) The infrared rays emitted by the measuring instrument are reflected by the reflection strip fixed on the target to be measured, and then carry the relevant speed information. After the measuring instrument receives the reflected wave, it is processed to obtain the rotational speed data. This measurement method is more advanced, accurate, and safer than mechanical RPM measurement.