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EXTECH RPM33-NIST Combination Contact & Non-Contact Tachometer - Combination Contact & Non-Contact Tachometers
EXTECHCombination Contact & Non-Contact Tachometers

EXTECH RPM33-NIST Combination Contact & Non-Contact Tachometer

The EXTECH Laser Tachometer (MPN RPM33-NIST) is a combination contact and non-contact tachometer featuring an LCD with backlight. It offers an RPM accuracy of +/-0.05% of Reading +1 Digit and an RPM resolution of 1…

SKU 3G-OTH-176037

Also listed as: RPM33NIST · RPM33 NIST

Brand
EXTECH
Item
RPM33-NIST Combination Contact & Non-Contact Tachometer
Category
Combination Contact & Non-Contact Tachometers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

EXTECH
Manufacturer Part Number
RPM33-NIST
Type
1 RPM, 2 RPM Min Contact RPM
Includes
Wheels for Linear Surface Speed or RPM Measurements
RPM Accuracy
+/-0.05% of Reading +1 Digit
RPM Resolution
1 RPM
Calibration Certificate
Included
Digital Display Screen Type
LCD with Backlight

Technical Documents

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EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH Laser Tachometer (MPN RPM33-NIST) is a combination contact and non-contact tachometer featuring an LCD with backlight. It offers an RPM accuracy of +/-0.05% of Reading +1 Digit and an RPM resolution of 1 RPM. The unit includes wheels for linear surface speed or RPM measurements and comes with a calibration certificate.

Frequently Asked Questions

What is the EXTECH Laser Tachometer used for?

The EXTECH Laser Tachometer (RPM33-NIST) measures rotational speed (RPM) and linear surface speed in industrial maintenance, manufacturing, and quality control. It works in both contact mode (using included wheels) and non-contact laser mode for safe, accurate readings on rotating machinery, motors, and conveyors.

What are the specifications of the EXTECH Laser Tachometer?

The EXTECH Laser Tachometer offers RPM accuracy of +/-0.05% of Reading +1 Digit and RPM resolution of 1 RPM. It includes wheels for linear surface speed or RPM measurements, an LCD with backlight, and a calibration certificate. Minimum contact RPM is 2 RPM.

Where to buy the EXTECH Laser Tachometer worldwide?

3G Electric supplies the EXTECH Laser Tachometer (RPM33-NIST) worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to use the EXTECH Laser Tachometer for RPM measurement?

For non-contact measurement, aim the laser at reflective tape on the rotating object and press the measure button. For contact measurement, attach the appropriate wheel and press against the rotating surface. Ensure stable positioning for accurate readings. Refer to the included manual for detailed operation.

Used in

Common applications for EXTECH
HVAC system diagnostics — EXTECH AN340 vane anemometer for air velocity and humidity measurement
Industrial machinery maintenance — EXTECH 461995 laser tachometer for RPM and surface speed checks
Food and beverage quality testing — EXTECH RF12 analog refractometer for Brix concentration measurement
Refrigerant leak detection — EXTECH RD350 heated diode leak detector for R-513A systems
Environmental monitoring — EXTECH RH490 data logging hygro-thermometer for temperature and humidity logging
Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

3G Electric supplies EXTECH combination contact & non-contact tachometers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
Contact tachometer with LCD digital display, measuring rotational speed up to 20,000 RPM with ±0.05% accuracy and 0.1 RPM resolution. Includes 23-inch reflective tape and calibration certificate. Used for direct RPM measurement of rotating machinery in maintenance and quality control applications
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Contact tachometer with LCD digital display, measuring rotational speed up to 20,000 RPM with ±0.05% accuracy and 0.1 RPM resolution. Includes 23-inch reflective tape and calibration certificate. Used for direct RPM measurement of rotating machinery in maintenance and quality control applications
Contact tachometer with LCD digital display for rotational speed measurement. Offers RPM accuracy of ±0.05% and resolution of 0.1 RPM, with a maximum contact RPM of 19,999. Includes NIST calibration certificate. Suitable for measuring RPM of motors, fans, shafts, and other rotating machinery in maintenance and testing applications
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Contact tachometer with LCD digital display for rotational speed measurement. Offers RPM accuracy of ±0.05% and resolution of 0.1 RPM, with a maximum contact RPM of 19,999. Includes NIST calibration certificate. Suitable for measuring RPM of motors, fans, shafts, and other rotating machinery in maintenance and testing applications
Contact tachometer with LCD display for measuring rotational speed (RPM) and linear surface speed. Features 0.1 RPM resolution and ±0.05% accuracy, with a maximum contact RPM of 20,000. Includes wheels for linear surface speed or RPM measurements. Suitable for verifying speed of rotating machinery, motors, and conveyor systems in industrial maintenance and field service
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Contact tachometer with LCD display for measuring rotational speed (RPM) and linear surface speed. Features 0.1 RPM resolution and ±0.05% accuracy, with a maximum contact RPM of 20,000. Includes wheels for linear surface speed or RPM measurements. Suitable for verifying speed of rotating machinery, motors, and conveyor systems in industrial maintenance and field service
The EXTECH RPM250W is a non-contact tachometer with a measurement range up to 99,999 RPM and a resolution of 1 RPM. It offers an accuracy of +/-0.04% and features an LCD digital display. This instrument is suitable for measuring rotational speed of machinery, motors, and fans in industrial maintenance, HVAC, and manufacturing applications. Includes carrying case; calibration certificate not included
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The EXTECH RPM250W is a non-contact tachometer with a measurement range up to 99,999 RPM and a resolution of 1 RPM. It offers an accuracy of +/-0.04% and features an LCD digital display. This instrument is suitable for measuring rotational speed of machinery, motors, and fans in industrial maintenance, HVAC, and manufacturing applications. Includes carrying case; calibration certificate not included
Non-contact tachometer with laser sighting for measuring rotational speed up to 99,999 RPM. Accuracy ±0.05% with 1 RPM resolution. Includes reflective tape for non-contact measurement. LCD display. Used for checking RPM of shafts, pulleys, and fans in industrial maintenance and motor testing
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Non-contact tachometer with laser sighting for measuring rotational speed up to 99,999 RPM. Accuracy ±0.05% with 1 RPM resolution. Includes reflective tape for non-contact measurement. LCD display. Used for checking RPM of shafts, pulleys, and fans in industrial maintenance and motor testing
Contact tachometer with LCD display, measuring rotational speed up to 20,000 RPM with 0.1 RPM resolution and ±0.05% accuracy. Includes cone tip for direct contact measurement on rotating shafts and machinery. Supplied with NIST calibration certificate
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Contact tachometer with LCD display, measuring rotational speed up to 20,000 RPM with 0.1 RPM resolution and ±0.05% accuracy. Includes cone tip for direct contact measurement on rotating shafts and machinery. Supplied with NIST calibration certificate

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The EXTECH RPM33 is a combination contact and non-contact tachometer with a laser sight, offering RPM accuracy of +/-0.05% of Reading +1 Digit and 1 RPM resolution. It features an LCD with backlight and includes a carrying case. This instrument provides both contact and non-contact measurement modes for versatile speed measurement of rotating machinery such as motors, fans, shafts, and conveyor systems
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The EXTECH RPM33 is a combination contact and non-contact tachometer with a laser sight, offering RPM accuracy of +/-0.05% of Reading +1 Digit and 1 RPM resolution. It features an LCD with backlight and includes a carrying case. This instrument provides both contact and non-contact measurement modes for versatile speed measurement of rotating machinery such as motors, fans, shafts, and conveyor systems
This combination contact and non-contact tachometer measures rotational speed up to 99,999 RPM with +/-0.05% accuracy and 1 RPM resolution. It features an LCD display and includes reflective tape and a NIST calibration certificate. Suitable for verifying RPM of motors, shafts, and rotating machinery in maintenance and field service applications
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This combination contact and non-contact tachometer measures rotational speed up to 99,999 RPM with +/-0.05% accuracy and 1 RPM resolution. It features an LCD display and includes reflective tape and a NIST calibration certificate. Suitable for verifying RPM of motors, shafts, and rotating machinery in maintenance and field service applications
Combination contact and non-contact tachometer with LCD display. Measures rotational speed up to 19,999 RPM in contact mode with +/-0.05% accuracy and 0.1 RPM resolution. Includes wheels for linear surface speed or RPM measurements. Used for testing motors, conveyors, and shafts in industrial maintenance and quality control
EXTECH
Combination contact and non-contact tachometer with LCD display. Measures rotational speed up to 19,999 RPM in contact mode with +/-0.05% accuracy and 0.1 RPM resolution. Includes wheels for linear surface speed or RPM measurements. Used for testing motors, conveyors, and shafts in industrial maintenance and quality control