Omega HHT21A user manual

Summary of the content on the page No. 1

Where Do I Find Everything I Need for
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User’s Guide
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TEMPERATURE

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 Wire: Thermocouple, RTD & Thermistor


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 Load Cells & Pressure Gages

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 Instrumen

Summary of the content on the page No. 2

WARRANTY/DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ® OMEGAnet Online Service Internet e-mail ensures that OMEGA’s customers receive maximum coverage on each product. www.omega.com info@omega.com If the unit malfunctions, it must be return

Summary of the content on the page No. 3

NOTES Safeguards and Precautions 1. Read and follow all instructions in this manual carefully, and retain this manual for future reference. 2. Do not use this instrument in any manner inconsistent with these operating instructions or under any conditions that exceed the environmental specifications stated. 3. Making measurements in close proximity to rotating equipment can be dangerous. Keep all loose clothiing and hair away from exposed moving machinery. Properly replace all machinery guards a

Summary of the content on the page No. 4

of the way. It may also be convenient to keep a spare supply of reflective TABLE OF CONTENTS TABLE OF CONTENTS tape in the free area underneath this cover. The instrument will provide six to eight hours of continuous operation on a SPECIFICATIONS ................................................................ 1 single set of batteries, depending on the type used. The instrument is provided with a built-in charging network, which works in conjunction with OVERVIEW .............................

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SPECIFICATIONS This product is designed for indoor or outdoor use under the following Remote/Internal conditions (per IEC1010-1): Switch Speed Range: 5 RPM to 100,000 RPM Accuracy: ± 1 RPM or .01% of reading Recharger Jack Internal Optics Resolution: 1 RPM Lens Display: 6-digit 0.45” high liquid crystal Display Update: Twice per second On-Target Indication: Target (Bullseye) on lower left of display Operating Distance: Range: Up to 10 feet [3.1 m] from leading edge of reflective tape Angle: Up t

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Dimensions (LxWxH):6.13” x 3.25” x 1.75 “ plus 4.75” handle When the trigger is released, the HHT21A will hold the last measurement [155.7 mm x 82.6 mm x 44.5 mm x 120.7 mm] taken and display it for up 90 seconds. Weight: 1.25 lbs [0.57 kg] On very small shafts, the HHT21A will work down to a reflective tape size of approximately 1/8 inch [3.2 mm] square. However, with this small tape OVERVIEW size, it would be necessary to operate the instrument very close to the rotating shaft and insure it i