Raytek Raynger St St20 Users Manual

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RayngerST

Raytek®Infrared Noncontact

Thermometers are the

professional’s choice for:

• Automotive and Diesel

• HVAC/R Systems

• Electrical and Industrial

• Facility Maintenance

• Food Safety

• Asphalt Work

• Fire Safety

• Marine Maintenance

20/30 Pro

TheProfessional’sChoice

Choose the Raynger ST Pro when you need a dependable,

professional tool for day-to-day applications. You won’t find other

noncontact thermometers with the temperature range, ability to

measure so small an area, and comparable laser sighting at this price.

Whether you choose the ST20 with single point laser sighting, or the

ST30 with offset eight point circular laser sighting, gathering tem-

perature data has just become easier. Simply point, shoot and read.

With a wide temperature range, MAX temperature display, and

choice of laser sighting options, the ST Pro makes temperature

measurement a breeze. Both the ST20 and ST30 feature rugged

rubber overmolding, and the ability to be tripod mounted.

Choose the infrared noncontact thermometer that millions of

professionals use worldwide. Call today and discover the Raytek

advantage—fast, easy and safe temperature measurement backed by

over 35 years of experience and top-quality customer service.

®™

NEW!

Visualize the target area

with circular laser sighting

in the ST30 model.

Specifications and Features

RayngerST

ST20 and ST30 ProPlus Target Spot Sizes

D:S = 12:1 at Focus Point

Specifications

Temperature Range

ST20 Pro -32 to 400˚C (-25 to 750˚F)

ST30 Pro -32 to 545˚C (-25 to 950˚F)

Accuracy 1% or ±1˚C (±2˚F), whichever is greater above 23˚C (73˚F)

@ 23˚C (73˚F) ambient ±2˚C (±3˚F) @ -18 to 23˚C (0 to 73˚F)

operating temperature ±2.5˚C (±4˚F) @ -26 to -18˚C (-15 to 0˚F)

±3˚C (±5˚F) @ -32 to -26˚C (-25 to -15˚F)

Repeatability ≤±0.5% or ≤±1˚C (±2˚F) whichever is greater

Response Time ≤0.5 second (95% of reading)

Ambient Operating Range 0 to 50˚C (32 to 120˚F)

Power 9V Alkaline or NiCd Battery

Weight 320g (11oz)

Features ST20 Pro ST30 Pro

Distance to Spot (D:S) 12:1 12:1

Emissivity pre-set at 0.95 pre-set at 0.95

Laser Sighting single point offset 8 point circular

MAX Temperature Display ✔✔

Display Hold (7 seconds) ✔✔

LCD Backlight ✔✔

Display Resolution 0.2°C (0.5°F) 0.2°C (0.5°F)

Hard Carrying Case ✔✔

Options/Accessories

• Nylon Holster

• NIST Traceable Calibration Certificate

Raytek, the Raytek logo, and Thermalert are registered trademarks

of Raytek Corporation.

©2001 Raytek Corporation, Printed in USA, 3/01 Rev. A

Specifications subject to change without notice. 3-1022

Worldwide Headquarters

Raytek Corporation

Santa Cruz, CA USA

Tel: 1 831 458 1110

800 866 5478 (U.S. and Canada only)

Fax: 1 831 425 4561

www.raytek.com

5710 Kenosha Street

Richmond, Illinois 60071 USA

Phone: +1 (815) 678-2211

FAX: +1 (815) 678-3961

Internet: www.watlow.com

e-mail: info@watlow.com RIC-20-0401

For Sales and Ordering Contact: For Service and

Warranty Contact:

Your Authorized Watlow Distributor Is: