RayTek ST20, ST30 User Manual

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 P ro

TheP rofessional ’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 tem­perature 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 ar ea

with circular laser sighting

in the ST30 model.

S pecifications and F eatur es

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: [phone]
800 866 5478 (U.S. and Canada only)
Fax: [phone]
www.raytek.com

5710 Kenosha Street
Richmond, Illinois 60071 USA
Phone: [phone]
FAX: [phone]
Internet: www.watlow.com
e-mail: [e-mail]

RIC-20-0401

For Sales and Ordering Contact:

For Service and
Warranty Contact:

Your Authorized Watlow Distributor Is: