ETH-300
Total Construction Solutions
Electronic Theodolites ETH-300 series ETH-302/305/310/320 for Building and Construction
Compact and portable electronic theodolites designed for ease of use Easy-to-read-display Built for the construction site
ETH-300 Electronic Theodolites

Building the future

The new ETH-300 series reflect angle accuracy and have an easy to see Pentax red side for safety and recognition. There are 4 models in the range providing a choice of 2 (0.001G), 5 (0.001G), 10 (0.002G) or 20 (0.005G) accuracy. Applications Setting out right angles and checking plumb Alignment measurements Anchor bolt layout 90 layout Key Features include: Easy to read-display Zero set and reverse angle display Powered by Alkaline batteries Easy to read-display A 16 characters x 2 line liquid crystal display (LCD) is incorporated on both sides of the instrument. Both vertical and horizontal angles are displayed in degrees or gon.
Easy key operation A row of soft keys allows simple and fast operation Easy to use Lightweight and compact The basic instrument weighs only 4.6 kg or 10 lbs. 2 oz. (including battery) Automatic power-off function Automatic power-off prevents unnecessary battery drainage. The remaining battery capacity is indicated on the display. Angle measurement and Angle control Clockwise and counter-clockwise angle measurement Conversion of the vertical angle to a percentage grade Zero setting of the horizontal angle at any position Horizontal angle Hold key function Bright optics All the models have a bright 30x magnification telescope which ensures sharp and clear images even in poor light conditions.
Standard configuration 2x Battery case (one is attached to each instrument) 4x Dry cell battery, type AA (pre-installed in battery case) 2x Adjusting pin 1x Screwdriver 1x Plumb bob 1x Rain cover 1x Carrying case Instruction manual
* Design and Specifications are subject to change without notice. - Printed in Belgium - Pentax 2003

Technical specifications

ETH-300 Series
Telescope Magnigication Objective aperture Resolving Power Field of view Minimum Focusing Distance Stadia ratio Stadia constant Focusing Angle Measurement Type Reading System Vertical Horizontal Minimum Display

ETH-302

ETH-305

ETH-310

ETH-320

Vertical axis

single axis 30 x 45 mm 1.35 m 2 Speed Incremental Single Dual
5 / 1 mgon (1/5 selectable) (0.2 /1 mgon) 5 / 1 mgon (1/5 selectable) (0.2 /1 mgon) 5 / 1.5 mgon 10 / 2 mgon (1 /2 mgon) 10 / 3 mgon 20 / 5 mgon (2 /5 mgon) 20 / 6 mgon (5/10 selectable) (10/20 selectable)
Compensator Yes Water Resistance IPX 4 Sensitivity of Vials Plate Vial Circular Vial Warning Buzzer Optical Plummet Telesc. Magnification Focus Range Power Source Type Operation Time Ambient Temperature Size and Weight Body Weight Detachable tribrach 30 / 2 mm 8 / 2 mm Yes 3x 0.5 m ~ 4 x AA Dry Battery Alkaline 30 hrs./ (NiMH 15 hrs) -20C - + 50C W 168 x H 330 x L 158 mm 4.6 kg / 10 lbs. 2 oz Yes 40 / 2 mm No
Accuracy (DIN18723) Unit of Angle Display Type Display Panel Key Panel
Your Authorized Pentax Dealer:

2 / 0.6 mgon

360/ 400 g / 6400 MIL dot matrix LCD 2 sides English
SURVEY/01/09/03 - AS 590309
Europe Pentax Europe N.V. European Coordination Centre, Survey Weiveldlaan 3-5 B-1930 Zaventem, Belgium survey_edc@pentaxeurope.com Tel: + 11 Fax: + 12
UK Pentax U.K. Limited Pentax House, Heron Drive Langley, Slough, SL 38 PN United Kingdom www.pentax.co.uk Tel: + 44 (01753) Fax: + 44 (01753) 792 794
2-5-2, Higashi-Oizumi, Nerima-ku,Tokyo 178-8555, Japan Tel: +81 (3) - www.pentax.co.jp/ppc
Member symbol of the Japan Surveying Instruments Manufacturers Association representing the high quality surveying products.

www.pentaxR300.com