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Total Station

MANUFACTURER Trimble
MODEL M3 DR 5"
AVAILABILITY Upon Request
TRAINING Training is required to use this item and we can arrange this if needed.
CUSTODIAN Professor Jim Chandler
ADDITIONAL CONTACT Nicholas Rodgers
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SITE West Park

Description

The Trimble M3 DR 5" is a lightweight, compact total station that incorporates Trimble Accessâ„¢ field software that enables users to quickly collect, record and calculate survey data. Utilising long range Trimble DR (Direct Reflex) technology with precise Nikon optics and a Class 2 pointer laser, the EDM (Electronic Distance Measurement) device provides highly-accurate measurements that can easily be imported into CAD (Computer-Aided Design) software.


Typical Applications

  • Topographic Surveying
  • Staking
  • Control

Specification

Distance Measurement:

Good conditions (with reflector sheet, 5 cm x 5 cm)1.5 m to 300 m
With single prism 6.25 cm1.5 m to 5,000 m


Reflectorless mode (Good Conditions)

KGC (18%)250m
KGC (90%)400m


Accuracy:
(Standard Deviation based on ISO 17123-4)

Prism±(2+2 ppm × D) mm
Reflectorless±(3+2 ppm x D) mm


Measuring Interval:

Standard mode1.5 s
Fast standard mode0.8 s


Reflectorless Mode

Standard Mode1.8 s
Fast Standard Mode1.0 s


Least count

Standard Mode1 mm
Fast Standard Mode10 mm


Angle Measurement:

DIN 18723 accuracy (horizontal and vertical)1.5 mgon
Reading systemAbsolute encoder
Circle diameter62 mm (2.4 in)
Horizontal/Vertical angleDiametrical
Minimum increment (Degree, Gon, MIL6400)Degree: 1/5/10"
Gon: 0.2/1/2 mgon
MIL6400: 0.005/0.02/0.05 mil


Telescope:

Tube length125 mm
ImageErect
Magnification30× (18x/36x with optional eyepieces)
Effective diameter of objective45 mm
EDM diameter50 mm
Field of view1°20'
Resolving power3"
Minimum focusing distance1.5 m (4.9 ft)
Laser PointerCoaxial Red Light


Tilt Sensor:

TypeDual-axis
MethodLiquid-electric detection
Compensation range±3.5'


Communications:

Communication ports1 x serial (RS-232C), 2 x USB (host and client)
Wireless communicationsIntegrated Bluetooth


Power:

SourceInternal Li–ion battery (x2)
Output voltage3.8 V DC
Operating timeapprox. 7.5 hours (continuous distance/angle measurement)
approx. 16 hours (distance/angle measurement every 30 seconds)
approx. 20 hours (continuous angle measurement)
Charging time4 hours (Full Charge)


General Specifications:

Sensitivity of Circular level vial10'/2 mm
Tangent/ClampsEndless
Display face 1QVGA,16 bit color, TFT LCD, backlit (320x240 pixel)
Display face 2Backlit, graphic LCD (128x64 pixel)
Point memory128 MB RAM, 128 MB Flash memory
Dimensions (W x D x H)149 mm x 145 mm x 306 mm
Weight (approx.)Main unit (without battery): 3.8 kg
Battery: 0.1 kg
Carrying case: 2.3 kg


Environmental:

Operating temperature range–20 °C to +50 °C
Storage temperature range–25 °C to +60 °C
Atmospheric correction
Temperature range–40 °C to +60 °C
Barometric pressure400 mmHg to 999 mmHg/533 hPa to 1,332 hPa/15.8 inHg to 39.3 inHg
Dust and water protectionIP66


Certification:

Class B Part 15 FCC certification, CE Mark approval. C-Tick.
Laser safetyIEC 60825-1 am2:2007
Reflectorless/Prism modeClass 1 laser
Laser PointerClass 2 laser
Laser PlummetClass 2 laser
Bluetooth type approvals are country specific.


Calibrated
Yes (September 2011).

Item ID #1642.

Last Updated: 30th October, 2012

Total Station