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DM-602RR/604RRUltrasonic Drilling Monitor for Construction

Koden's Drilling Monitors shape up to more intelligent utility device intended for more complex civil and foundation work.The DM-602RR/604RR with additional functions offer precise measurement, display and recording of perpendicularity of drilled holes and the shapes of cross-sections.


Easier and simpler to operate. You can manipulate the DM-602RR/604RR just like a home appliance.

Gain control switch, auto and manual, is provided.

Clear and precise records make your data reading and analysis easier.

Measurement range and depth data are indicated on the recording paper with wall face marks and numbers.

Furthermore, the recorded data can be output to an external PC via a built-in RS 232C output port.


Main Specifications

Recorder unit
Measuring systemUltrasonic echo sensing system
Recording systemDirect recording using the belt
Recording paperElectrosensitive recording paper 250 mm x 20 m (DMP-250)
Measuring range (radius)0.5 m、1.0 m、2.0 m、4.0 m
Measuring accuracy±2% at full scale
Power supply100/110/220 VAC,
50/60 Hz
Operating temperature-10°C to +50°C (14°F to 122°F)
Winch unit
Up/down speed (Continuously controllable from the recording unit)0 to 20 m/min
Up/down movable distance100 m maximum
Bottom and casing sensing systemAutomatic sensing by limit switch
Operating temperature-10°C to +50°C (14°F to 122°F)
Please contact Koden

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