BEACONSELECTRONIC GUIDANCE SYSTEMS

Ditch Witch beacons are as durable as they are dependable in providing HDD bore-path data. Rubber end caps, secure hardware battery contacts, and double springs on battery fittings provide better protection from shock and vibration, and enhance overall performance. Our most rugged beacon, the 88B, is reinforced with a shock-resistant composite housing, larger antenna, and stiffer battery springs to minimize intermittent signals.

KEY FEATURES

DETAILS

LITERATURE

OFFERS

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KEY FEATURES,

BEACONS

Self-contained electronic pitch sensors eliminate the need for mechanical/electrical parts, resulting in improved reliability and more stable operation for smooth pitch readings.
The 86BG measures and displays pitch in 0.1% increments.
Beacons are repairable.

DETAILS,

BEACONS

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Innovative design isolates beacons from high-pressure drilling fluids.
When used with the 752 Tracker, the 86B can transmit from depths of 0.3 to 50 feet (0.1 to 15.2 m); for deeper boring, the 86BH provides readings to 70 feet (21.3 m) or more.*
Electronic trackers present beacon data in a clear, easy-to-understand LCD readout.

All Ditch Witch directional beacons transmit roll angle, beacon temperature, beacon battery status, and pitch information as part of the HDD guidance system.

*Units are calibrated to these tolerances under test field conditions. Actual field conditions may cause signal distortions or may contain noise sources that result in depth estimates that vary from these figures.

LITERATURE,

BEACONS

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MANUAL,

BEACONS

SPECIFICATIONS,

BEACONS


DIMENSIONS	U.S.	METRIC
88B/88B-AT BEACON
Length	11.5 in	292 mm
Diameter	0.8 in	19 mm
Working diameter	0.9 in	22 mm
Weight	6.6 oz	187 g
OPERATION	U.S.	METRIC
Operating frequency	29 kHz
Transmission data: Location, depth, roll angle, pitch, beacon battery status, beacon temperature
VERTICAL TRANSMISSION RANGE*	U.S.	METRIC
Using 750-752 tracker	0.3 ft - 30 ft	0.09 m - 9.14 m
POWER SOURCE
Battery type: 1 AA-cell alkaline
Average battery life: 18 hours (88B), 22 hours (88B-AT)
Auto sleep feature: Sleeps after 20 minutes of inactivity; rolling the beacon reactivates it
OPERATING ENVIRONMENT	U.S.	METRIC
Temperature, max.	176° F	80° C
Fluid pressure, max.	60 psi	4 bar
DIMENSIONS	U.S.	METRIC
86 BHL BEACON
Length	26.5 in	673 mm
Diameter	2.1 in	54 mm
Weight, with batteries	6.1 lb	2.8 kg
OPERATION	U.S.	METRIC
Operating frequency	29 kHz
Transmission data: Location, depth, roll angle, pitch, beacon battery status, beacon temperature
VERTICAL TRANSMISSION RANGE*	U.S.	METRIC
Using 750/752 Tracker	0.3 ft - 70+ ft	0.09 m - 21.3+ m
POWER SOURCE
Battery type: 4 D-cell alkaline (custom pack)
Average battery life: 60 hours
Auto sleep feature: sleeps after 20 minutes of inactivity; rolling the beacon reactivates it
OPERATING ENVIRONMENT	U.S.	METRIC
Temperature, max.	176° F	80° C
Fluid pressure, max.	60 psi	4 bar
DIMENSIONS	U.S.	METRIC
86B/86BH BEACON
Length	17.8 in	452 mm
Diameter	1.5 in	38 mm
Weight	2.2 lb	1 kg
OPERATION	U.S.	METRIC
Operating frequency	29 kHz
Transmission data: Location, depth, roll angle, pitch, beacon battery status, beacon temperature
VERTICAL TRANSMISSION RANGE*	U.S.	METRIC
Using 750/752 Tracker (86B)	0.3 ft - 50 ft	0.09 m - 15.24 m
Using 750/752 Tracker (86BH)	0.3 ft - 70 ft	0.09 m - 21.3 m
POWER SOURCE
Battery type: 2 C-cell alkaline (Power Stix-brand batteries are strongly recommended)
Average battery life: 60 hours (86B), 16 hours (86BH)
Auto sleep feature: sleeps after 20 minutes of inactivity; rolling the beacon reactivates it
OPERATING ENVIRONMENT	U.S.	METRIC
Temperature, max.	176° F	80° C
Fluid pressure, max.	60 psi	4 bar
DIMENSIONS	U.S.	METRIC
86BG BEACON
Length	17.8 in	452 mm
Diameter	1.5 in	38 mm
Weight	2.2 lb	1 kg
OPERATION	U.S.	METRIC
Operating frequency	29 kHz
Transmission data: location, depth, roll angle, pitch, beacon battery status, beacon temperature
Pitch transmission: Pitch sent in 0.1% increments up to 45% and in 1% increments from 45% to 100%
VERTICAL TRANSMISSION RANGE*	U.S.	METRIC
Using 750/752 Tracker	0.3 ft - 50 ft	0.09 m - 15.24 m
POWER SOURCE
Battery type and life: 2 C-cell alkaline, 16 hours; 3.6V lithium C-pack, 70 hours
Auto sleep feature: Sleeps after 20 minutes of inactivity; rolling the beacon reactivates it
OPERATING ENVIRONMENT	U.S.	METRIC
Temperature, max.	176° F	80° C
Fluid pressure, max.	60 psi	4 bar

ATTACHMENTS,

BEACONS

TRAILERS,

BEACONS

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HDD technology adapts to demand.