User Manual
High Voltage Detector
MODEL DV690
Table of contents
1 Introduction........ ........ ................ ........... ........ ........... ..........1
1.1 Product Overview ... ........ ........ ........... ........ ........ ........ . 1
1.2 Product Features..... ........ ........... ........ ........ ........ ........1
2 Product Description ....... ........ ........ ........ ........... ........ ..........2
2.1 Front and Back Descriptions .... ........ ........... ........ ........ ..2
2.2 ‘Hot Stick’ Attachment Adaptor ...... ........ ................ ........3
2.3 Control Switches .... ........ ........ ... ........ ........ ........... ..... . 3
3 Battery Operation....... ........ ................ ... ........ ........ ........... ... 4
3.1 Installing Batteries ........... ........ ........ ... ..... ........... ........ 4
4 Product Verification Tests. ........ ........... ........ ........ ........... ..... . 5
4.1 Automatic Self-Test ....... ........ ........ ........ ........... ........ ... 5
4.2 Manual Verification Test ...... ........ ........... ........ ........ ...... 5
4.3 Ambient Noise Buzzer Test ..... ........ ........ ........... ........ ... 5
5 Wearing the DV690 ... ... ..... ........... ........ ........ ... ................ .....6
5.1 Options for Wearing the Detector ...... ........... ........ ........ ..6
6 Using a ‘Hot Stick’ ...... ........... ........ ................ ........... ........ ... 7
6.1 How to Attach the Detector to a Hot Stick....... ........... ....... 7
7 Basic Operating Steps ...... ........ ........ ... ........ ........ ........ ........ 8
8 Distance To Voltage Considerations . ........ ... ........ ........ ..........9
9 Specifications.... ........... ........ ........ ... ................ ........ ........ . 11
10 Two-year Warranty............ ........ ........ ........... ..... ... ........ ...... 12
11 Service and Support ...... ........ ........... ........ ........ ........ ......... 13
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Introduction
1.1 Product Overview
The Extech High Voltage Detector, Model DV690, senses the presence of AC
voltage and alerts you (audibly and visibly) when you are in close proximity to
live equipment and dangerous voltages. The non-contact sensor plate detects
radiated electrical fields as it nears a live conductor.
1.2 Product Features
• Detects electrical fields from 100 V AC to 69 kV AC
• Frequency bandwidth: 50 to 60 Hz
• Bright LED alert indicator
• Loud buzzer alarm (106 dB) with mute switch
• Built-in safety self-test function
• Can be held in hand or worn around the neck (supplied breakaway lanyard), clipped to a front pocket or belt, or strapped on an arm (supplied
elastic strap)
• Universal ‘hot stick’ option using the supplied adaptor
• Detector can be placed in the supplied soft protective pouch during use
• Durable product housing with rugged, textured hand grip
• Battery operated
• Supplied with a hard-shell carrying case, breakaway lanyard, arm strap,
soft pouch, hot stick adaptor, clip for belt or pocket mounting, 3 x ‘AA’ batteries and instructions
• Complies with EN 61326–1 safety standard
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Product Description
2.1 Front and Back Descriptions
Figure 2.1 Product Description
1. LED alert indicator: Lights when voltage is detected
2. Buzzer mute switch
3. Audible buzzer: Sounds when voltage is detected
4. Function select switch
5. Slots for elastic arm strap or hot stick adaptor
6. Battery compartment screws
7. Battery compartment cover
8. Belt/pocket clip
9. Neck-strap lanyard attachment slot
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Product Description
2.2 ‘Hot Stick’ Attachment Adaptor
Figure 2.2 Hot Stick Adaptor Accessories
1. Cylinder
2. Cylinder screw
3. Cylinder bracket
4. Universal spline connector
For instructions on assembling the adaptor, connecting it to the detector, and
attaching a hot stick, see Section 6, Using a Hot Stick.
2.3 Control Switches
1. Buzzer enabled
2. Buzzer muted
3. Power OFF position
4. Self-Test position
5. NCV (non-contact voltage) detection mode
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Battery Operation
The DV690 is battery powered and accepts three (3) 1.5 V ‘AA’ alkaline batteries in the rear compartment. If the detector does not audibly and visibly
alert when you move the function switch to the TEST position, replace the batteries and try again. Do not use the detector if it does not power up normally.
CAUTION
Always install three new batteries of the same make and type.
Do not operate the detector if the batteries appear to be damaged, leaking, or otherwise
abnormal in their appearance or odor.
3.1 Installing Batteries
The battery compartment is located on the back of the detector, as shown.
Figure 3.1 Opening the Battery Compartment
1. Open the battery compartment by removing the two screws that secure
the compartment cover.
2. Install three (3) 1.5 V ‘AA’ alkaline batteries, observing correct polarity.
3. Secure the battery compartment cover with the two screws.
4. Do not operate the detector until the battery compartment is secured.
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