The 261

The Quest 261 is a Sound Detector / Controller. It uses remote microphones to monitor sound within a specified area. When the sound exceeds a defined threshold between 55 and 110 dB, it activates an internal DPDT, 10A Fused, 300V rated relay. The relay can activate warning lights or alarms or it can be used to control equipment.

Typical Applications

• Hospitals, Neonatal Intensive Care Units

• School Lunchrooms, Gymnasiums, Classrooms

• Industrial Work Areas

• Environmental Work Areas

• Nightclubs and other Entertainment Establishments

For OSHA Hearing Conservation applications use the Model 261, along with the LB-26 Light Box, to prompt users when hearing protection is required.

If you have technical questions about whether the 261 sound detector and sound controller is right for your application, our knowledgeable support staff is here to help. For intelligent answers to your specific questions, please e-mail technical support.

Technical Specifications

dB Threshold Activation Range:

• 55 dB to 110 dB in 0.5 dB steps

Microphone:

• Electret, Built-in FET preamp

Area Coverage:

• Will monitor up to three areas with three microphones, each being up to 30 feet from the Model 261 (80) feet with the optional 50 foot extension cable)

Frequency Weighting:

• "A" and "C"

Response Time:

• 4 Rise Times and 4 Fall Times, easily selectable from the front panel. The LATCH Fall Time permits the relay to remain closed once activated. RELAY RESET or REMOTE RESET (optional) must be used to deactivate the relay.

Relay Contact Rating:

• 10 Amps Fused, 300 Volts Max, DPDT

Accuracy:

• ± 1 dB at 20°C

Temperature:

• -30°C to +50°C operating

Power Requirements:

• 117v / 234v, 50 / 60 Hz

Construction:

• Low power integrated circuitry in a rugged aluminum housing

Size:

• 10" x 7" x 3" (260 x 180 x 80 mm)

Weight:

• 3 lbs (1.4 kg)

LB-26 Light Box
Technical Specifications

Size:

• 20" x 8½" x 5" (508 x 216 x 127 mm)

Construction:

• Rugged aluminum case with translucent front and back legend panels

Lamps:

• Two 25 watt bayonet base bulbs:
  120 volt lamps GE Product Code #14683, Model 25T6½DC/F120

• 230 volt lamps GE Product Code #14687, Model 25T6½DC/F230

Power Requirements:

• 120 volt, 0.4 Amp or 230 volt, 0.2 Amp. Supplied either through customer wired ½" conduit or optional 3 wire line cord

Temperature Range:

• Operating -10 to +60°C

• Storage -20 to +65°C

Mounting Methods:

• ½" conduit from the top center of the LB-26 or two hooks and chain from top surface

Standard Legend:

• International Safety Symbol plus "HEARING PROTECTION REQUIRED WHEN THIS LIGHT IS ON"

Model 261 Sound Detector/Controller*

$1,683.10

Click HERE to buy online

* Price is without the LB-26 light box
Available for purchase with LB-26 light box for an additional $363.10. Select option at time of purchase.

MSRP $1,850.00