Formula Sound

Formula Sound Sentry Lite Sound Limiter with 32A Contactor (152)

Name: Formula Sound Sentry Lite Sound Limiter with 32A Contactor (152)
Brand: Formula Sound

The Sentry Lite is the cut-down version of Formula Sound's Sentry MK2, for venues that need one fixed limit and nothing more. The wall-mounted display unit has a built-in microphone and an LED bar that shows how close the room is to the limit; if the level stays over it for the set time, the unit trips the supplied 32A contactor and cuts mains to the music equipment until it is reset. It comes as a complete kit with the contactor, so there is nothing else to specify for a single ring, and the settings sit under a sealed cover once the level has been agreed with the council.70-120 dBThreshold · Single level32AContactor · Included8 LEDDisplay · 23 dB spanLin / BassWeighting · JumperPower the Sentry Lite separatelyThe display unit must be fed from a supply that the contactor does not control, otherwise it switches itself off when it trips. Formula Sound specify using only the contactor supplied, fitted by a qualified electrician to BS 7671. For two separate rings, the 153 version with a double contactor is available to order.FeaturesComplete kit: display unit plus single 32A contactorBuilt-in electret microphone, or an external mic with 18 V phantom powerOne threshold level, 70 to 120 dB, set on a 10-turn potentiometerLinear or Bass weighting (300 Hz low-pass) to target low-frequency complaints8-segment LED display with WARNING and OVER LIMIT stagesManual reset; powers up tripped so a power cut cannot bypass itMicrophone tamper and security loop LEDsSettings under a screwed cover with non-reusable security labelsRemote WARNING and RESET REQUIRED outputs and remote reset inputFront-panel reset can be disabled so only the 074K or 074P remote box resets itLow-voltage 2-core link to the contactor, bell wire is fineSpecificationsTypeCut-off sound level limiter (mains disconnect)Threshold range70 to 120 dB, single level (+6 dB gain jumper below 90 dB)Trip delayAdjustable, factory set to 20 secondsWeightingLinear or Bass (300 Hz low-pass, 12 dB/octave)Display8 LED segments: -20, -10, -5, -3, -1, +1, WARNING +2, OVER LIMIT +3 dBMicrophoneInternal electret; external mic input with 18 V phantom (jumper)ContactorSingle 32A, single phase, fused (included)ResetManual, local or remotePower240 V AC approx. 1 A (110 V to order)EnclosurePolycarbonate UL94-V2, grey with clear cover, 3-screw wall fixingDimensionsDisplay unit 166 x 160 x 134 mm; contactor box 260 x 155 x 85 mmIn the boxSentry Lite display unit, single 32A contactor, security labelsPart number152Show more

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