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EXW Price: |
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Main Products: |
Electronic thermometer,Mercury thermometer,infrared thermometer,electronic timers,wireless doorbell,infra-red alarm,door alarm,personal alarm |
Contacts: | 徐文钟Chat |
Mobile: | 86-18757861683 |
E-mail: | |
WeChat: | 498044105 |
Address: | 18327 A, 6 Street, 3 F, 43 Gate, International Trade Mart (District 2). |
design criteria:
-- A. International commission IEC651 TYPE2 standard
-- B. American ANSI S1.4 TYPE2
* Measurement range: 30 to 130 dBA
* Accuracy: ± 1.5 dB
* Digital & resolution: 4 bits & 0.1 dB
* Frequency response: 31.5Hz to 8.5kHz
* Frequency weighting feature: a weighted (anthropomorphic dummy ears)
* Sampling frequency: 2 times/second
* Microphone: 1/2 inch condenser microphone
* Lock a large value
* Automatic induction backlight
* Low power display
* Automatic shutdown
* Packing method: blister + cardboard
* Power supply: 9V battery (6F22)
* Product Size: 57*36*149mm
* Net weight of product: 144g (including battery)
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