DT-805、(?)DT-805L噪(Zao)音(Yin)计(Ji)、(?)声(Sheng)级(Ji)计(Ji)还(Huan)有(You)A/C声(Sheng)级(Ji)频(Pin)率(Lu)计(Ji)权(Quan)、(?)快(Kuai)/慢(Man)速(Su)时(Shi)间(Jian)计(Ji)权(Quan)常(Chang)数(Shu)设(She)置(Zhi),(?)设(She)计(Ji)符(Fu)合(He)安(An)全(Quan)工(Gong)程(Cheng)、(?)健(Jian)康(Kang)、(?)工(Gong)业(Ye)安(An)全(Quan)的(De)测(Ce)量(Liang)要(Yao)求(Qiu)且(Qie)能(Neng)在(Zai)各(Ge)种(Zhong)环(Huan)境(Jing)下(Xia)监(Jian)测(Ce)声(Sheng)音(Yin)的(De)质(Zhi)量(Liang)。(?)符(Fu)合(He)IEC651 Type2, ANSI S1.4 Type2 标(Biao)准(Zhun)
1.带(Dai)背(Bei)光(Guang)LCD显(Xian)示(Shi)屏(Ping)
2.zui大(Da)值(Zhi)/数(Shu)据(Ju)保(Bao)持(Chi)功(Gong)能(Neng)
3.快(Kuai)/慢(Man)速(Su)时(Shi)间(Jian)计(Ji)权(Quan)
4.A/C声(Sheng)级(Ji)频(Pin)率(Lu)计(Ji)权(Quan)
5.宽(Kuan)量(Liang)程(Cheng)30~130dB
6.0.1dB分(Fen)辨(Bian)率(Lu)
7.高(Gao)/低(Di)频(Pin)段(Duan)测(Ce)量(Liang)模(Mo)式(Shi)
8.频(Pin)率(Lu)响(Xiang)应(Ying):(?)31.5Hz~8kHz
应(Ying)用(Yong)标(Biao)准(Zhun) | IEC651 type 2, ANSI S1.4 type 2 |
频(Pin)率(Lu)范(Fan)围(Wei) | 31.5Hz~8kHz |
量(Liang)程(Cheng) | 30~130dB |
度(Du) | + 1.5dB (在(Zai)94dB,(?)1 kHz参(Can)考(Kao)条(Tiao)件(Jian)下(Xia)) |
频(Pin)率(Lu)计(Ji)权(Quan) | A和(He)C |
时(Shi)间(Jian)计(Ji)权(Quan) | 快(Kuai)速(Su)反(Fan)应(Ying)(125mS), 慢(Man)速(Su)反(Fan)应(Ying)(1s) |
麦(Mai)克(Ke)风(Feng) | 1/2 英(Ying)寸(Cun)极(Ji)化(Hua)电(Dian)容(Rong)式(Shi)麦(Mai)克(Ke)风(Feng) |
校(Xiao)准(Zhun) | 在(Zai)1KHZ正(Zheng)弦(Xian)波(Bo),(?)94dB信(Xin)号(Hao)校(Xiao)准(Zhun) |
显(Xian)示(Shi) | 3-1/2位(Wei) 带(Dai)背(Bei)光(Guang)液(Ye)晶(Jing)显(Xian)示(Shi)屏(Ping) |
自(Zi)动(Dong)关(Guan)机(Ji) | 15分(Fen)钟(Zhong)无(Wu)任(Ren)何(He)操(Cao)作(Zuo)后(Hou) |
电(Dian)源(Yuan) | 一(Yi)个(Ge)9V电(Dian)池(Chi),((?)006P 或(Huo) IEC |
电(Dian)源(Yuan)寿(Shou)命(Ming) | 大(Da)约(Yue)50小(Xiao)时(Shi)(碱(Jian)性(Xing)电(Dian)池(Chi)) |
操(Cao)作(Zuo)环(Huan)境(Jing) | ((?)温(Wen)度(Du))(?)0~ |
存(Cun)储(Chu)环(Huan)境(Jing) | ((?)温(Wen)度(Du))(?)-10~6 |
尺(Chi)寸(Cun) | 210*55*(H)mm |
重(Zhong)量(Liang) | 230 g |
扫(Sao)一(Yi)扫(Sao) 微(Wei)信(Xin)咨(Zi)询(Xun)
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