93pr技術(shù)資料

電器特性(electrical)
標(biāo)稱阻值范圍(standard resistance range, ohms)..................20 to2meg
標(biāo)準(zhǔn)電阻誤差(standard resistancetolerance)...................±10%(<100 ohms = ±20%)
Zui大輸入電壓(input voltage, maximum).........................200 vdc orrms not to exceed power rating
Zui大滑動(dòng)器電流（slider current, maximum）.....................100ma orwithin rated power, whichever is less
額定功率(power rating, watts)..................................1.0 at70°c, derating to 0 at 125°c
Zui大零位阻值(end resistance, maximum).............................2ohms
表面實(shí)際電氣機(jī)械行程(actual electrical travel,turns,nominal)...........270°
絕緣強(qiáng)度(dielectricstrength).....................................900vrms
Zui小絕緣電阻(insulation resistance, minimum)...................1,000megohms
分辨率(resolution).............................................本質(zhì)上無(wú)限(essentiallyinfinite)
Zui大接觸電阻變化(contact resistance variation, maximum)..........1% or 1ohms, whichever is greater

環(huán)境特性:(environmental)
seal ..........................................................85°cfluorinert (no leaks)
電阻溫度系數(shù)(temperature coefficient, maximum)...............±100ppm/°c
工作溫度范圍(operating temperature range) .................–55°c to+125°c
熱沖擊(thermal shock ).....................................5 cycles,–55°c to +125°c (1% δrt, 1% δvr)
抗潮性(moisture resistance) ..............................ten 24 hourcycles (1% δrt, ir 100 megohms min.)
沖擊測(cè)量(shock, 6ms sawtooth) .............................100g’s (1%δrt, 1% δvr)
振動(dòng)測(cè)量(vibration) ....................................20g’s, 10 to2,000 hz (1% δrt, 1% δvr)
Zui高溫度(high temperature exposure) ..................250 hours at125°c (2% δrt, 2% δvr)
旋轉(zhuǎn)壽命(rotational life) ............................200 cycles (3%δrt)
負(fù)荷壽命(load life at 0.5 watts) ....................1,000 hours at70°c (2% δrt)
承受焊接高溫(resistance to solder heat) .....................260°c for 10sec. (1% δrt)

機(jī)械原理:(mechanical)
機(jī)械制動(dòng)(mechanical stop)................................24 oz.-in.
stop strength........................................... 1.5lb.-in. (0.169 n-m)
開(kāi)動(dòng)后Zui大扭轉(zhuǎn)力（torque, starting maximum).............5 oz.-in. (0.035n-m)
名義重量(weight, nominal) .。。。。。。。。。。。。。  .05 oz. (1.5 grams)

本產(chǎn)品的加工定制是是，品牌是BI，型號(hào)是93PR20K，種類是多圈，用途是微調(diào)，材料是玻璃釉膜，性能是微調(diào)，阻值調(diào)節(jié)方式是旋轉(zhuǎn)式，阻值變化方式是X式（直線式），標(biāo)稱阻值是20K歐，額定功率是1（W），阻值允許偏差是±10（%），滑動(dòng)噪聲是5（V），分辨率是1（%），零位電阻是2（Ω），接觸電阻是2（Ω），絕緣電阻是1（MΩ），符合度是0，溫度系數(shù)是±100ppm/°C