具有三種型號(hào): gpr 12-70普通型,gpr 12-70x高精度型,gpr 53x制糖工業(yè)用高精度型. gpr 12-70和gpr 12-70x系列 該系列是通用型號(hào),折光率測(cè)試和溫度控制范圍寬,適合用于香精油,原油和食用油工業(yè).也適用于測(cè)量糖,果汁,飲料,溶劑,厚糊狀藥品,塑料和其它需要控制折光率或者濃度的產(chǎn)品.而且,儀器有升級(jí)的軟件,測(cè)量到70°c,儀器使用合成藍(lán)寶石棱鏡和長(zhǎng)壽命的led光源,寬度不超過(guò)24厘米寬,防水結(jié)構(gòu)設(shè)計(jì),方便清潔,有便攜的特點(diǎn)和附件. gpr 53x和gpr53xp型號(hào) gpr 53x的折光率精度達(dá)到小數(shù)點(diǎn)后五位,錘度是后兩位.該型號(hào)是全錘度范圍,適合制糖工業(yè)要求(0—95%). gpr 53xp可以與oa公司旋光儀一切使用測(cè)量糖外觀純度. 技術(shù)規(guī)格　 　 　 　型號(hào) gpr12-70 gpr53x gpr12-70x 標(biāo)尺刻度 觸摸式按鈕選擇折光率(ri)蔗糖質(zhì)量分?jǐn)?shù)（錘度brix）溫度修正錘度brix, 10個(gè) 用戶自編程標(biāo)尺刻度或者用戶自編程溫度修正ri標(biāo)尺刻度 折光率(ri)蔗糖質(zhì)量分?jǐn)?shù)（錘度brix），溫度修正錘度brix, 10個(gè) 用戶自編程標(biāo)尺刻度或者用戶自編程溫度修正ri標(biāo)尺刻度 觸摸式按鈕選擇折光率(ri)蔗糖質(zhì)量分?jǐn)?shù)（錘度brix）， 溫度修正錘度brix, 10個(gè) 用戶自編程標(biāo)尺刻度或者用戶自編程溫度修正ri標(biāo)尺刻度范圍: ri 1.32 — 1.68, brix 0 — 100% ri 1.33 — 1.53, brix 0 — 95% ri 1.32 — 1.68, brix 0 — 100% 可讀性: ri 0.00001, brix 0.01% ri 0.00001, brix 0.01% ri 0.00001, brix 0.01% 精度: ri ± 0.0001 brix ± 0.1% ri ± 0.00003@1.33, brix ± 0.02@0% ri ± 0.00005, 1.33 — 1.45; ± 0.0001, 1.45 — 1.68± 0.05 brix, 0 — 65%; ± 0.1 brix, 65 — 100% 波長(zhǎng): 589nm 589nm 589nm 反應(yīng)時(shí)間: 大約 2秒 大約1秒, 視分辨率而定 2 — 6秒, 視分辨率而定

wavelength	589 nm
operating modes	continuous up-date or single scan with user programmable delay time or single scan with automatic detection of reading stability
display	illuminated alphanumeric, 2 lines of 24 characters high contrast lcd with contrast control
light source	l.e.d.
prism material	synthetic sapphire
temperature	displayed continuously to 0.1°c with sample reading calibrated to ±0.1°c at 20°c; worst case deviation in absolute accuracy over entire range 0.5°c
thermostatic control	by use of circulating fluid, temperature range 5°c to 70°c
controls	set zero, print, numeric keyboard for programming functions
outputs/inputs	2 x rs232,  1 x remote
power requirements	86~265v ac, 47~63hz, less than 7 watts
dimensions and weight	refractometer: w 235 x d 260 x h 255 mm;  8kg power supply: w x 80 x d 160 x h 55 mm;  0.5kg
packed weight	12kg (dimensions of pack 50 x 40 x 35 cm)