| general features & specifications | 一般功能和规格 | | ar-813 | ar-833 | ar-823 | | | measuring range | 1～100,000lux | 0.01～50,000lux | 1～100,000lux | | | 测量范围 | | | accuracy | <4%rgd±0.5%f.s | <3%rgd±0.5%f.s | <3%rgd±0.5%f.s | | | 测量精确度 | | | unit se-lection | lux | lux | lux/fc | | | 单位转换 | | | measure level seletion | auto | auto | auto/manual | | | 测量档位选择 | | | data hold function | √ | √ | √ | | | 数据保持显示功能 | | | auto power shut off | √ | √ | √ | | | 自动关机功能 | | | low battery indication | √ | √ | √ | | | 低电显示功能 | | | lcd back light se-lection | _______ | _____ | √ | | | 背光显示选择功能 | | | repeatability | ±2% | ±2% | ±2% | | | 重复性 | | | the change as temperature change | 0.1%/℃ | 0.1%/℃ | 0.1%/℃ | | | 温度特性 | | | samping frequency | 1.5times/sec | 1.5times/sec | 1.5times/sec | | | 取样率 | | | resolution | 1lux | 0.01～1lux | 1lux | | | 解析度 | | | response time | 1s | 1s | 1s | | | 响应时间 | | | over level indication | √ | √ | √ | | | 过载提示 | | | max and minreading hold function | ____ | ____ | √ | | | Z大、Z小值锁定功能 | |
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| general characteristics | 一般特征 | | power | 9v battery | 9v battery | 9v battery | | 供电 | 9v电池 | 9v电池 | 9v电池 | | lcd size | 48＊31.8mm | 48＊31.8mm | 59.0＊51.0mm | | lcd尺寸 | | product color | dark gray+black | balck+yellow | dark gray | | 产品颜色 | 深灰+黑 | 黑+黄 | 深灰 | | product net weight | 116.5g | 116.5g | 209.0g | | 产品净重 | | product size | 166.2＊64.0＊30.5mm | 166.2＊64.0＊30.5mm | 151＊83＊26.5mm | | 产品尺寸 |
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| packing information | 包装 | | 包装方式1(中国) | 彩盒 | 彩盒 | 彩盒 | | 标准外箱容量 | 40 | 40 | 40 | | 标准外箱尺寸 | 45.5＊44.8＊40.5cm | 45.5＊44.8＊40.5cm | 55.0＊45.0＊32.5cm | | 标准外箱毛重 | 9.85kg | 9.85kg | 14.7kg | | 包装方式2(other countries) | blister | blister | blister | | standard quantity per carton | 40 | 40 | 40 | | standard carton size | 36.8＊36.8＊25.7cm | 36.8＊36.8＊25.7cm | 37.1＊36.5＊28.0cm | | standard carton gross weight | 11.84kg | 11.84kg | 6.48kg |
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