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美国MOCON顶空分析仪(台式)
PAC CHECK 450 O2
PAC CHECK 550 CO2
PAC CHECK 650 O2/CO2
测试原理: 二氧化碳 当气体通过一个内置传感器时,利用红外能源,红外过滤器和温差电堆检波器来感应通过的气体。温差电堆是一个电压发生器,可以输出表明CO2水平的电信号。 氧气 氧气测量子系统的基础是一种固态的氧离子传导材料——锆氧化物。根据该材料的陶瓷点阵结构内的氧气空位,氧离子可以在一个升高的温度下进入固体材料里。这种特性可以测量未知组成的气体中的氧含量。 用途: 测试包装内氧气、二氧化碳、氧气和二氧化碳的混合气体的百分含量。 特点: 常规应用: 型号 450 550 650 样品量 5cc (automatic mode) 2 cc (manual mode) 5 cc (automatic mode) 2 cc (manual mode) 8 cc (automatic mode) 5 cc (mode) 精度 ±0.05% O2 - 0.1% to 9.99% ± 1%O2 - 10.0% to 100% Carbon Dioxide ± 2% of full scale ±0.05% O2 - 0.1% to 9.99% ±1% O2 - 10.0% to 100% Carbon Dioxide ±2% of full scale 测试范围 Oxygen –0 ppm to 100% Carbon Dioxide – 0% to 100% Oxygen – 0 ppm to 100% Carbon Dioxide – 0% to 100% 响应时间 98% of final value within 5 seconds 98% of final value within 5 seconds 98% of final value within 5 seconds 零点漂移 ± 0.5% of full scale per 24 hours at room air ± 0.5% of full scale per 24 hours at room air ± 0.5% of full scale per 24 hours at room air 预热时间 30 minutes 30 minutes 30 minutes 分辨率 Oxygen: 1 ppm in range 1 to 999 ppm .001% in range .100% to .999% 0.01% in range 1.00% to 9.99% 00.1% in range 10.0% to 99.9% Carbon Dioxide: 0.1% in range 0% to 99.9% Oxygen 1 ppm in range 1 to 999 ppm .001% in range .100% to .999% 0.01% in range 1.00% to 9.99% 00.1% in range 10.0% to 99.9% Carbon Dioxide 0.1% in range 0% to 99.9% 测试 方法 Oxygen Solid Carbon Dioxide NDIR (Non Dispersive Infrared) Oxygen Solid State Zirconium Oxide Carbon Dioxide NDIR (Non Dispersive Infrared) 取样方法 自动或手动 用注射器(选项) 注入样品 自动或手动 用注射器(选项)注入样品 自动或手动 用注射器(选项)注入样品 显示 三位,绿色 LED 三位,绿色LED 三位,绿色LED 尺寸、重量 20” x 18” x 13” dimensional weight 25 pounds 20” x 18” x 13” dimensional weight 25 pounds 20” x 18” x 13” dimensional weight 25 pounds 操作环境温度 5C to 40C (Factory certified at 23C±4C) 5C to 40C (Factory certified at 23C±4C) 5C to 40C (Factory certified at 23C±4C) 操作环境湿度 10 to 90% non-condensing 10 to 90% non-condensing 10 to 90% non-condensing 电压 120 VAV, 240 VAC (other voltages available) 120 VAV, 240 VAC (other voltages available) 120 VAV, 240 VAC (other voltages available) 电源频率 50/60 Hz 50/60 Hz 50/60 Hz