技术参数

规格

LED 调制范围: 2 kHz to 100 kHz （200 ?sec to 0.3 ?sec ）

标准参数: Luminescence phase shift, AC luminescence intensity, temperature （optional through external thermistors）, pressure （via on-board pressure transducer）
控制软件: Windows 2000/XP control software with data logging capability; controls include: modulation frequency, data rate, LED duty cycle, signal averaging, APD gain, analog gain, LED intensity
测量模式: Intermittent LED （to minimize photodegradation）; Continuous LED （for rapid measuring ａnd accelerating photo-bleaching）; Frequency sweep for luminescence characterization
热敏温度计探针: Closed end stainless steel tube with thermistor sensor mounted in tip; liquid immersible rugged design; 1/8?NPT fitting; temperature range 0 to 75 癈, absolute maximum 100 癈 +/- 0.2 癈; Interchangeable thermistors
分压测量: On-board pressure transducer monitors atmospheric pressure, optional configuration allows external connection for 0 to 15 psiA
电源: 6v - 12v, 1.5 Amps
通信: USB or RS-232

主要特点

多频相位荧光计MFPF对氧含量探测的应用特别有优势，这些应用对漂移很敏感，样本必须长时间地静置。这是因为它运用了相位交替技术，它不会因为光纤的弯曲、光的漂移而变化，它有很广的光强动态范围，同时，具备很小的光和电子的干扰以及很小的漂移和相位噪声的干扰。辅助的压力和温度传感器让多频相位荧光计成为设计、测试和校准发光探测传感器的理想选择。