RKI FP-40 HCHO - Formaldehyde Detector W/ Case

RKI FP-40 HCHO Detector and case in good physical condition with very minor wear (see pictures). Detector powers on and seems to function as intended. ALL QUESTIONS AND OFFERS WELCOME #'s on Detector: FP-40 serial: 7Y2050188RN (matches) 0711 Manufacture description: This highly sensitive portable gas detector uses photoelectric photometry method with colorimetric detection tab. The sample drawing rate is controlled by a microprocessor. The FP-40 have a direct readout of measurement value on an LCD display. Features Simple operation Specific to Formaldehyde Built-in sample draw pump Easy to read LCD display Self-diagnosis Uses photoelectric photometry technology Direct digital readout Colorimetric detection tablet method No false readings from interfering gases Operates on 4 AA alkalines Stores 99 readings No warm up time