... to agriculture (soil, fertilizer, tobacoo), industry (cement, glass, ceramics, mineral or ore powder, fireproof material), food (wine, water), laboratory, clinical experiments ... point calibration & calibration curve can be saved.² RS232 interface, external computer or printer. With a mist separator.Technical Specifications: ModelAP1500AP1401AP1402AP1301AP1302AP1200MeasurementRangeK: 0-100ppm ...