Features: 1. Fully automatic operation, manual or automatic calibration and cleaning at selected intervals and time (1-7 days) 2. The instrument has a low maintenance rate, the maintenance interval is more than 1 month, and each maintenance is about 1 hour. 3. The instrument can store 20,000 pieces of data, which will not be lost when power off, and automatically overwrite the earliest data when it is full. 4. The measurement period of the instrument is 55 minutes, and the time is adjustable to meet different time measurement needs 5. Using TFT true color touch screen, 7-inch large screen, 70,000 colors, 800*480 resolution, the working status of the instrument is clear at a glance Technical parameter: Measurement method: distillation, 4-aminoantipyrine colorimetric method Test range: (0~1) mg/l, (0~2) mg/l, (0~6) mg/l, (0~25) mg/l four ranges automatically switch Lower detection limit: 0.01mg/l Resolution: <0.001mg/L Measurement accuracy: standard solution <5%; water sample <10% Repeatability: <5% Measurement period: 50min, can be set Barrier-free running time: ≥720h/time Range drift: ±5%F.S. Sampling interval: continuous, 1 hour, 2 hours...24 hours, trigger, specified time point Signal output: 4~20mA (20mA corresponding range is adjustable); RS485, RS232 optional
Features: 1. Fully automatic operation, manual or automatic calibration and cleaning at selected intervals and time (1-7 days) 2. The instrument has a low maintenance rate, the maintenance interval is more than 1 month, and each maintenance is about 1 hour. 3. The instrument can store 20,000 pieces of data, which will not be lost when power off, and automatically overwrite the earliest data when it is full. 4. The measurement period of the instrument is 55 minutes, and the time is adjustable to meet different time measurement needs 5. Using TFT true color touch screen, 7-inch large screen, 70,000 colors, 800*480 resolution, the working status of the instrument is clear at a glance