Brand：
$1689.00
SE
JINGQI WD9301B Portable Water Quality Tester
COD: 0 ~ 2000mg / L: 0.02 ~ 25mg / L: 0.00 ~ 10mg / L
COD: 0~2000mg/L Ammonia nitrogen: 0.02~ 25mg/L Total phosphorus: 0.00~10mg/L, supports saving 30 standard Linear dispersions and 199 measured values, and is equipped with a USB port to connect to a computer for data recording and printing.
$1678.00
SE
JINGQI WD9103B Portable Water Quality Tester, Total Nitrogen
total nitrogen0.05~100mg/L
Measurement range 0.05~ 100mg/L, error of indication ≤ +/- 5% or 0.2mg/L in the largest, Repeatability ≤ 3%, digestion instrument and measuring instrument separately, does not affect Measurement accuracy. Temperature PID automatic temperature control, timing.
If you don't know how to choose "STIP-scan", please consult customer service.