$1502.00
SE
JINGQI WD9201B Portable Water Quality Tester
COD: 5 ~ 2000mg / L: 0.02 ~ 25mg / L
COD: 5~ 2000mg/L Ammonia nitrogen: 0.02~ 25mg/L, error of indication COD :≤ +/- 5% ammonia nitrogen :≤ +/- 3% and 0.2, Repeatability ≤ 3%, support saving 30 standard Linear dispersion and 199 measured values, equipped with USB port can be connected to the computer for data recording and printing.

$1316.00
SE
JINGQI WD9102B Portable Water Quality Tester, Total Phosphorus
total phosphorus0.02~10mg/L
Measurement range 0.02~ 10mg/L, error of indication ≤ +/- 5% FS or 0.2mg/L in the largest, Repeatability ≤ 3%, Cold Light source, narrow-band interference Optical inspection system, Optical inspection Stability, temperature PID automatic temperature control, timing.

If you don't know how to choose "STIP-scan", please consult customer service.