Brand：
$1492.00
SE
JINGQI WD9201P COD Ammonia Nitrogen Tester with Printing
COD: 5 ~ 2000mg / L: 0.02 ~ 25mg / L
$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.
If you don't know how to choose "STIP-scan", please consult customer service.