Photolithography

HANNA HI97733 Ammonia Photometer, up to 100.0 mg/L New equipment in its original packaging HI97733 c (more)omes with 2 measuring cuvettes, plastic stoppers and caps and batteries. Range: 1.0 to 100.0 mg/L (NH4+) Resolution: 0.1 mg/L Accuracy at 25°C: ±0.5 mg/L ±5% of reading Method: Adaptation of the “ASTM Manual of Water and Environmental Technology, D1426-92” method, Nessler method Light source: LED with 420 nm narrow bandwidth filter Light detector: Silicon photocell Batteries/Lifespan: 3 x 1.5 V AA / > 800 measurements without backlight On-demand storage: Up to 50 measurements for on-screen recall Auto-off: After 15 minutes of non-use / After 30 min of non-use before a measurement Dimensions/Weight: 142.5 x 102.5 x 50.5 mm / 380 g

Multiparameter photometer Hanna C99 with COD. It operates in three ranges: 0-150 mg / mL; 0-1500 mg  (more)/ mL and 0-15000 mg / mL. Specific ion analyzer programmed to analyze up to 39 parameters including COD. It has 4 tungsten lamps with narrow band interference filter 420/525/575/610 nm. Power supply with 2 9V batteries or 12V adapter (not supplied). Auto power off after 10 minutes of inactivity. RS232 port. User manual.