Reagents for the photometric determination of calcium. Oxalate method.
All Product
Reagents for HI 755 Checker HC ®, 25 Tests
All Product
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
All Product
Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm
The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.
All Product
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
All Product
Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm
All Product
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
All Product
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
081-855-1842
02-541-4199
HI3831F CTK Chlorine Free 
ชุดเมมเบรน สำหรับวัดค่าไอออนแอมโมเนีย (HI4001-51) 
HI99300 EC / TDS / °C Meter to 3999 µS 
