Calibration checking set for Checker®HC HI 764 Nitrite Ultra Low Range.
(0 and 100 ppb nitrite)
Subtotal: ฿86,729.92
฿802.50
Calibration standard for HI 764 Checker HC
Out of stock
Calibration checking set for Checker®HC HI 764 Nitrite Ultra Low Range.
(0 and 100 ppb nitrite)
Portable
Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
All Product
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm
Reagents for HI 755 Checker HC ®, 25 Tests
All Product
Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution
The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.
All Product
Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm