Adopt automatic nitrogen measurement distillation system, nitrogen measurement range 0.1-200 mgN, collection rate ≥ 99%, repeability rate ＜ +/- 1% relative to Standard Deviation, semi-automatic working mode, distillation time 5-15 minutes, suitable for a variety of sample analysis.
Contains 1 pack of total nitrogen base Reagent, 1 pack of potassium persulfate powder, 25 packs of anti-interference agent and 25 packs of acid Reagent, suitable for DGB-401 instrument, providing complete detection components.
Using LED @575nm Illuminant and Nessler Measuring method, Measurement range 0.00-3 ppm, accuracy +/- 0.03ppm, suitable for low concentration ammonia nitrogen rapid detection, easy and economical operation.
Measurement range pN value of 0.00~ 8.00, ammonia nitrogen concentration of 0.05~ 1000mg/L, with automatic mixing and thermostatic system, anti-sample Color, metal ions and turbidity interference, support a variety of reading methods.
Aluminum block Bathroom heat transfer uniformity, temperature control accuracy of +/- 0.5 ℃, 36 holes independent air needle channel can avoid cross-contamination, lifting stroke 200mm easy to operate, gas flow 0-15L/min adjustable.
Aluminum block Bathroom heat transfer uniform heating, temperature control accuracy +/- 0.5 ℃, gas flow rate 0-15L/min adjustable, blow pipe independent to avoid cross-contamination, to achieve rapid oxygen-free condensing.
No-load minimum temperature -20 ℃, cooling capacity 2500W, 304 stainless steel heat exchanger tube abrasion resistance, open Bath can chill down multiple devices at the same time, compact structure suitable for small spaces.
Fluorine-free environmental protection design, temperature control accuracy +/- 0.5 ℃, minimum temperature -20 ℃, equipped with stainless steel heat exchanger and magnetic front gear plate, compact structure can chill down multiple devices at the same time.
The aluminum block Bathroom is used for uniform heat transfer, rapid and accurate temperature control, temperature control accuracy of +/- 0.5 ° C, display accuracy of +/- 0.1 ° C, gas flow rate of 0~ 15L/min, blow pipe to avoid cross-contamination independently, lifting stroke of 200mm.
Measurement range 0.000~ 4.000mg/L, including Noll Reagent and potassium sodium tartrate solution, suitable for rapid detection of ammonia nitrogen in water quality, supporting special instruments.
Double needle automatic switching angle to improve condensing efficiency, support 1-8 bit Sample Handling, temperature control accuracy of +/- 0.5 ℃, with independent nitrogen channel and overheating protection to ensure safe and stable operation.
Using purge and trap technology, the temperature control accuracy can reach +/- 0.5 ℃, 12 samples can be processed simultaneously, and the nitrogen consumption can be adjusted at 330ml/min/sample to achieve rapid anaerobic condensation.
The design of top outlet air and front inlet air is used to improve the heat transfer effect, and the double pump and double temperature control are equipped to realize the independent cooling down of the main and auxiliary waterways, and support the pump pressure of 0.8 bar and the adjustment of the wide temperature range of 5~ 35 ℃.
Purge and trap technology implementation of rapid oxygen-free condensing, temperature control accuracy of +/- 0.5 ℃, support 36 samples at the same time, nitrogen consumption can be adjusted to 330ml/min/sample, digital temperature control to ensure accurate and reliable operation.
Can be weighed up and down, weighing range 2kg, minimum reading 0.01g, equipped with precision casting aluminum alloy hydrostatic frame corrosion resistance, automatic external weight calibrating.
