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产品名称：DDY－2A快速定氮仪
产品介绍：
DDY-2A/2S is based on the Kjeldahi theory to determine the Nitrogen content of the soil and so on.DDY-2A/2S can be used in constant content analysis and half micro-content analysis of Nitrogen or protein in the cereal,forage,food or education,scientific researches.DDY-2A/2S is easy to operate and has high accuracy of measurement.DDY-2A/2S is suitable for the quantity per date.DDY-2A/2S is a kind of popular instruments used in determine the Nitrogen and protein.

产品特点：
l High measurement speed
l Save labor work
l Security,labor work and interface are alternate,applicable to large scale sample production,short operation period,accurate result.
Application:
Measure constant and semi-micro ntrogen and protein content in laboratory.

技术参数：
Sample quantity Solid max: 5g   liquid max: 15ml
Measuring range 1—160mgN （according to different Nitrogen content）
Distillation period 3～6 min/sample
Distillation capacity 10～15 sample/hour
Reproducibility Medium value relative inaccuracy＜±1 %（acid consumption ≥10ml）
Rate of recovery 100±1%
Added alkali number 5 ml～50 ml  (adjustable)
Work voltage AC220V/20A 50HZ
Machine power 3000W
Cooling water pressure ≥0.15Mpa
Cooling water temperature ＜15℃
Work temperature +10℃～+30℃
Outline size 790×340×410(mm)
Net weight 25kg

 
Technical parameter instruction:
Standard affiliate：
Digestion tube（L=290mm  ） 10 sets plastic enhanced tube
（diameter:10×2mm） 5 m
receiving bottle（250ml） 10 sets Special rubber head
（DDY-2A butyl rubber） 1
alkali box（5L） 1 set Protective tube（20A ） 5