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Main -> Special analysis -> Water, environment -> COD determination
COD AL250 COD vario Setup, AQUALYTIC

The AQUALYTIC® COD vario test setup allows precise water testing with minimum effort. After adding the sample to a AQUALYTIC® COD vario tube test (LR, MR according to ISO 15705:2003-01) it is heated in the thermoreactor AL125 and then analyzed photometric.

The COD- Setup comprises the AL250 COD vario photometer, 25 tube tests for the measuring ranges 0-150 und 0-1500 mg/l O2, a thermoreactor AL125 for sample digestion, and a vial stand.

AQUALYTIC® AL250 COD vario Setup
ArticleOrder No.
(1)AQUALYTIC® COD measuring station AL250 COD vario80 77 09240

Complete with photometer, reactor AL125, 2 boxes of
25 vials each 0-150 mg/l + 0-1500 mg/l and vial stand


AQUALYTIC® AL250 COD vario photometer

With 3 measuring ranges from 0 bis 15000 mg/l O2, the AQUALYTIC® AL250 COD vario photometer is suitable for waste water testing. Tow LEDs light sources with long-term stability, a waterproof sample chamber, a large digital display, and the user-friendly keypad ensure maximum operating reliability and convenience.

 

Technical data:

Meas. cycle:

approx. 3 seconds

Optics:

temperature-compensated LEDs (λ1= 605 nm, λ2 = 430 nm),
and photo-sensor amplifier in waterproof sample chamber

Power supply:

9V power pack battery providing 40 hours operating

Auto - OFF:

automatic switch-off approx. 5 minutes after last key press

Ranges:

0 – 150 mg/l O2 ±3.5 %*
0 – 1500 mg/l O2 ±3.5 %*
0 – 15000 mg/l O2 ±3.5 %*
*based on potassium-hydrogen phthalate standards (DIN 38409)

Test instrument suitability:

Calibration and software based adjustment options.

CE-conformity:

DIN EN 50081-1 - VDE 0839 part 81-1:1993-03
DIN EN 50082-2 - VDE 0839 part 82-2:1996-02


ArticleOrder No.
(2)AQUALYTIC® photometer AL250 COD vario80 77 09250

(photometer in case)


AQUALYTIC® Ther­more­ac­tor AL125 for the di­ges­tion of tube tests

Use the membrane keyboard to set the temperature and choose the reaction time. The reactor comprises three temperature ranges (100 / 120 / 150 °C) and three pre-programmed reaction times (30 / 60 / 120 min.). After completion of the digestion, the reactor switches off automatically, indicated by an acoustic alarm and an LED signal.

The reactor AL125 has 24 holes to receive 16 mm round tubes.

ArticleOrder No.
(3)Thermo reactor AL12580 77 18931


AQUALYTIC® COD cuvette tests COD vario

  • ST-COD sealed tubes ready for use
  • Suppression of chloride interference up to 1000 mg/l
  • 3 measuring ranges 0 – 15000 mg/l O2
  • Low price
ArticleMeasuring range
mg/l O2		Order No.
AQUALYTIC® COD cuvette test0 – 15080 77 20720
AQUALYTIC® COD cuvette test0 – 150080 77 20721
AQUALYTIC® COD cuvette test0 – 1500080 77 20722



Pack of 25 vials