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CheckitDirect Photometer
The CheckitDirect models each offer one test method, while the CheckitDirect+ units are programmed for a number of different parameters. The units supply accurate, reproducible results very quickly. Other major advantages include ase of operation, ergonomic design, compact dimensions and safe handling. The calibration and software-based adjustment options mean that the CheckitDirect is also suitable for use as a testing instrument. The tests are conducted using either Lovibond® tablet reagents with long-term stability and a guaranteed minimum 5 or 10 year shelf life, VARIO powder reagents or using liquid reagents.

Technical data
Power:9 V powerpack battery supply providing 40 hours operation
Optics: temperature-compensated LEDs and photosensor amplifier in water proof sample chamber
Auto – OFF: automatic switch-off
Display: backlit LCD (on keypress)
Storage: internal ring memory for 16 data sets
Additional feature: real time clock and date
Calibration: factory calibration and user calibration. Reset to factory calibration possible
Dimensions: 190 x 110 x 55 mm (L x W x H), Weight 0.4 kg (base unit)
Environmental Temperature: 0 – 40 °C, conditions rel. humidity: 30 –90% (non condensing)
CE-: DIN EN 50081-1, VDE 0839 part 81-1: 1993-03, DIN EN 50082-2, VDE 0839 part 82-2: 1996-02

N.I.S.T Traceability
The instruments have a factory calibration, which is related to internal standards which are not N.I.S.T traceable. The instrument may be calibrated by the user in a “user calibration mode” with N.I.S.T traceable standards.

Calibration certificate
Beside the “Certificate of Compliance” which is supplied with each CheckitDirect, calibration certificates are available at cost on request. Calibration certificates are individually supplied per instrument and per method. The Calibration Certificate has to be ordered together with the new instrument and cannot be delivered at a later stage.

Delivery Content
Each CheckitDirect is supplied in a case complete with 9 V battery, 3 round vials with cap, tablets and/or liquid reagents or VARIO Powder Packs, accessories, instruction manual, guarantee sheet and a certificate of compliance.