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Brand: CRIFFER

Code: CR-4

Digital flow calibrator, also known as primary calibrator, used to adjust the flow of sampling pumps for the analysis of aerodispersoids, gases and vapors. The practicality alienated from the precision are factors that guarantee great results. The single button makes it easy to operate, portable and light, has an excellent resolution of 0.001 l / min in addition to the indication of temperature and atmospheric pressure at the time of calibration. Equipment developed to adjust the flow of sampling pumps in high or low flow, portable and light, with excellent resolution in addition to the indication of temperature and atmospheric pressure.

Includes:

1x CR-4

1x portable USB charger

1x USB cable CR-44

1x Damping chamber

1x Digital calibration certificate

1x CR-44 Filter for sampling pumps and flow calibrators

1x  FSP-37 PAD 37mm Filter Holder 1 (one) package with 100 (one hundred) units

1x  FE-600 37mm MCE Filter 1 (one) package with 100 (one hundred) units

1x FE-500 PVC Filter 37mm 1 (one) package of 100 (one hundred) units.

Full Specifications

CR-4 Calibrator for digital sampling pumps

Display: High-contrast backlit LCD screen

Flow scales:

Low flow rate: 0.001 to 0.500 l / min

High flow rate: 0.50 to 6,000 l / min

Accuracy: 2.0%

Temperature: 0 to 50 °C (Accuracy of 1 °C)

Resolution: 0.1 °C

Atmospheric pressure: 260 to 1260 hPa

Resolution: 1 hPa

Flow modes: Suction

Operating temperature: 0 to 50 °C

Operating humidity: 0 to 95%

Power: Li-ion battery

Battery life: 30h

Bivolt charger

Dimensions: 120 x 70 x 55mm

Weight: 147g

CR-44 external filter has the function of preserving the instrument’s components. It is used with the sampling pump (Accura-2) and digital calibrator (CR-4). The use of the filter is essential to prevent dirt and dust particles from causing internal damage, malfunction or irregular flow.

Dimensions: 60 x 22 x 22mm

Weight: 23g

FSP-37 37mm PAD mount Holder used in conjunction with membrane filters inside the filter holder (cassette), the function of the PAD holder is to prevent the filters from being damaged during the analysis of chemical agents. It is produced 100% in cellulose. 37mm PAD holder supplied with 100 units.

Diameter: 37mm

Weight: 49g

FE-600 37mm MCE Filter

Filter to control total and respirable dust. Mixed Cellulose Ester (MCE) applied for various NIOSH methods, 0.8 µm porosity, offers low fiber count interference. Used for air monitoring, particle monitoring, microbiological analysis, fluid analysis, contamination analysis. 37mm MCE filter supplied with 100 units.

Diameter: 37mm

Pores: 0.8 µm

Weight: 37g

FE-500 37mm PVC Filter Filter for monitoring metal fumes, silica and dust, the polyvinyl chloride (PVC) filter has low moisture absorption and is ideal for gravimetric analysis. Complies with NIOSH / OSHA methods. 37 mm PVC filter supplied with 100 units.

Diameter: 37mm

Pores: 5.0 µm

Weight: 37g