BIOS dry-cal dc-lite User Manual Download | Manualshive

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Bios International Corporation

10 Park Place

Butler, New Jersey, USA 07405

Phone

(973) 492 8400

Toll Free

(800) 663 4977

Fax

(973) 492 8270

Email

[email protected]

Web

www.drycal.com

© 2004

•

Bios International Corporation

MK01-1 Rev. D

DryCal

®

DC-Lite Manual

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Summary of Contents for dry-cal dc-lite

Page 1: ...rporation 10 Park Place Butler New Jersey USA 07405 Phone 973 492 8400 Toll Free 800 663 4977 Fax 973 492 8270 Email sales drycal com Web www drycal com 2004 Bios International Corporation MK01 1 Rev D DryCal DC Lite Manual ...

Page 2: ... 25 H x 5 W x 2 75 D 133 mm H x 127 mm W x 70 mm D Weight 42 oz 1200 g Flow Ranges Air Flow Accuracy Specifications based on averaged readings Lower limit is based on self tested maximum leakage Model Optimum Flow Range 1 Extended Flow Range L 10 ml min 500 ml min 1 ml min 500 ml min ML 50 ml min 2 L min 5 ml min 5 L min M 100 ml min 7 L min 10 ml min 12 L min MH 200 ml min 20 L min 20 ml min 20 L...

Page 3: ...ite at www drycal com for the most current product specifications For use with clean laboratory air or other inert non corrosive gasses only 4 0 General Description The DryCal DC Lite is a field portable primary flow calibrator used for industrial hygiene environmental and laboratory flow measurement applications Using patented near frictionless dry piston technology it combines the accuracy of a ...

Page 4: ... which implies a known volume yields the volumetric flow as q v t π r2 h t Where q volumetric flow rate v measurement volume t measurement time r radius h measurement path length This piston prover would be as accurate as its physical dimensions and its clock with almost insignificant drift mechanisms Although such idealized devices do not exist we believe the DryCal offers close to ideal performa...

Page 5: ...ts to test compatibility 7 6 3 Disabling Re Enabling the 5 Minute Auto Shutoff Feature 5 minute auto shutoff is the default setting for the DC Lite This feauture can be disabled if your application requires a longer standby time The 5 minute auto shutoff feature must be disabled each time the unit is powered on or reset Please note that the DC Lite s protective circuitry prevents the battery from ...

Page 6: ...be charged indefinitely using the AC wall adapter provided Although the DC Lite may be plugged into AC power if the battery is exceptionally weak the DC Lite may not function Please read all setup and charging instructions indicated in this manual before using equipment 9 Print Setup 1 Turn the DC Lite on before connecting the printer cable to avoid Nexus Control 2 Turn on the flow source and conn...

Page 7: ...p flow source and the DC Lite a standard MSHA approved respirable dust filter or equivalent should provide sufficient flow source isolation 11 7 1 Charging the Battery Before using your DryCal DC Lite be sure that the battery system has been fully charged to ensure that unit will perform without interruption Using the DC Lite with a low battery will not affect the product s accuracy but may affect...

Page 8: ...the display will read Test OK Press Read 7 Press the Read button and the internal valve will open allowing the piston to fall any remaining distance to the very bottom of the cell 8 Repeat this test with the leak test accessory connected to the outlet port lower port 13 8 3 Calibrating Rotameters When calibrating rotameters the DryCal DC Lite should be used as a transfer standard only Do not use t...

Page 9: ...et fitting depending on model ordered Older DC Lites sent to Bios for calibration will be retrofitted with these inlet filters free of charge However air containing cigarette smoke excessive dust or other particulates should be additionally pre filtered A particulate filter part AF 516 is available for this purpose The filter should be placed ahead of the DryCal in the flow stream on the inlet sid...

Page 10: ...ng instrument the device under test such as your DC Lite and the corresponding values of a standard In other words to calibrate is to check or determine the validity of a measuring instrument by comparison with a standard Calibration may also include adjustment to restore the device under test to its original specification although adjustment is not possible with a DryCal because of its primary na...

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