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Pressure/ Vacuum Transducer Module
Introduction
The PV350 Pressure/Vacuum Transducer Module (the module)
measures gauge pressure; the difference between atmospheric
(barometric) pressure and the pressure (or vacuum) applied to the
pressure port on the transducer. It then converts that measurement to 1
mV dc per unit. A module and a high-performance digital multimeter
(DMM) with min/max function become a datalogger capable of measuring
peak high and peak low.
Box Contents
Pressure/Vacuum Transducer Module
1/4 in. male flare to 1/4 in. female pipe thread connector
9 V battery
Instruction Sheet
Quick Reference Guide
Safety Information
To avoid eye injury, always wear approved safety glasses
when working with this instrument.
To avoid injury from pressure explosion:
Be sure that pressure is removed before
disconnecting any hoses or tubing from the PV350
transducer.
Follow accepted safety procedures for systems on
which pressure or vacuum measurements are made.
Make sure the PV350 is serviced by a qualified
technician.
Complies with safety standard EN/IEC 61010.
PN 926873 May 1992 Rev. 5, 1/07
© 1999-2007 Fluke Corporation, All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
WWarning
PV350
Instruction Sheet
®
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Summary of Contents for Fluke PV350
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Page 1: Box Contents
PV350 transducer. Follow accepted safety procedures for systems on which pressure or vacuum measurements are made. Make sure the PV350 is serviced by a qualified technician. Complies with safety standard EN/IEC 61010. PN 926873 May 1992 Rev. 5, 1/07 ©... - Page 2 PV350 and any hoses or fittings. Plug the PV350 into the DMM (red polarity dot to volts input) and set the multimeter to mV dc. Check the battery voltage (see Testing the Battery).
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Page 3: Testing The Battery
0.500 V). When measuring vacuum the DMM displays a minus sign. Testing the Battery Turn the DMM and the module OFF and connect the PV350 to the DMM. Turn the DMM on and set the DMM to the mV dc range. -
Page 4: Typical Applications
Battery Figure 2. Battery Replacement Turn the module OFF and unplug it from the DMM. Remove the screw from the back of the module, separate the case, and replace the battery. To reassemble, line up the holes in the case with the METRIC/ENGLISH switch and zero knob. - Page 5 Pascals = psi x (6.895 x 10 All H O conversion factors are @ 4°C Conversion Factors How to Calibrate the PV350 Calibrate the PV350 yearly to ensure that it meets its performance specifications. Table 1. Recommended Equipment Instrument Minimum Specification...
- Page 6 Remove the top cover of the module and connect it to the mV input of the DMM. Set the scale to measure 500 mV (0.1 mV resolution). Turn on the PV350 and allow it to warm up for two minutes. Set the PV350 to the psi range.
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Page 7: Specifications
Note To save time, verify each reading (psi, kPa, cm of Hg, and inches of Hg) before changing the pressure setting. Table 2. Readings in mV Setting psi* cm-Hg Inches-Hg (in psi) -0.1 to +0.1 -0.7 to +0.7 -0.5 to +0.5 -0.2 to +0.2 123.4 to126.6 346.2 to 353.8... -
Page 8: Operating Environment
Fitting, BR, SAE, 45, 1/4 FP 926873 PV350 Instruction Sheet 926881 PV350 Quick Reference Guide 927009 Replacement Cable Assembly To contact Fluke or for service, call one of the following telephone numbers: USA: 1-888-44-FLUKE (1-888-443-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402-675-200 Japan: +81-3-3434-0181 Singapore: +65-738-5655 Anywhere in the world: +1-425-446-5500 Or, visit Fluke's Web site at www.fluke.com.
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