www.element14.comwww.farnell.comwww.newark.comwww.cpc.co.uk
TM
Page <1>
V1.0
12/04/18
User Manual
Part Number: ST-8920
Pressure & Flow Meter
Page 1: ...www element14 com www farnell com www newark com www cpc co uk TM TM Page 1 V1 0 12 04 18 User Manual Part Number ST 8920 Pressure Flow Meter ...
Page 2: ...imension units Setting 6 5 5 Duct Shape and Parameters Setting 7 5 6 Choose Duct Shape 7 5 7 Parameters Setting 7 5 8 Auto Power Off Mode 8 5 9 Menu Setting 8 5 10 Ciear Memory Setting 9 5 11 Measuring Pressure 9 5 12 Measuring Velocity 10 5 13 Measuring Flow 10 5 14 Displaying Temperature 11 5 15 Holding the Displayed Readings 11 5 16 Viewing the MIN MAX and AVG Readings 11 5 17 Saving Samples 11...
Page 3: ... Specifications 2 1 General Specifications 2 2 Manometer specification 1 psi 27 68 inH20 1 psi 68 947 mbar 1 psi 703 072 1 mmH20 1 psi 6894 6 Pa FSO Full Scale Output Operating Conditions 0 C to 50 C Storage Conditions 10 C to 60 C Power Supply 1 9V Battery Low Battery Indicator Yes Dimensions 203mm 75mm 50mm Relative Humidity Non condensing 10 C 90 RH 10 C to 30 C 75 RH 30 C to 40 C 45 RH 40 C to...
Page 4: ...klight Press Setup button for 3 seconds to start or exit Setup See Changing Setup Options 7 Press Unit to changes the temperature units In Setup mode press Unit to scroll to the Setup option you want to change or press Unit to increase the displayed setting In Recall mode press Unit to select the desired sample number 8 Press Unit to Changes secondly showing number units In Setup mode press Unit t...
Page 5: ...ces 9 Low battery indicator Replace the battery as soon as the low battery indicator appears 10 Data Hold indicator 11 The units of H W or D 12 Entering or exiting setup mode 13 Indicates that a stored sample or all samples is about to be deleted from memory 14 The sample memory is being accessed and the number of samples 15 Annunciators showing that sample memory is being accessed 16 REC MAX MIN ...
Page 6: ...e that you want to change this setting Press Unit or Unit until the setting you want to use appears on the display Press Avg Rec to store the new setting in memory Notes Setup is disabled in MIN MAX AVG mode 5 4 Duct dimension units Setting When the meter is in Setup mode Press Unit or Unit to scroll to the duct Dimension units setup option Press Avg Rec button It shows in or em on the display Pre...
Page 7: ...Rec to store the new setting in memory and enter parameters setup option 5 7 Parameters Setting If duct is rectangle the height of duct numbers and H will be first shown in the primary show Press Unit or Unit button to select the decimal point Press save Clear to change the station of flashing digit and press Unit or to Unit change the flashing digit from 0 to 9 Pres Avg Rec button the width of du...
Page 8: ...o indicate On or OFF Press Unit or Unit until the setting you want to use appears on the display Press Avg Rec to store the new setting in memory On sleep mode on or OFF sleep mode off 5 9 Menu Setting When the meter is in Setup mode Press Unit or Unit to scroll to the Mode Menu setup option Press Unit or Unit to scroll to the setup option you want to change There are three choices for selecting 1...
Page 9: ...memory 5 11 Measuring Pressure The Primary Display number is Pressure value the device measures Gauge Differential Pressure 5000Pa it features 5 selectable units of measure PSI mbar Pa in H20 mmH20 Press P V F to enter the pressure mode and press Unit to select unit Connect a single hose to the Input port leaving the Ref port unconnected With the tubing open to ambient conditions press and hold Ho...
Page 10: ... of the pitot tube The tubing open to ambient conditions press and hold Hold Zero for 2 seconds to zero out the display When make the measurement the pitot tube tip should against the measured wind as shown in upper figure and ensure that the axis of the duct is aligned with the fluid flow for 10 If Measure Velocity measures negative and show Error on the display check to make sure that the hoses ...
Page 11: ...re samples cannot be stored If the user attempts to store another sample the Meter shows FU and does not save new readings 5 18 Recall and Clearing Sample Data The Meter stores data that sometime will need to be recall and periodically to be cleared Individual samples or the entire data memory can be cleared When the memory is full 99 samples it shows FU Full on the display when Save Clear is pres...
Page 12: ...ion with the products to which it relates No licence of any intellectual property rights is granted The Information is subject to change without notice and replaces all data sheets previously supplied The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness any error in or omission from it or for any use made of it Users of this d...
