Omega HHM22 User Manual Download

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OMEGA

HHM22

Digital Multimeter

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Summary of Contents for HHM22

Page 1: ...OMEGA HHM22 Digital Multimeter ...

Page 2: ...ll Free in Germany 0800 82 66342 e mail nl omega com e mail germany omega com Czech Republic United Kingdom ISO 9002 Certified ul Rude armady 1868 733 01 Karvina One Omega Drive Hranice Czech Repubic Riverbend Technology Centre Northbank Irlam Tel 420 69 6311627 FAX 420 69 6311114 Manchester M44 5EX England e mail czech omega com Tel 44 161 777 6611 FAX 44 161 777 6622 France 9 rue Denis Papin 781...

Page 3: ...across a high voltage high energy power source when the meter is set up for mA measurement may be very hazardous 3 Turn off power to the circuit under test before cutting unsoldering or breaking the circuit Small amounts of current can be dangerous 4 Use caution when working above 60V dc or 30V ac rms Such voltages pose a shock hazard 5 When Using the probes keep your fingers behind the finger gua...

Page 4: ...ent rate 2 times per second nominal Operating Environment 0 C to 40 C at 70 relative humidity Storage Temperature 20 C to 60 C at 80 relative humidity Accuracy Stated accuracy at 23 C 5 C 75 relative humidity Safety According to EN61010 1 protection class II overvoltage category CAT II 600V pollution degree 2 Power single standard 9 volt battery Battery life 200 hours typical Dimensions 192mm H x ...

Page 5: ...V 32V 320V 600V 3 2V only 50Hz 60Hz Resolution 1mV Accuracy 1 0 rdg 4dgts on 3 2V to 320V ranges 2 0 rdg 4dgts on 600V range Input impedance 10MW Overload protection 600VDC or AC rms DC CURRENT Ranges 320µA 3 2mA 32mA 320mA 10A Accuracy 0 5 rdg 1dgt on µA mA ranges 3 0 rdg 1dgt on 10A range Input protection 0 5A 250V fast blow ceramic fuse 10A 600V fast blow ceramic fuse ...

Page 6: ...ts on 320W range 0 3 rdg 1dgt on 3 2KW to 320KW ranges 1 2 rdg 1dgt on 3 2MW range 3 0 rdg 4dgts on 32MW range Open circuit volts 1 26Vdc Overload protection 500VDC or AC rms Effect Reading 100 3200 CONTINUITY Audible indication less than 20W 5W Open circuit volts 1 26Vdc Overload protection 500VDC or AC rms Effect Reading 100 3200 DIODE TEST Test current 1 0mA 0 6mA Accuracy 3 0 rdg 3dgts Open ci...

Page 7: ...5 CAPACITANCE Ranges 3 2nF 32nF 320nF 3 2µF 32µF Accuracy 3 0 rdg 10dgts Test volts 50mV 50Hz TRANSISTOR hFE Ranges 0 1000 Base current 10µAdc approx Vce 3 0Vdc ...

Page 8: ... meter defaults to autorange when you turn it on In autorange the meter selects the range automatically Manually Selecting a Range Press RANGE button to hold the selected range Subsequently pressing the RANGE button will select each range in sequence from the lowest to highest range Hold the button for 2 seconds to return to the Autorange Mode Press this switch to toggle between the continuity dio...

Page 9: ...ect the red test lead to the µAmA jack and the black test lead to the COM jack 2 Set the Function switch to the desired voltage type DCA or ACA position 3 For current measurements less than 320mA connect the red test lead to the µAmA jack and the black test lead to the COM jack 4 For current measurements of 320mA or greater connect the red test lead to the 10A jack and the black test lead to the C...

Page 10: ... test External voltage across the components causes invalid readings 3 To toggle between the continity diode modes press Range Switch 4 Touch probes to the diode A forward voltage drop is about 0 6V typical for a silicon diode 5 Reverse probes If the diode is good OL is displayed If the diode is shorted a value near 0mV will be displayed 6 If the diode is open OL is displayed in both directions 7 ...

Page 11: ...et the Function Range switch to the desired capacitance range 2 Never apply an external voltage to the sockets Damage to the meter may result 3 Insert the capacitor leads directly into the socket 4 Read the capacitance directly from the display Transistor Gain Measurements 1 Set the Function Range switch to the desired hFE range PNP or NPN type transistor 2 Never apply an external voltage to the h...

Page 12: ...the battery from battery contacts Fuse Replacement If no current measurements are possible check for a blown overload protec tion fuse There are two fuses F1 for the mA jack and F2 for the 10A jack For access to fuses remove the four screws from the back of the meter and lift off the battery cover and case Replace F1 only with the original type 0 5A 250V fast acting ceramic fuse Replace F2 only wi...

Page 13: ...ity or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on...

Page 14: ...ne Paddlewheel Systems þ Totalizers Batch Controllers pH CONDUCTIVITY þ pH Electrodes Testers Accessories þ Benchtop Laboratory Meters þ Controllers Calibrators Simulators Pumps þ Industrial pH Conductivity Equipment DATA ACQUISITION þ Data Acquisition Engineering Software þ Communications Based Acquisition Systems þ Plug in Cards for Apple IBM Compatibles þ Datalogging Systems þ Recorders Printer...

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