Extech GX900 - Manuals

Extech   Instruments   5 GX900-EU-EN V1.6 4/14   ZOOMING   ON   TREND   DATA   ...................................................................   32   METER   SETUP   OPTIONS   .........................................................................   32   RESET   THE   METER   SETUP   OPTIONS  ...

Extech   Instruments   6 GX900-EU-EN V1.6 4/14     SAFETY     INTERNATIONAL   SAFETY   SYMBOLS   This   symbol,   adjacent   to   another   symbol   or   terminal,   indicates   the   user   must   refer   to   the   manual   for   further   information.     This   symbol,   adjacent   to   a   term...

Extech   Instruments   7 GX900-EU-EN V1.6 4/14   CAUTIONS    Improper   use   of   this   meter   can   cause   damage,   shock,   injury   or   death.   Read   and   understand   this   user   manual   before   operating   the   meter.    Always   remove   the   test   leads   before   replacing ...

Extech   Instruments   9 GX900-EU-EN V1.6 4/14   FCC   COMPLIANCE   This   device   complies   with   part   15   of   the   FCC   Rules.   Operation   is   subject   to   the   following   two   conditions:     1.   This   device   may   not   cause   harmful   interference.   2.   This   device   ...

Extech   Instruments   10 GX900-EU-EN V1.6 4/14   DESCRIPTIONS   METER   DESCRIPTION   1. LCD   display   2. Sub ‐ function   keys   F1,   F2,   F3,   and   F4   3. Data   HOLD   button   4. MAX ‐ MIN   memory   button   5. Rotary   Primary   Function   Select   Switch   6. Input   jack   for   Ampe...

Extech   Instruments   11 GX900-EU-EN V1.6 4/14   KEYPAD   DESCRIPTION   The   meter’s   12   push ‐ button   keypad   activates   features,   augments   functions   selected   by   the   rotary   switch,   and   allows   the   navigation   of   the   displayed   menu   structure     F1 ‐ F2 ‐ F3 ‐ ...

Extech   Instruments   12 GX900-EU-EN V1.6 4/14   LCD   DISPLAY   DESCRIPTION   1. Soft   key   labels   indicate   the   function   of   the   button   just   below   the   displayed   label.   2. Bar   graph   Analog   display   for   the   input   signal   (See   the   "Bar   Graph"   sec...

Extech   Instruments   13 GX900-EU-EN V1.6 4/14   QUICK   START   GUIDE   Step   One:   Ensure   that   batteries   are   installed   and   are   fresh     Step   Two:   Carefully   read   the   Safety   section   of   this   Instruction   Manual       Step   Three:   Check   the   Table   of   Cont...

Extech   Instruments   14 GX900-EU-EN V1.6 4/14   MEASUREMENTS   WARNING :   Risk   of   electrocution.   High ‐ voltage   circuits,   both   AC   and   DC,   are   very   dangerous   and   should   be   measured   with   great   care.   1. ALWAYS   turn   the   function   switch   to   the   OFF   ...

Extech   Instruments   15 GX900-EU-EN V1.6 4/14   AC   VOLTAGE   MEASUREMENTS   WARNING:     Risk   of   Electrocution.   The   probe   tips   may   not   be   long   enough   to   contact   the   live   parts   inside   some   240V   outlets   for   appliances   because   the   contacts   are   rec...

Extech   Instruments   16 GX900-EU-EN V1.6 4/14   LOW   PASS   FILTER   FOR   ACV   MEASUREMENTS   The   meter   is   equipped   with   a   Low   Pass   Filter   for   AC   measurements.   To   activate   the   filter   please   follow   the   steps   below:   1. Set   the   rotary   switch   to   t...

Extech   Instruments   17 GX900-EU-EN V1.6 4/14   CURRENT   CLAMP   MEASUREMENTS   1. This   meter   offers   remote   current   clamp   measurement   functionality.   2. Set   the   rotary   switch   to   the   mV   position.   3. Press   the   F1   key   (MENU),   move   the   menu   selector   to...

Extech   Instruments   20 GX900-EU-EN V1.6 4/14   RESISTANCE   MEASUREMENTS   WARNING:   To   avoid   electric   shock,   disconnect   power   to   the   unit   under   test   and   discharge   all   capacitors   before   taking   any   resistance   measurements.   Remove   the   batteries   and   u...

Extech   Instruments   21 GX900-EU-EN V1.6 4/14   CONTINUITY   CHECK   WARNING:   To   avoid   electric   shock,   never   measure   continuity   on   circuits   or   wires   that   have   voltage   on   them.   1. Set   the   function   switch   to   the      Ω   CAP   position.   2. Press   the   ...

Extech   Instruments   22 GX900-EU-EN V1.6 4/14   TEMPERATURE   MEASUREMENTS   1. Set   the   function   switch   to   the   TEMP   position.     2. Press   the   F1   key   (MENU),   move   the   menu   selector   to   the   item   labeled   TEMP,   and   then   press   the   OK   key   3. Move   t...

Extech   Instruments   23 GX900-EU-EN V1.6 4/14   CAPACITANCE   MEASUREMENTS   WARNING:   To   avoid   electric   shock,   disconnect   power   to   the   unit   under   test   and   discharge   all   capacitors   before   taking   any   capacitance   measurements.   Remove   the   batteries   and  ...

Extech   Instruments   24 GX900-EU-EN V1.6 4/14   RPM   MEASUREMENTS   1. Set   the   rotary   function   switch   to   the   RPM   position.   2. Insert   the   black   lead   banana   plug   into   the   negative   COM   jack   and   the   red   test   lead   banana   plug   into   the   positive ...

Extech   Instruments   27 GX900-EU-EN V1.6 4/14   MINIMUM   (MIN)   AND   MAXIMUM   (MAX)   READINGS   The   MIN ‐ MAX   recording   mode   captures   minimum,   maximum,   and   average   measurement   values.   When   the   measurement   falls   below   the   recorded   minimum   value   or   abov...

Extech   Instruments   28 GX900-EU-EN V1.6 4/14   CAPTURING   PEAK   VALUES   To   activate   the   PEAK   Mode,   press   the   F1   key   (MENU).   Move   the   menu   selector   to   the   menu   item   labeled   PEAK/CREST   F   (Crest   Factor)   and   then   press   the   OK   key.   Move   th...

Extech   Instruments   30 GX900-EU-EN V1.6 4/14   VIEW   TREND   DATA   Viewing   data   stored   in   the   meter’s   memory   is   performed   through   the   SAVE   menu   as   described   below:   1. Press   the   F2   key   (SAVE)   and   select   menu   item    MEMORY   and   Press   the   OK ...

Extech   Instruments   31 GX900-EU-EN V1.6 4/14   RECORDING   MEASUREMENTS   (DATALOGGING)   The   meter’s   datalogger   collects   measurement   information   over   a   user ‐ specified   duration   (sampling   rate).   A   datalogging   recording   session   is   made   up   of   one   or   more...

Extech   Instruments   34 GX900-EU-EN V1.6 4/14   CALIBRATION   ACCESS   The   Calibration   selection   allows   a   qualified   calibration   technician   to   enter   a   password   that   grants   access   to   the   meter   for   calibration   purposes.   1. Press   the   F4   key   (SETUP)   t...

Extech   Instruments   38 GX900-EU-EN V1.6 4/14   FUSE   REPLACEMENT   1. Switch   the   meter   off   and   remove   the   test   leads   from   the   meter’s   input   jacks   2. Remove   the   battery   compartment   cover.   3. Remove   the   fuse   from   the   battery   compartment   by   firs...

Extech   Instruments   39 GX900-EU-EN V1.6 4/14   SPECIFICATIONS   GENERAL   SPECIFICATIONS   Enclosure Double molded, waterproof Shock (Drop Test) 2m (6.5 ft) Diode Test Test current 0.9mA maximum, open circuit voltage 3.2V DC (typ.) Continuity Check Audible signal will sound if the resistance is l...

Extech   Instruments   40 GX900-EU-EN V1.6 4/14   ELECTRICAL   SPECIFICATIONS   Function Range Resolution Accuracy DC Voltage 50mV [¹] 0.001mV (0.05% + 20) 500mV [¹] 0.01mV (0.025% + 5digits) 5V 0.0001V (0.025% + 5digits) 50V 0.001V (0.025% + 5digits) 500V 0.01V (0.05% + 5digits) 1000V 0.1V (0.1% + ...