background image

381270 v1.2  04/02 

5

SPECIFICATIONS

 

Display 

128x64 pixel graphic LCD (view area: 2.8x1.5”, 71.7x39mm) 

Measurement rate 

Digital: 4 times/sec; Bar-Graph: 7 times/sec. 

Auto Power Off 

After 30 minutes of inactivity 

Overrange indication 

“OVER” 

Display rate 

Digital display; 4/second  Bargraph; 7/second 

Input resistance 

10M

Ω, 

>2G

 on mV range 

Power 

6 size AA cells, 6 size AA Nicad batteries, 2 Ni-Cad Battery 
Pack or AC adaptor 
Operating time: Alkaline (6hrs approx.), Ni-Cad (8hrs 
approx.) Ni-Cad Charging time (3hrs approx.) 

Temperature Operating: 

32

O

F to 104

O

F(0

O

C to 40

O

C), Storage (Ni-Cad 

batteries removed): -4

O

F to 140

O

F (-20

O

C to 60

O

C), 

Charging: 32

O

F to 113

O

F(0

O

C to 45

O

C) 

RS232 Interface 

Baud Rate: 9600, Data bit: 8 bit, Stop bit: 1 bit, Parity: none 

Min/Max/Avg. 

Records minimum, average and maximum value 

Hold 

Captures displayed reading 

Storage 

15 pages (text or graphic) 

Dimensions/weight 4.2x8.3x2.2” (107x210x55mm) / 1.77lbs. (800gm) 

 

Digital Storage Oscilloscope

 

Display 

Number of Channels 

One 

 

Bandwidth 

DC to 100kHz 

 

Volt / Division (4 divisions) 

150mV to 400V 

 Sample 

Rate 

1.0MSPS 

Horizontal 

Number of Channels 

One 

 

Second / Division (9 divisions)  10usec. to 1 second 

 

Record length 

25 div 

Glitch Capture 

500nsec. (minimum) 

 

 

Multimeter

 

Range Resolution 

Accuracy 

 

400mV 0.1mV 
4V 0.001V 
40V 0.01V 
400V 0.1V 

DC Voltage 

1000V 1V 

±(0.5%rdg + 10dgt) 

400mV 0.1mV 
4V 0.001V 
40V 0.01V 
400V 0.1V 

AC Voltage   True 
RMS 

700V 1V 

±(0.75%rdg + 10dgt)   RMS 
50Hz to 1kHz 

400uA 0.001mA 
400mA 0.1mA 

DC Current 

20A 0.01A 

±(1.0%rdg + 10dgt) 

400uA 

1

µ

400mA 0.1mA 

AC Current 

20A 0.01A 

±(1.2%rdg + 10dgt)  RMS 
50Hz to 1kHz 

Содержание MultiScope 381270

Страница 1: ...Owner s Manual Model 381270 381275 MultiScopeTM CAUTION Read understand and follow all Safety Rules and Operating Instructions in this manual before using this product...

Страница 2: ...11 Resistance Conductance and Continuity 11 Capacitance and Diode Measurements 11 mA and uA Current Measurements 11 Current Measurements 12 RPM Measurements 12 Signal Out 12 AUX 12 Install 12 Frequen...

Страница 3: ...uit is non powered Ohms can not be measured if there is voltage in the circuit being measured When using the inductive pick up lead be sure you keep the inductive clamp away from adjoining high tensio...

Страница 4: ...otentially hazardous situation which if not avoided may result in minor or moderate injury or damage to the product or other property This symbol advises the user that the terminal s so marked must no...

Страница 5: ...erface Baud Rate 9600 Data bit 8 bit Stop bit 1 bit Parity none Min Max Avg Records minimum average and maximum value Hold Captures displayed reading Storage 15 pages text or graphic Dimensions weight...

Страница 6: ...3 0 rdg 5dgt Duty Cycle 1 to 100 0 1 3 0 rdg 5dgt 10Hz 100Hz 1Hz 100Hz 1000Hz 10Hz Signal Out 1kHz 20kHz 1kHz 1 2 5 digits OVERLOAD PROTECTION Input Overload Protection Function Maximum Input V DC V A...

Страница 7: ...30 minutes of inactivity MODE Toggle between the multimeter text mode and the oscilloscope graphics mode The graphics mode functions in the V A and mV modes HOLD Freezes the reading on the display Pre...

Страница 8: ...iemens Conductance o C Degrees Centigrade o F Degrees Fahrenheit OUT Signal out PAUSE Pause in MIN MAX mode P H Peak Hold Psi kPa Pressure RANGE manual ranging REL Relative RESET Reset RMS True RMS RP...

Страница 9: ...e pattern in the autoranging mode or can be set manually using the F1 and arrow keys The volts division is determined by the range selected and cannot be varied SOFT KEYS AND SUB MENUS Function keys F...

Страница 10: ...the next available range will be set 3 To return to AUTO range hold the RANGE key for 4 seconds DATA HOLD The meter will freeze the reading in the display when the HOLD key is pressed H will apear in...

Страница 11: ...rement is less than 40 5 Press F3 to enter the conductance nS mode Conductance 1 and is displayed in nS nano Siemans from 0025nS to 0999nS 1 to 40M CAPACITANCE AND DIODE MEASUREMENTS 1 Turn the rotary...

Страница 12: ...ures cautions and connection diagrams regarding the SIG OUT function 3 Press F1 to increase the frequency and F2 to decrease the frequency 4 Press F3 to initiate the output Press again to disable the...

Страница 13: ...pulsewidth a The pulse width function changes the display from frequency to pulse width b Press F3 to enter the pulse width function The display will change to mS if a signal is present c In the pulse...

Страница 14: ...available range will be set 3 To return to AUTO range hold the RANGE key for 4 seconds RELATIVE text soft key The relative mode displays of the difference between a reference value and the measured v...

Страница 15: ...ss F3 to trigger a single measurement 2 Press the sub menu F2 or F3 arrow keys to change the time division 3 Press the sub menu F1 key to trigger a new measurement 4 Press F4 EXIT to return to the gra...

Страница 16: ...ith the associated time of measurement 7 Select Run Stop to stop the data recording 8 Select Graph Bar or Line to plot the data in graphical format 9 Select File Save to save the recorded data 10 Sele...

Страница 17: ...ift the tilt stand and remove the two screws 2 Lift the two battery covers up to remove them 3 Replace the six batteries Observe the proper polarity as indicated in the compartment MULTISCOPE BATTERY...

Страница 18: ...40 for authorization A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to p...

Отзывы: