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440 - ScopePlus Handheld Oscilloscope & DMM
The TPI 440 is a hand-held oscilloscope plus autoranging DMM. The instruments large, backlit LCD display shows a reading and waveform simultaneously. In addition to the standard functions of ACV, DCV, ACA, DCA, O, Diode Test and Continuity Buzzer; the 440 measures Frequency (Hz), Capacitance, Logic and Component test functions. The 440 also has RS232 output and software for interfacing with a PC is offered as an optional accessory.
The 440 comes complete with the following accessories:
• Rechargeable batteries
• Set of standard test leads
• Operating instructions
• 1 MHz Digital Oscilloscope..... 20 MS/s
• 4000 count true RMS DMM, autoranging
• NiCad battery + charger included
• Real time display with backlight
• Glitch capture and trend modes
• Frequency counter to 2 MHz
• Capacitance and logic test measurement
• 8 waveform storage locations
• 8 front panel setup memories
• RS-232C Port
• Optional Waveform / PC Software
|Size||2” x 3” (51mm x 76mm)|
160 x 240
16V DC power supply (Included)
|Internal||7.2V DC rechargeable battery|
|Operating Time||5 hours|
|Waveform||Save 4 full screens|
|Setup||Saves user settings|
|Input Impedance||1.11M Ohm|
|Max Input Voltage||1000Vp-p|
|Trigger Slope||Positive / Negative|
|Sample Rate||20 Mega samples/second|
|Samples per Division||20|
|Update Rate||Real time|
|Sweep Rate||1uS to 1S in 1,2,5 sequence|
|TRUE RMS DMM|
|DCV||400mV, 4, 40, 400, 1000V|
|Basic DC Accuracy||± 0.3%|
|ACV||300mV, 3, 30, 300, 750V|
|Basic ACV Accuracy||± 0.75%|
|DC Amps||400uA, 4000uA, 40mA, 400mA 4A, 10A|
|Basic DCA Accuracy||± 0.5%|
|AC Amps||300uA, 3000uA, 30mA, 300mA 3A, 10A|
|Basic DCA Accuracy||+/-0.75%|
|Frequency||1 Hz to 2 MHz|
|Basic Frequency Accuracy||± 0.05%|
|Capacitance||400nF, 4uF, 40uF, 400uF|
|Basic Capacitance Accuracy||+/-3%|
|Resistance (Ohm)||400 §Ù, 4k §Ù, 40k §Ù, 400k §Ù, 4M §Ù, 30M §Ù|
|Basic Ohm Accuracy||± 0.3%|
|Continuity (CH1 only)||< 100 ohm|
|Diode Test||2.5mA maximum output|
FAQ on the 440 True RMS Digital Multimeter
Where do I use the 440?
The 440 is ideal for viewing industrial power signals, UPS systems, power supplies and PLC controls. Use anywhere a DMM is used.
Does the 440 measure Capacitance?
Yes, the 440 can measure up to 400 uF (microfarads).
What is the highest voltage the 440 can measure?
The 440 can measure up to 1000 DCV and 1000 ACV.
What is the lowest voltage the 440 can measure?
The 440 can measure down to 0.1 millivolts on both DCV and ACV. The scope also has a volts/division setting of 0.1 volts.
How is the RS232 port used?
With the optional A402 cable and software you can acquire data and download it to a spreadsheet.
Can the 440 measure more than 10 DCA or ACA?
Yes, TPI offers a number of amp adapters to extend the range up to 1000 amps. TPI has a wide range of optional accessories that will enable the user to measure amps, temperature, pressure, or CO.