product descriptionSperry HDM-4400 DM-4400A Digital Multimeter 23 Range 7 Function
This exceptional 3-1/2 digit handheld, digital multimeter has the capacity of reading up to 7 functions on up to 23 ranges. UL listed to U.S. and Canadian safety standards. This DMM offers a powerhouse of measurement capability in a small self-contained housing. It is designed for the professional at work, in the field or in the laboratory. Yet simple enough to operate, making it perfect for the hobbyist too. Safety was prime consideration in the design of this DMM. Housed in shock resistant ABS plastic, this instrument stands up to the use and abuse of everyday service and electrically insulates the user from potential shock hazards. Electronic overload protection against accidental application of voltage to resistance and continuity circuits, combined with its rugged construction make it a durable and reliable instruments.
• Simple Operation
• 1000 hour battery life
• 10A DC/AC Range
• Recessed safety designed input terminals
• Built-in tilt stand
• Overload protection on all ranges
• Diode test function
• Non contact Voltage detection
Display: 3-1/2 digit LCD, 0.5" numerals, maximum reading 1999 with automatic sign and " " annunciators.
Over range Indication: "1" most significant digit blinks.
Sampling Rate: Times per second.
Environment: 5°C to 40°C (32°F to 104°F)
Relative humidity: 80% for temperatures up to 31 degrees C Decreasing linearly to 50% relative humidity at 40 degrees C.
Environment: -20° C to 60° C (-4 F to 140° F) at 80% relative humidity.
Power Source: One (1) 9V Transistor Type Battery. (NEDA #1604).
Power Consumption: 30mW typical
Battery Life: 1000 hours typical with zinc carbon.
Battery Indicator: " " symbol appears in display to indicate low battery voltage.
Fuse: AWS Part F-17; 0.5A, 250V, 5 x 20mm fast acting.
Dimensions: 5.0"H x 2.8"W x 1.4"D (128H x 72W x 36Dmm).
Weight: Approximately 7.0 oz. (200g) including battery.
Normal Mode Rejection Ratio: Greater than 46dB at 50 Hz 60Hz (1K unbalance).
Overload Protection: 600VDC or AC rms for 1 minute.
AC Voltage (Average Responding, Calibrated in RMS of Sine Wave)
Response: Average responding calibrated in RMS of a sine wave.
Overload Protection: 600VAC for 1 minute
Aeronca 3m room
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