TPI 183A True RMS Digital Multimeter with Capacitance, Duty Cycle and Low-pass Filter The TPI 183A is a true RMS auto-ranging Digital Multimeter. The backlit LCD can display three readings at one time. In addition to basic functions of ACV, DCV, ACA, DCA, Diode Test and continuity, the 183A measures Frequency (Hz) and Capacitance. The 183A also has RS232 output and software for recording information into a PC. The 183A also features: • REC Records Min/Max and Average readings during specified measurement intervals. Time reference can also be displayed to determine when the values were recorded. • COMP Compare actual reading to preset HI and LOW values for Pass/Fail testing of components. • HOLD Two-hold system automatically holds the previous stable reading when a new one is obtained. Features • Large 4000 count Backlit Display with Analog Bargraph • True RMS for more accurate measurements • Auto/manual ranging • Duty cycle to measure the amount of time the motor is on • Low pass filter for noisy environments • Separate battery and fuse compartment • Auto power off • IR serial interface Applications • Test run and start capacitors • Measure ambient and duct temp. • Test control (thermostat, thermocouple, flame  safety) and line voltages • Measure resistance and test for continuity • Line current up to 10 amps (in series)

183A Digital Multimeter Prices Start at $160.00

Specifications DC Volts Maximum Input: 1000V Maximum Resolution: 0.1mV Accuracy: ±0.3% AC Volts Maximum Input: 750V Maximum Resolution: 0.001V Accuracy: ±0.75% DC Amps Maximum Input: 10A Maximum Resolution: 0.1µA Accuracy: ±0.5% AC Amps Maximum Input: 10A Maximum Resolution: 0.1µA Accuracy: ±0.75% Resistance (Ohms) Maximum Input: 40MΩ Maximum Resolution: 0.1Ω Accuracy: ±0.5% Frequency Maximum Input: 200KHz Maximum Resolution: 0.01Hz Accuracy: ±0.05% Capacitance Maximum Input: 10000µF Maximum Resolution: 0.01µF Accuracy: ±2% Inductance N/A Display Type: Display Type: 4,000 count backlit LCD with dual sub displays and analog bargraph Continuity: Audible at less than 100Ω Diode: 3V at 2.5mA maximum output True RMS Responding: Yes Conductance: No Pulse Width: No Data Hold: Yes, 2 hold system Min/Max Record: Yes Relative Mode: Yes Compare Mode: Yes RS-232 Output: Yes Time Stamp Logging: No Sleep Mode/Auto Off: Yes Range Selection: Auto Manual Operating Temperature: 32 to 113°F (0 to 40°C) Storage Temperature: -4 to 140°F (-20 to 60°C) Humidity: 80% non-condensing Size: 7.4” x 3.4” x 1.2” (187mm x 86mm x 33mm) with boot Weight: 14.4oz (380g) with boot Battery Type: 9V Alkaline (NEDA 1604) Battery Life: 100hrs Typical Overvoltage Category: CAT III 600V Agency Approval: cULus 61000-1, IEC 61000-1

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