CEM DT-989 True-RMS Digital Multimeter

The CEM DT-989 is a True-RMS digital multimeter designed for accurate and reliable electrical measurements, suitable for both professional and general use. The 989 is a robust True RMS Industrial Digital Multimeter equipped with a TFT color LCD display that offers rapid A/D conversion and high accuracy. It includes built-in data logging and Trend Capture features, allowing for the automatic monitoring of equipment issues without needing constant human oversight.

CEM DT-989 Key Features

Large 50,000 count 320 x 240 TFT color LCD display
Logging function with Trend Capture for easy review of logged data
Graph 100 Data review
Bluetooth interface for easy data transfer & accuracy calibration
10kHz bandwidth (voltage/current)
AC, ACV+DCV True-RMS measurements
Records events and trends
Saves measurements
A/D convert fast sampling time
Peak capture (records transients as fast as 250μs)
Min/Max/Average with Time stamp (records signal fluctuations)
4-20mA process loop measurements with % reading
Battery capacity indication
Date indication
Meter box iMM & cloud service

CEM DT-989 Specifications

Specifications	DT-989
Function	Maximum	Max, resolution	Accuracy
Voltage DC	1000V	100mV	±(0.05% + 4)
Voltage AC	1000V	100mV	±(0.5% + 40)
Current DC	10A	0.1μA	±(0.1% + 5)
Current AC	10A	0.1μA	±(0.8% + 5)
Temperature	-200ºC to 1350ºC	0.1ºC	±(1.0% + 3ºC)
Resistance	50MΩ	0.1Ω	±(0.1% + 5)
Capacitance	10mF	0.01nF	±(1.0% + 10)
Frequency	10MHz	0.01Hz	±(0.01% + 4)
Diode and Continuity	Yes
PC Interface	Bluetooth
Power Supply	6 hours Li-ion rechargeable battery; AC Adaptor/charger

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Brand

Cem

CEM Corporation Overview

Name: CEM DT-989 True-RMS Digital Multimeter - mme-ae
Brand: Cem
SKU: 81608

CEM Corporation, founded in 1978, is renowned for its pioneering contributions to scientific instrumentation with a focus on microwave-based technology for laboratory and research applications. The founders—Dr. Michael J. Collins (Chemist), Ronald Goetchius (Electrical Engineer), and Bill Cruse Jr. (Mechanical Engineer)—launched the company with a novel concept for microwave drying that significantly expedited moisture and solids analysis processes from hours down to minutes, which was a groundbreaking improvement at the time.

Product Innovation and Evolution

Over the years, CEM Corporation has expanded its product offerings beyond its original microwave moisture/solids analysis systems. Their portfolio now includes systems for:

Acid digestion for elemental analysis
Compositional testing of food products
Peptide and chemical synthesis

The company's dedication to innovation is reflected in their development of a diverse range of instruments suited for various applications from academic research to industrial quality control.