Amprobe 37XR-A True RMS Digital Multimeter

DC Voltage Ranges

1000 mV, 10V, 100V, 1000V

DC Voltage Accuracy

± 0.1% rdg ± 5 digits

AC  Voltage Ranges

1000 mV, 10V, 100V, 750V (45-2 kHz)

AC Voltage Accuracy

± 1.2% rdg ± 10 digits (except 750V) (45-500 Hz)

Voltage Resolution

100 µV

Voltage Input Impedance

400 mV: >100 MΩ, 4V: 10 MΩ, 40V to 1000V: 9.1 MΩ

Voltage Overload Protection

1000 VDC or 750 VAC RMS

DC Current Ranges

100 μA, 1000 μA, 10 mA, 100 mA, 400 mA, 10A

DC Current Accuracy

± 0.5% rdg ± 10 digits (± 1.5% rdg ± 10 digits for 10A range)

AC Current Ranges

100 μA, 1000 μA, 10 mA, 100 mA, 400 mA, 10A

AC Current Accuracy

± 2.0% rdg ± 10 digits (± 2.5% rdg ± 10 digits for 10A range)

Current Resolution

0.01 µA

Current Overload Protection

Fast-blow ceramic fuse

True RMS, AC Coupled

5% to 100% of range

Resistance Ranges

1000 Ω, 10 kΩ, 100 kΩ, 1000 kΩ, 10 MΩ, 40 MΩ

Capacitance Ranges

40 nF, 400 nF, 4 µF, 40 µF, 400 µF

Inductance Ranges

4 mH, 40 mH, 400 mH, 4 H, 40 H

Frequency Ranges

100 Hz, 1000 Hz, 10 kHz, 100 kHz, 1000 kHz, 10 MHz

Duty Cycle Measurement

0% to 90%, 5V logic, 40 Hz to 20 kHz

Logic Test

TTL, CMOS, to 20 MHz

dBm Measurement

-13 dBm to _50 dBm, 45 Hz to 10 kHz

Continuity Test

Audible indication at < 40 Ω in 100 ms

Diode Test

1.0 mA, 3.0 Vdc

Display

4-3/4 digit (10000 count) LCD display plus 41-segment bar graph

Polarity

Automatic

Overrange

(OL) or (-OL) is displayed

Zero

Automatic

Measurement Rate

2 times per second

Operating Temperature

0°C to 45°C (32°F to 113°F) at < 70% RH

Storage Temperature

-20°C to 60°C, < 80% RH (with battery removed)

Power Supply

9V battery, NEDA 1604, JIS 006P, IEC 6F22

Battery Life

150 hours typical with alkaline

Dimensions

195 x 92 x 60 mm (7.75 x 3.55 x 2.4 in)

Weight

400 g (0.9 lb) with battery