product id: 105160
The Amprobe 37XR-A digital multimeter is a true RMS digital multimeter with a component and a logic test for troubleshooting electronic instrumentation in the lab or on the jobsite. The Amprobe 37XR-A can measure inductance to 40 Hz, frequency to 40 MHz, capacitance to 400 µF and logic to 20 MHz. The meter has a 10,000 count display with 0.1% accuracy at selected ranges.
Amprobe 37XR-A digital multimeters have many great features including an input warning tone when test leads are put in the wrong jacks; continuity beeper; Min/Max, Average, Relative, Peak and Data Hold; Auto power-off and a separate door for battery and fuse access. The Amprobe 37XR-A has a CAT III 600 V, CAT II 1000 V safety rating and is UL listed.
The Amprobe 37XR-A digital multimeter ships complete with:
| Function | Range | Accuracy |
|---|---|---|
| DC Voltage | ||
| Ranges | 1000 mV, 10 V, 100 V, 1000 V | ±(0.1 % rg + 5 dgt) |
| Resolution | 100 µV | |
| AC Voltage (45 Hz to 2 kHz) True RMS | ||
| Ranges | 1000 mV, 10 V, 100 V, 750 V | |
| 750 V range: 45 to 1 kHz: | ±(2.0 % rdg + 10 dgts) | |
| All other ranges: 45 to 500 Hz: | ±(1.2 % rdg + 10 dgts) | |
| All other ranges: 500 to 2 kHz: | ±(2.0 % rdg + 10 dgts) | |
| Resolution | 100 µV | |
| AC coupled True RMS specified from 5 % to 100 % of range | ||
| DC Current | ||
| Ranges | 100 µA, 1000 µA, 10 mA, 100 mA, 400 mA, 10 A | |
| 100 µA range: | ±(0.5 % rdg + 10 dgts) | |
| 1000 uA to 400 mA ranges: | ±(0.5 % rdg + 5 dgts) | |
| 10 A range: | ±(1.5 % rdg + 10 dgts) | |
| Resolution | 100 µV | |
| AC Current (45 Hz to 1 kHz) True RMS | ||
| Ranges | 100 µA, 1000 µA, 10 mA, 100 mA, 400 mA, 10 A | |
| 100 µA to 100 mA ranges: | ±(1.5 % rdg + 10 dgts) | |
| 400 mA range: | ±(2.0 % rdg + 10 dgts) | |
| 10 A range: | ±(1.5 % rdg + 10 dgts) | |
| Resolution | 0.01 µA | |
| AC coupled True RMS specified from 5 % to 100 % of range | ||
| Resistance | ||
| Ranges | 1000 Ω, 10 kΩ, 100 kΩ, 1000 kΩ, 10 MΩ, 40 MΩ | |
| 1000 Ω to 1000 kΩ ranges: | ±(0.5 % rdg + 8 dgts) | |
| 10 MΩ range: | ±(1.0 % rdg + 10 dgts) | |
| 40 MΩ range: | ±(2.0 % rdg + 10 dgts) | |
| Capacitance | ||
| Ranges | 40 nF, 400 nF, 4 µF 40 µF, 400 µF | |
| 40 nF, 400 µF ranges: | ±(3.0 % rdg + 10 dgts) | |
| 400 nF, 40 µF ranges: | ±(3.0 % rdg + 5 dgts) | |
| Resolution | 0.01 nF | |
| Inductance | ||
| Ranges | 4 mH, 40 mH, 400 mH, 4 H, 40 H | |
| For values of Q 2 7: | ±(5.0 % rdg + 30 dgts) | |
| Resolution | 1 µH | |
| Frequency | ||
| Ranges | 100 Hz, 1000 Hz, 10 kHz, 100 kHz, 1000 kHz, 10 MHz | ±(0.1 % rdg + 5 dgts) |
| Resolution | 0.01 Ha | |
| Duty Cycle | ||
| Ranges | 0 to 90 % | |
| Accuracy | 5V logic: | ±(2.0 % rdg + 20 dgts) |
| Resolution | 0.01 % | |
| Frequency Range | 0 % to 10 %: 40 Hz to 990 kHz | |
| 10 % to 90 %: 40 Hz to 20 kHz | ||
| Logic Test | ||
| Logic Type | TTL, CMOS | |
| Thresholds | Logic 1 (Hi): TTL 2.8 V ±0.8 V, CMOS 4 V ±1 V | Logic 0 (Lo): TTL 0.8 V ±0.5 V, CMOS 2 V ±0.5 V |
| Frequency Response | 20 MHz | |
| dBm | ||
| Ranges | -13 dBm to +50 dBm | |
| 45 Hz to 5 kHz: | ±(0.7 dB + 8 dgts) | |
| 5 kHz to 10 kHz | ±(2.5 dB + 8 dgts) | |
| Resolution | 0.01 dBm | |
| Continuity | ||
| Audible Indication | less than 40 Ω | |
| Diode Test | ||
| Test Current | 1.0 mA (approximate) | |
| Open Circuit Volts | 3.0 V dc typical | |
| Peak | ||
| AC Volts Accuracy | 100 V, 750 V ranges: | ± (3.0 % + 200 dgts) |
| 1000 mV, 10 V ranges: | unspecified | |
| Overload Protection | ||
| AC/DC Voltage | All ranges: 1000 V DC or 750 V AC RMS | |
| AC/DC Current | µA/mA input: F0.5A/1000 V fast-blow ceramic (6.2 x 32 mm) | |
| 10 A for 4 min. max. followed by 12 min. cooling period | ||
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