Specifications: | Amprobe 37XR-A Digital Multimeter |
DC Voltage | 1000 mV, 10 V, 100 V, 1000 V +/-(0.1 % rdg + 5 dgt) |
AAC Voltage True RMS (45 Hz to 2 kHz) Voltage | 1000 mV, 10 V, 100 V (45 Hz to 500 Hz) +/-(1.2 % rdg + 10 dgts) 1000 mV, 10 V, 100 V (500 Hz to 2 kHz) +/-(2.0 % rdg + 10 dgts) 750 V (45 Hz to 1 kHz) +/-(2.0 % rdg + 10 dgts) |
AC coupled True RMS | specified from 5 % to 100 % of range |
Input Impedance | 10 MW |
Voltage Resolution | 100 μV |
DC Current | 100 μA +/-(0.5 % rdg + 10 dgt) 1000 μA, 10 mA, 100 mA, 400 mA +/-(0.5 % rdg + 5 dgts) 10 A +/-(1.5 % rdg + 10 dgt) |
AC Current True RMS (45 Hz to 1 kHz) | 100μA, 1000 μA, 10 mA, 100 mA +/-(1.5 % rdg + 10 dgts) 400 mA +/-(2.0 % rdg + 10 dgts) 10 A +/-(2.5 % rdg + 10 dgts) |
Current Resolution | 0.01 μA |
Resistance | 1000 W, 10 kW, 100 kW, 1000 kW +/-(0.5 % rdg + 8 dgts) 10 MW +/-(1.0 % rdg + 10 dgts) 40 MW +/-(2.0 % rdg + 10 dgts) |
Resistance Resolution | 100 mW |
Capacitance | 40 nF, 400 μF +/-(3.0 % rdg + 10 dgts) 400 nF, 4 μF, 40 μF +/-(3.0 % rdg + 5 dgts) |
Capacitance Resolution | 0.01 nF |
Inductance (for values of Q ² 7) | 4 mH, 40 mH, 400 mH, 4 H, 40 H +/-(5.0 % rdg + 30 dgts) |
Inductance Resolution | 1 μH |
Frequency | 100 Hz, 1000 Hz, 10 kHz, 100 kHz, 1000 kHz, 10 MHz +/-(0.1% rdg + 5 dgts) |
Frequency Resolution | 0.01 Hz |
Duty Cycle | 0 to 90 % 5 V logic: +/-(2.0% rdg + 20 dgts) |
Duty Cycle Resolution | 0.01 % |
Frequency Range | 0 % to 10 %: 40 Hz to 990 Hz 10 % to 90 %: 40 Hz to 20 kHz |
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 |
Logic Test Frequency Response | 20 MHz |
dBm | -13 dBm to +50 dBm (45 Hz to 5 kHz) +/-(0.7 dB + 8 dgts) -13 dBm to +50 dBm (5 kHz to 10 kHz) +/-(2.5 dB + 8 dgts) |
dBm Resolution | 0.01 dBm |
Continuity Audible Indication | < 40 W |
Response Time | 100 ms |
Diode Test Current | 1.0 mA (approximate) |
Open Circuit Voltage | 3.0 V dc typical |
Peak AC Volts Accuracy | 100 V, 750 V +/-(3.0 + 200 dgts) 1000 mV, 10 V unspecified |
AC Current | 1000 μA, 10 mA, 100 mA, 400 mA, 10 A +/-(3.0 + 200 dgts) 100 μA unspecified |
Overload Protection AC/DC Voltage | 1000 V dc or 750 V ac rms |
AC/DC Current | μA/mA input: F0.5 A /1000 V fast-blow ceramic 6.3 mm x 32 mm 10 A input: F10 A /1000 V fast-blow ceramic 10 mm x 38 mm (10 A for 4 minutes maximum followed by a 12 minute cooling period) |
Resistance, Continuity, Diode Test | All ranges: 1000 V dc or 750 V rms |
Display (Autoranging) | 4-3/4 digit LCD, 10,000 counts with 41-segment analog bar graph |
Display Update Rate | 2/sec, nominal |
Power Battery | 9 V NEDA 1604, JIS 006P, IEC 6F22 |
Battery Life | 150 hrs typical (alkaline) frequent use of backlight will decrease battery life |
Operating Temperature | 0 to 45 Degrees C at < 70% R.H. |
Storage Temperature | -20 to 60 Degrees C, 0 to 80 % R.H. with battery removed from meter |
Temperature Coefficient | 0.1 x (specified accuracy) per Degree C (0 to 18 Degrees C, 28 to 45 Degrees C) |
Altitude | 2000 m (6562 ft) |
Dimensions | 195 mm x 92 mm x 60 mm (7.75 in x 3.55 in x 2.4 in) |
Weight (without holster, including battery) | 450 g (1 lb) |
Warranty (years): | 3 |