37XR TRUE RMS DMM

 

 Full Size Autoranging, True RMS Multimeters

37XR

 

SPEC

37XR

Specifications
DC Voltage	Ranges 1000 mV, 10 V, 100 V, 1000 V Accuracy all ranges ± (0.1 % rdg + 5 dgt) Resolution 100 µV
AC Voltage (45 Hz to 2 kHz) True RMS	Ranges 1000 mV, 10 V, 100 V, 750 V Accuracy 750 V range: 45 to 1 kHz: ± (2.0 % rdg + 10 dgts) Accuracy All other ranges, 45 to 500 Hz: ± (1.2 % rdg + 10 dgts) Accuracy 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 Accuracy 100 µA range: ± (0.5 % rdg + 10 dgt) Accuracy 1000 uA to 400 mA ranges: ± (0.5 % rdg + 5 dgts) Accuracy 10 A range: ± (1.5 % rdg + 10 dgt) Resolution 0.01 µA
AC Current (45 Hz to 1 kHz) True RMS	Ranges 100 µA, 1000 µA, 10 mA, 100 mA, 400 mA, 10 A Accuracy 100 µA to 100 mA ranges: ± (1.5 % rdg + 10 dgts) Accuracy 400 mA range: ± (2.0 % rdg + 10 dgts) Accuracy 10 A range: ± (2.5 % 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 Accuracy 1000 Ω to 1000 kΩ ranges: ± (0.5 % rdg + 8 dgts) Accuracy 10 MΩ range: ± (1.0 % rdg + 10 dgts) Accuracy 40 MΩ range: ± (2.0 % rdg + 10 dgts)
Capacitance	Ranges 40 nF, 400 nF, 4 µF, 40 µF, 400 µF Accuracy 40 nF, 400 µF ranges: ± (3.0 % rdg + 10 dgts) Accuracy 400 nF to 40 µF ranges: ± (3.0 % rdg + 5 dgts) Resolution 0.01 nF
Inductance	Ranges 4 mH, 40 mH, 400 mH, 4 H, 40 H Accuracy (for values of Q ≤ 7): ± (5.0 % rdg + 30 dgts) Resolution 1 µH
Frequency	Ranges 100 Hz, 1000 Hz, 10 kHz, 100 kHz, 1000 kHz, 10 MHz Accuracy all ranges: ± (0.1 % rdg + 5 dgts) Resolution 0.01 Hz
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 Frequency Range 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 Accuracy 45 Hz to 5 kHz: ± (0.7 dB + 8 dgts) Accuracy 5 kHz to 10 kHz: ± (2.5 dB + 8 dgts) Resolution 0.01 dBm
Continuity	Audible Indication < 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) AC Volts Accuracy 1000 mV, 10 V ranges: unspecifiedAC Current ± (3.0 % + 200 dgts) AC Volts Accuracy 100 µA range: unspecified
Overload Protection	AC/DC Voltage All ranges: 1000 V dc or 750 V ac rms AC/DC Current µA/mA input: F0.5 A/1000 V fast-blow ceramic (6.3 x 32 mm) AC/DC Current 10 A input: F10 A/1000 V fast-blow ceramic (10 x 38 mm) (10 A for 4 minutes maximum followed by a 12 minute cooling period)

General Specifications
Autoranging Display	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 °C to 45 °C at< 70 % R.H.; Storage Temperature: -20 °C to 60 °C, 0 to 80 % R.H. with battery removed from meter;
Temperature Coefficient	0.1 x (specified accuracy) per °C ( 0 °C to 18 °C , 28 °C to 45 °C)
Altitude:	(2000 m) 6562 ft
Dimensions	7.75" x 3.55" x 2.4" (195 x 92 x 60 mm)
Weight (without holster, includingbattery):	1 lb (400 gr)
Voltage AC	750 TRMS AC
Voltage DC	1000 V
mV AC	TRMS
Basic DC Accuracy	0.1%
DC Current, fused	10 A
AC Current, fused	10 A TRMS
Resistance	40MΩ
Capacitance	400µF
Frequency	10 MHz
Logic Test	TTL/CMOS 20MHz
Inductance	40 H