Millivoltmeter

K E Y S P E C I F I C A T I O N S

METER

Sensitivity

100 μV

Voltage Range (Full Scale)

1 mV to 300 V in 12 ranges

-60 to +50 dBV, -60 to +52 dBm

(0 dBV = 1 V, 0 dBm = 0.775 V)

Accuracy

± 2% full scale at 1 kHz or 400 Hz

Frequency Response (1 kHz ref)

LMV-181A

20 Hz - 200 kHz ± 2%

10 Hz - 500 kHz ± 5%

5 Hz - 1 MHz ± 10%

LMV-186A

20 Hz - 100 kHz ± 3%

10 Hz - 200 kHz ± 5%

5 Hz - 500 kHz ± 10%

Input Impedance

LMV-181A

10 M½, 50 pF

LMV-186A

10 M½ ² 45 pF (1 mV to 300 mV)

² 25 pF (1 V to 300 V

Maximum Input

600 V (dc + ac peak)

Noise

Less than 2% full scale

AMPLIFIER

Output

1 V rms (no load) corresponds to a

full scale indication on each range

Frequency Response (1 kHz ref)

10 Hz to 200 kHz (-3 dB)

Output Impedance

600 ½ ± 20%

Distortion (1 kHz)

² 1% full scale

ENVIRONMENTAL

Operating Temperature

0 to 40°C

Humidity

85%

POWER REQUIREMENTS

100, 120, 220, 240 V ac ± 10%

PHYSICAL

Size (W x H x D)

LMV-181A

51/4 x 57/8 x 97/8 in.

132 x 150 x 250 mm

LMV-186A

57/8 x 77/8 x 97/8 in.

150 x 200 x 250 mm

Weight

LMV-181A

4.4 lbs., 2 kg

LMV-186A

7.7 lbs., 3.5 kg