Dual needle millvoltmeter with high quality,Single pointer display,Independent operation

Specifications

Features:
1, advanced circuit design are imported device installed, to ensure the accuracy of minimal deviation
2, double pointer display, can the independent operation or tracking test
3, measuring frequency : 5 hz ~ 1 MHZ
4, AC measuring voltage: 300 mu V - 100 - V maximum voltage (DC + AC300V)
5, the dB measurement: - 70 dB and + 40 dB
6, microcontact 3600 rotary switch
7, 10 m Ω into the impedance
8, built-in grounding or accused of every other way
In September and output observation function
10, measuring range: voltage: 300 mu dB: V - 100 V - 70 dB and + 40 dB
DBm: - 80 to 52 dBm (0 db = 1 VRMS, 0 dBm = 0.755 V)
11, error: full scale < 3% level of 1 KHZ
12, frequency response: 5 hz ~ 1 MHZ, plus or minus 10% 10 hz ~ 500 KHZ, plus or minus 5%
20 hz ~ 200 KHZ: 30 hz ~ 100 KHZ: plus or minus 3% plus or minus 2%
Level 1 KHZ
13, input impedance: 10 M Ω plus or minus 5%, 45 pf
14, the maximum input voltage: 500 v (DC + AC) : 3 v - 100 v 300 v (DC + AC) : 300 microvolt - 1 v range
15 and stability: + / - 5% of full scale
16, residual voltage: less than 200 mu V 1 mv level, short circuit output
17, gain: 60 db
18, output voltage: 0.1 Vms plus or minus 20% of full scale (light)
19, the output resistance: 600 Ω level of 20% plus or minus 1 KHZ
20, distortion: less than 1% of full scale
21, signal-to-noise ratio: 0.3 mV range greater than 30 db
22, frequency response: 5 hz ~ 500 KHZ: plus or minus 3%
23, rated temperature/humidity: 100 c to 400 c / 85% RH
24, power supply: 220 v / 110 v + 10% for 50 hz / 60 hz
25, size: 239 * 140 * 200 mm
26, weight: 3 kg