1, the use of color blue bottom liquid crystal display, according to the Chinese menu prompt operation. The tester directly shows the various items to be tested and the predetermined parameters of the equipment being seized, and no need to remember a large number of test items and parameters. One touch operation, without memory and complex operation key combination. Using shortcut keys, can quickly switch detection project.

2, verification of digital ECG, dynamic ECG machine and simulated ECG, EEG machine, digital brain topographic map, ECG monitor. In full compliance with the latest national rules <JJG1041-2008 digital ECG >, <JJG1042-2008 dynamic (mobile) > of ECG machine, <JJG543-2008 electrocardiograph (ECG) >, <JJG1043-2008 electroencephalograph >, <JJG760-2003 ECG >, <JJG749-2007> and <YY1139-2000> technology requirements.

*3, sine wave and square wave pulse superposition signal: double signal source (used to test the dynamic ECG machine)

By the embedded dual source stack.

A) Fang Bo pulse signal component:

Repeated times: 100 times /min, the maximum allowable error: + 1%; pulse width: 0.1ms, 1ms, 10ms, the maximum allowable error: + 1%

Pulse rising edge: <100us; amplitude: 2mV, 20mV and 200mV, the maximum allowable error: + 1%

B) sine wave signal components: the same seventh.

*4, ECG simulation signal (for digital ECG test)

(a) amplitude (peak to peak) range: 8 V to 30.00V

The maximum allowable error: 100 V ~ 30.00V ~ + 1%; 30 mu V ~ 100 V + 9.5%; 1.000V + 0.9%

Cycle (b) cycle: 1333.3ms (or frequency 0.75Hz); maximum allowable error: + 0.5%

C) ECG signal in A1, A2... A10 maximum allowable error of + 1%

D) ECG signal in T1, T2... T11 maximum allowable error of + 1%

*5, standard heart rate signal 1 (ECG simulation) (used for digital ECG test)

Can produce 6 kinds of ECG rhythm test signal range: 30 ~ 300 / min.;

The maximum allowable error of the cardiac rhythm test signal: + 0.5%

The range of amplitude and the maximum allowable error of the same 4a.

6, Fang Bo signal

Amplitude (peak value) range: 8 V to 30.00V

Amplitude (peak) maximum allowable error: 80 V ~ 30.00V ~ + 50; 0.5% V ~ 80 V + 1%; 8 mu V ~ 50 V 10%

Period range: 2ms ~ 100s, the maximum allowable error: + 0.1%

7, sine wave signal

Amplitude (peak value) range: 8 V to 30.00V

Amplitude maximum allowable error: (frequency in 200Hz ~ 20mHz) 50 V ~ 30.00V ~ + 8; 1% V ~ 50 V + 10%

Frequency range: 10mHz ~ 1000Hz; the maximum allowable frequency error: 10mHz ~ 500Hz + 0.1%; distortion (20mHz ~ 200Hz): < 2%

8, standard heart rate signal 2 (triangle pulse wave, positive and negative 2 polarity) (used for analog ECG test)

Heart rate range: 10 to 500 times per minute; the maximum allowed error: + 0.1%

Amplitude (peak value) range: 4 V to 15.00V

The maximum allowable error: 40 V ~ 15.00V ~ + 1%; 25 V ~ 40 V + 5%; 4 V ~ 25 V + 10%

9, triangle wave

Period range: 2ms ~ 50s, the maximum allowable error: + 0.1%

10, polarization voltage: + 300 mV, the maximum allowable error: + 3%

11, differential signal: frequency 1Hz, the maximum allowable error: + 0.1%

12, balanced attenuator: attenuation ratio of 1/1000; maximum allowable error: + 0.3%

13, common mode rejection ratio: voltage range: 9-11V (effective value); voltage maximum allowable error: + 10%

14, the use of modular design, according to the new test items, add the corresponding detection module can be upgraded to facilitate.

15, the use of imported chassis, compact and beautiful, reliable and durable, suitable for on-site verification.