Nanjing Medical University has publicly tendered for the procurement of an ultrasound animal sound spectrum acquisition system. The results of this tender are announced as follows:

1、 Name and number of bidding project

Project Name: Ultrasonic Animal Spectrum Collection System

Project Number: NJMUZB3012019062

2、 Bid winning information

Bid winning supplier name: Nanjing Ouxi Science and Trade Co., Ltd

Bid amount: One hundred and twenty-three thousand yuan (¥ 123000.00)

3、 Announcement deadline: One working day

4、 Contact information for bidding projects

Teacher Chen and Teacher Han

Contact address: Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing City

If any party concerned has objections to the winning bid result, they may raise doubts in writing to Nanjing Medical University within seven working days from the date of the announcement of the winning bid. Failure to do so will result in no further acceptance.

Nanjing Medical University

November 7, 2019

Germany AvisoftExploration of Bioacoustic Animal Vocal System with Company Ultrasonic Microphone

UltraSoundGate 116Hme complete kit for recording ultrasound in air

with condenser microphone and remote control part # 71165

UltraSoundGate 116Hme ， part # 71166

1. Software included: Avisoft RECORDER USGH for Windows

2. ADC type:

Delta-Sigma architecture with integrated adaptive anti-aliasing filter

3. Resolution:

16 bit or 8 bit

4. Sampling frequency [kHz]:

1000, 750, 666.6, 500, 400, 375, 333.3, 300, 250, 214, 200, 187.5, 166.6, 150, 125, 100, 75, 62.5, 50

5. Frequency response (-3dB, external input without mic): 20 Hz -460 kHz

6. Input sensitivity (max trim) -43.2dBV=-41 dBu=6.9 mVrms

7. Input sensitivity (min trim) -3.2dBV=-1 dBu=0.69 Vrms

8. Gain adjustment potentiometer 40 dB continuous range (standard)

9. Input impedance 50 kOhm

10. USB connection: standard B-type USB socket

11. High power supply current: 250 mA

12. Physical dimensions: 65 x 32 x 160 mm

13. Weight: 205 g

14. Includes: 2-meter extension cable, tripod and clip, waterproof box

15.包含： Very sensitive externally polarized condenser microphone (CM16 + CMPA) with a flat frequency response, replaceable capsule (a spare capsule is included), low-noise and low-distortion preamplifier.