M9 Muti-Function EM
Natural Source：HMT、AMT、MT
Controlled Source：CSHMT、CSAMT
Features
The best Wideband MT System in China
- Natural Source: HMT, AMT, BMT, MT
- Controlled Source: CSHMT, CSAMT, TEM
- Remote & Real Time: 4G, WIFI, GNSS
- Range: 100kHz-10Hz & 10kHz-0.1Hz & 1kHz-10000s
Highlights
- Channels: 5 channels (2 magnetic and 3 electric)
- Input Range: 10Vpp @ 0db
-
Input Impedance:
Magnetic channels>20kOhm Electric channels>10MOhm
- Frequency Range: DC to 92 kHz
- Synchronization: Satellite & Crystal Oscillator
- Timing Accuracy: ±20ns
- Data Storage: Standard 32G (larger capacity on request)
- ADC: 32 bits (192ksps max)
- Data Transfer: USB2.0
Sensors
| S10 | S50 | S100 | S150 | |
|---|---|---|---|---|
| Bandwidth | 0.1Hz to 10kHz | 0.00001Hz to 1000Hz | 0.1Hz to 100kHz | 0.0001Hz to 10000Hz |
| Power Supply | 20 mA @ ±12V | 20 mA @ ±12V | 20 mA @ ±12V | 25 mA @ ±12V |
| Sensitivity | 100 mV/nT | 100 mV/nT | 150 mV/nT | 50 mV/nT |
| Dimensions | Φ6 cm × 81 cm | Φ5 cm × 140 cm | Φ4.1 cm × 76.2 cm | Φ5 cm × 130 cm |
| Weight | 3.0 kg | 5 kg | 2.1 kg | 6 kg |
| Noise Level |
<100 fT/√Hz @1 Hz <1 fT/√Hz @1 kHz |
<10 pT/√Hz @0.01 Hz <100 fT/√Hz @1 Hz <10 fT/√Hz @1000 Hz |
<50 fT/√Hz @10 Hz <1 fT/√Hz @1 kHz |
<20 pT/√Hz @0.01 Hz <100 fT/√Hz @1 Hz <10 fT/√Hz @10 kHz |
Comparison of EH4 and M9 Muti-Function EM
Comparison of V8 and M9 Muti-Function EM
Highway & Tunnel Site Survey
