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            | PicoLog CM3 current data logger specifications |  
            | Number of channels | 3 |  
            | Range (voltage input) | 0 to 1 V AC RMS |  
            | Accuracy (voltage input) < 200 mV RMS
 < 1 V RMS
 | ±1%
 ±2.5%
 |  
            | RMS noise | 60 µV |  
            | Resolution | 24 bit |  
            | Conversion time per enabled channel | 720 ms |  
            | Voltage input | 1 V RMS, 20 Hz to 1 kHz |  
            | Input connectors | 4 mm sockets |  
            | Input impedance | >1 MΩ, AC coupled |  
            | Overvoltage protection | ±30 V DC |  
    
    
        
            | PC requirements |  
            | Minimum | Processor: 1 GHz Memory: 512 MiB
 Free disk space: 32-bit: 600 MB, 64-bit: 1.5 GB
 Operating system: 32- or 64-bit edition of Microsoft Windows XP (SP3), Vista, Windows 7, Windows 8.1 (not Windows RT) or Windows 10
 Ports: USB 1.1 port or Ethernet.
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            | Recommended | Processor: 1 GHz Memory: 512 MiB
 Free disk space: 32-bit: 850 MB, 64-bit: 2 GB
 Operating system: 32- or 64-bit edition of Microsoft Windows 7, Windows 8.1 (not Windows RT) or Windows 10
 Ports: USB 1.1 (or higher), or Ethernet.
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            | Environmental |  
            | Operating environment Temperature range
 Humidity range
 | 0 °C to 50 °C (20 °C to 28 °C for stated accuracy)
 20% to 80% RH, non-condensing
 |  
            | Storage environment Temperature range
 Humidity range
 | –20 °C to +60 °C
 5% to 95% RH, non-condensing
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