Astro-Med PM-08 Overview Astro-Med, Inc. PM-08 Performance Characteristics: Form Factor: Module (proprietary interface/bus) Minimum Voltage: 1 mV Maximum Voltage: 5 V Maximum Frequency: 200 Hz Input Impedance: 6 MOhm Astro-Med, Inc. PM-08 Measurements/Features: Max input 10 VDC or AC peak CMV +/-10 VDC or AC peak Differential input type 12 step attenuation Non-linearity <0.1% full scale Auto-calibration Low-pass filter 10 Hz Peak-peak/True RMS measurement Status reporting CMR 90 dB @ 60 Hz