Specifications
EPM2000/EPM2000e ReferenceGuide
60
A/D DIGITAL RESOLUTION
• 12 bit
INPUT IMPEDANCE
• 1 MΩ (50 Ω output probes require a feedthrough terminator)
NOISE EQUIVALENT VOLTAGE (NEV)
• 50 µV typical
ANALOG OUTPUT
• Full scale output 2.00 VDC
• Output Impedance 100 Ω
• Update Rate 3 Hz
EXTERNAL TRIGGER INPUT
• Optically coupled
• 100 Ω in series with LED
• Rising/falling edge trigger via user control.
ELECTRONIC A CCURACY
• Analog output ±1%
• Digital display ±1%
SYSTEM ACCURACY
• Pyroelectric probe ±5%
• Thermopile probe ±3% (with wavelength correction)
MAXIMUM PYROELECTRIC PULSE WIDTH
• 8 ms