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Model 2131 Digital Display With Peak Hold/Retention Description A plug-in module that provides real-time digital readout on channel-by-channel basis. Will accept and switch up to 10 inputs. Peak hold/retention capability is provided with the Model 2131. Peak Reset: Provides manual or automatic reset. Digital Display: 3-1/2 Digit LED, + 1999 counts. Peak Mode On: On/off switch. Peak Mode Max/Min: Selector for maximum or minimum peak mode. Channel Selector: Positions 1-10 select input channel for display. Pilot Lamp: Indicates main power. Power Switch: Main power on-off. Attenuator: Attenuates input signal to increase measurement range. Specifications   Input Capability: 10 channels, BNC (rear panel). 1 channel, banana jacks (front panel). Switched Output: Not attenuated, BNC (rear panel). Update Rate: 3 readings/sec, nominal. Input Voltage Range: + 1999 mV. + 10V (X10 range). Input Impedance: Greater than 1 megohm. Common Mode Input Range: + 10V (rear-panel input). Accuracy: + (0.05% reading +0.05% full scale) or better (Peak Mode Off). Step-Input Response: + 5 counts for 10 msec full-scale step input (worst case). Storage Stability: + 3 counts/min (max). Peak Modes: MAX (usually positive) excursion and MIN (usually negative) excursion. Peak Reset: Manual or Automatic. Size: 5.25 H x 2.94 W x 10.97 D in (133 x 75 x 279 mm). Weight: 2 lb (0.8 kg). Page 6 of 9