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Model 2241

This instrument is a general purpose, digital ratemeter with a built-in scaler that facilitates timed counts over a user specified period. The LCD presents readings in a 4-digit moving decimal format together with one of a wide range of available units of measure and is accompanied by several operational and alert icons. The LCD backlight can be activated and remains lit for a user-adjustable interval. This instrument features adjustable Alert and Alarm setpoints for both the Ratemeter and Scaler modes. Front panel controls include a rotary switch for selecting between Off, Ratemeter Mode and Scaler Mode; switches for audio on/off and fast/slow response time; and push-buttons for activating the LCD backlight and for either resetting the counts or acknowledging alarms.


  • Digital Ratemeter with Built-In Scaler
  • Auto-Ranging
  • Adjustable Alarms
  • Wide Range HV
  • Overrange & Overload Protection
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