Logo for Kent Scientific

High Performance Portable Reader

The portable GR-250 reader stores up to 3,072 readings with time/date stamp.

Save for later


Dimensions: 175 mm W x 114 mm H x 297 mm L
Weight: Approx. 1.3 kg
Battery/Power Requirements: Easily replaceable 12V rechargeable NiMH battery pack
Display: LCD (2 lines of 16 characters per line)
Humidity: 95% non condensing, splash proof
Storage Temperature: -28 to 66°C
Reading Distance: 240 mm
Interface: RS232, up to 192000 baud
Clock: Real time clock
Indicators: Red and green LEDs, buzzer
Memory: 8 KB RAM, 64 KB Flash
3,072 readings with time and date stamp
Operating Temperature: -17 to 49°C
Processor: Philips P89C668


  • Rugged, ergonomic design
  • Long reading ranges
  • Maximum read area
  • RS-232 port