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Specifications

Range: 0-100% O2
Low Alarm Range: 18 - 99%
High Alarm Range: 18 - 99%
Display Resolution: 0.1% O2 increments
Accuracy: +/- 1% of full scale
Linearity: +/- 1% of full scale
Alarm Accuracy: Exact to display e O2 value
O2 Alarm System: Hi/Lo O2 Alarm: pulsating tone, flashing red LED
Low Battery Alarms
(Two Stages): 1st Stage: "LOW BATTERY" will appear on the display, pulsating audible tone.
2nd Stage: Instrument shuts down, "OFF LOW BATTERY" will appear on the display, pulsating audible tone.
Warm-up Time: None required
Operating Temperature Range: 0 to 40 C (32 to 104 F)
Storage Temperature Range: -20 to 55 C (-4 to 131 F)
Humidity: 0 to 95% RH
Power Requirements: One 9 Volt alkaline battery
Battery Life: Approx. 1,500 hours
Dimensions: 6" x 3 1/2" x 1 3/8"
Weight: 13.4 oz. (379 gm)