DIFFCOUNT™ III Electronic Differential Tally Counters

• Displays all channels simultaneously with large digits on bright backlit LCD display
• Hermetically sealed switches prevent count anomalies resulting from powdered gloves or other contaminants
• Compact keyboard with “soft-touch” keys facilitates increased counting speed
• Key assignment overlays available separately
• Alarm actuates every 100 counts with optional 100-count lockout
• Calculates percent and absolute WBC values with count correction
• Operating temperature range: 0° to 49°C (32° to 120°F)

Model 10-308 feature eight counting keys, plus PERCENT, COUNT, and CLEAR keys. Counting and total displays have three digits
Model 10-312 and 10-312P feature 12 counting keys, plus PERCENT, COUNT, WBC, and CLEAR keys. Each counting channel displays two digits; total displays three digits. Model 10-312P includes a RS-232 printer port.