Manual Differential Counter Manual Differential Counters have been time tested for decades in the clinical laboratory. All manual counter feature heavy duty cases that are rustproof, acid and alkali resistant; Full white blood cell maturation strip chart; Dual reset knobs; Wide base with rubber feet for stable use; And signal bell (when total of 100 cells have been counted). FeaturesThree Models: Manual differential counter with 2 keys, 5 keys or 8 keys WBC Maturation series Picto-strip Rustproof, acid and alkalis resistant heavy duty case Full white blood cell maturation strip chart Dual reset knobs Stable and wide base with rubber feet Signal bell for counting 100 cells Company: Shanghai All-Time Commercial Co., Ltd.
