| Feature: 1. Accurate mechanical structure and rich endurabity （DH-20 & DH-21) 2. A counter is attached to the cup assembly to count the number of cup drops. And you can concentrate upon the junction of grooves by cup drops.(DH-20 & DH-21) 3. It is designed to eliminate many human variables and to obtain more closely duplicate test results on the same soil by combining a small gear motor.（DH-21) 4. It takes compact design with a small and quiet motor, and has no vibration. （DH-21) |
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| Manual type Liquid Limit Device Model No. DH-20 |
Motorized Liquid Limit Device Model No. DH-21 |
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| Common accessory： Grooving tool DH-201 with gauge（1pc.) Spatula DH-40（1pc.） Case（1pc.) Specification (DH-21)： Cup drops speed: Two times per sec. (Japanese Industrial Standard degree) Motor:: Small gear motor type, AC 100V |
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