Technical parameters:

1. Constant temperature bath

(1) Power supply: AC220V±10%, 50 Hz;

(2) Bath cubage: 8.5 L;

(3) Temperature range: 5.0~100.0℃ (Refrigerated by a compressor);

(4) Temperature accuracy: ±0.1℃;

(5) Circulated water quantity: 5L/min;

(6) Pump head: 1 m;

(7) Total power consumption: not more than 1000 W;

2. Penetrometer parameters

(1) Timing selection: 5 s or 60 s; timing error is less than ±0.1 s;

(2) Penetration accuracy: ±1 penetration;

(3) Maximum penetration: 600 penetrations;

(4) Standard needle: 2.5±0.05g; as per GB/T4509-8;

(5) The up and down holder can be adjusted freely, so that it is convenient to let needle tip just contact with sample surface;