DB-4S, Dry block thermostat for strips


Thermostat DB-4S is designed for maintaining constant temperature of samples in tubes inserted in the aluminium block sockets. Unprecedented high precision and uniformity of temperature over the block. DB-4S is widely used for PCR–analysis.

Microprocessor controlled temperature and time. Simultaneous indication of set and actual temperature and time.


Temperature setting range +25°C ... +100°C
Temperature control range 5°C above ambient ... +100°C
Temperature setting resolution 0.1°C
Temperature stability at +37°C ±0.1°C
Temperature uniformity at +37°C ±0.1°C
Digital time setting 1 min–96 hrs / non–stop (increment 1 min)
Display LCD, 2х16 signs
Digital indication of temperature and time +
Number of sockets 0.2 ml × 32 tubes or 4 × 0.2 ml PCR strips
Overall dimensions (W×D×H) 140x120x70 mm
Weight 0.7 kg
Input current/power consumption 12 V, 850 mA / 10.2 W
External power supply Input AC 100–240 V; 50/60 Hz; Output DC 12 V

Cat. Nr.

DB-4S incl. external power supply unit
BS-010420-AAA 230VAC 50/60Hz Euro plug
BS-010420-AAK 230VAC 50/60Hz UK plug
BS-010420-AAK 230VAC 50/60Hz AU plug
BS-010420-AAK 100VAC 50/60Hz US plug
BS-010420-AAK 120VAC 60Hz US plug
BS-010420-BK IQ OQ document
BS-010420-CK PQ document