Memmert Waterbath WNB 22
Waterbath WNB 22

The combination of corrosion-resistant stainless steel, precise electronics and multiple temperature protection guarantees the highest level of safety in the laboratory.


Setting temperature range : +10 to +95 °C and boiling stage
Working temperature range in °C : min. 5 above ambient up to +95 °C with additional boiling mode
Control of standard components
Temperature sensor :  1 Pt100 sensor class A in 4-wire-circuit
Timer :  integrated digital timer from 1 min. to 99,59 hours for: ON continuous operation WAIT (delayed on for continuous and limited timed operation) HOLD
Heating concept
Heating Baths : corrosion-proof large-area heating on three sides
Standard equipment
Controller : digital display (LED) of set and actual temperature (0,1°C resolution) and of (remaining) programme time
Stainless steel interior
Dimensions W x H x D in mm : w(A) x h(C) x d(B): 350 x 220 x 290 mm
Interior :  easy-to-clean interior, made of stainless steel, reinforced by deep drawn ribbing, material no. 1.4301 (ASTM 304), laser-welded
Volume :  22 l
Liquid level min. : (H) 177 mm
Liquid level max. :  (I) 200 mm
Electrical data
Voltage :  230 V, 50/60 Hz
Electrical load :  approx. 2000 W (during heating)
Ambient conditions
Installation : The vent openings in the left and back side must remain unobstructed. Minimum wall spacing on all sides is 80 mm. The minimum spacing from the top of the bath to the next ceiling is 750 mm.
Ambient temperature : +5 °C to +40 °C 
Humidity RH :  max. 80 %, non-condensing
Overvoltage category : II
Pollution degree :  2



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