Memmert, Water Bath, WNB22, 22 liters

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Orders with delivery locations in other provinces will have delivery costs depending on the delivery location and negotiated in the contract with the customer.



– Volume: approx. 22 liters

– Interior: 350L x 220H x 290D mm

– Exterior: 578L x 296H x 436D mm

– Liquid level min./max: 177/200 mm

– Working temperature range: min. 5 0 C above ambient to 95 0 C with additional boiling stage.

– Temperature variation: ± 0.10C

– Temperature distribution: ± 0.250C

– Temperature sensor Pt100 class A

– Time setting: digital setter from 1 minute to 99 hours 59 minutes for: ON (continuous operation), WAIT (standby function for continuous operation and timed operation), HOLD (heat preservation function)

– Temperature control: mechanical temperature limiter TB protection class 1 switching the heating off at approx. 300C above max. temperature of the bath

– Temperature control: in case of overtemperature due to failure, the heating is switched off at approx. 100C above the set temperature (fixed value)

– Autodiagnostic system: microprocessor PID-temperature controller with integrated autodiagnostic system with fault indicator

– Heating baths: corrosion-proof large-area heating on three sides

– Controller: digital display (LED) of all set parameters, such as temperature and alarm values (0.1 0 C resolution) as well as time values

– Interior: easy-to-clean interior, made of stainless steel, reinforced by deep drawn ribbing, material no. 1.4301 (ASTM 304), laser-welded

– Stainless steel exterior

– Voltage: 230 V, 50/60 Hz

– Electrial load: approx. 2000 W (during heating)

– Installation: The vent openings in the left and back side must remain unobstructed The distance to the wall must be at least 100 mm on the sides. The minimum spacing from the top of the bath to the next ceiling is 750 mm.

– Ambient temperature: +5 0 C to 40 0 C

– Humidity: max. 80% RH, non-condensation


+ Stainless steel gable cover, code: B02643

+ Flat stainless steel cover with concentric ring sets for ring set openings: 6 opening / 87 mm diameter, code: B02682

+ Flat stainless steel cover with concentric ring sets for Peltier cooling: 6 opening / 87 mm diameter, code: B04552

+ Peltier cooling device, CDP115

+ Installation and conection set for Peltier cooling device CDP115 (including mounting bars for all different bath sizes), code: B02770

+ Shaking device, code: SV1422

+ Support basket with perforated mounting shelf (stainless steel) with grid perforations to take clips for conical flasks, code: B48181

+ Calibration at Memmert factory for a temperature value: 37 o C, code: D00123

+ IQ/OQ documents, code: D00125

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