400315.01 | Hot plate and four position magnetic stirrer with ceramic-coated aluminium top plate, PT100 temperature sensor and advanced PID temperature control (WH420)

Key Features

• Advanced microprocessor-controlled heating system ensures reliability and temperature stability
• Four heating positions with independent control of stirring speed at each position
• Timer function
• Easy-to-clean anti-corrosive top plate made of ceramic-coated aluminium
• Bright and clear LED displays temperature, stirring speed, time and safety temperature
• Sealed outer shell and isolated critical parts extend operating life even in harsh operating conditions
• Drainage system above control board to prevent liquids accessing instrument interior
• External PT100 temperature sensor connection for direct and precise control of the actual temperature. A PT100 sensor is included with the purchase of the instrument.
• High temperature indicator and over-temperature shut-off for operator safety
  

Description

The WH420 advanced microprocessor-controlled hot plate and magnetic stirrer from Wiggens features an easy-to-clean anti-corrosive top plate made of ceramic-coated aluminium and a bright, clear LED that displays temperature, stirring speed, time and safety temperature. The WH420 has four heating positions with independent control of stirring speed at each position with a maximum stirring capacity of 2 litres (water) per position.

The WH420 has a sealed outer shell and isolated critical parts to extend operating life even in harsh operating conditions and a drainage system above the control board to prevent liquids accessing the instrument's interior.

The WH420 has a connection for a PT100 temperature sensor (included with the purchase) to allow for external temperature control. A high temperature indicator enhances operator safety during operation.

More Information

The following items are included with the purchase of the WH420:

Part Number	Product Description
400315	WH420 magnetic stirrer with ceramic-coated aluminium hot plate
PT100-01	PT100 temperature sensor (Type 1) Length: 170 mm Diameter: 4 mm Material: Stainless steel Operating range: -30 to +300°C
PT100-05	Holder and clamp for PT100 temperature sensor

Optional Accessories

Part Number	Product Description
PT100-02	PT100 temperature sensor, Type II Length: 300 mm Diameter: 4 mm Material: Stainless steel Operating range: -30 to ~+300°C
PT100-03	PT100 temperature sensor, Type III Length: 170 mm Diameter: 4 mm Material: Stainless steel, PTFE-coated Operating range: -30 to ~+250°C
PT100-04	PT100 temperature sensor, Type IV Length: 300 mm Diameter: 4 mm Material: Stainless steel, PTFE coated Operating range: -30 to ~+250°C
PT100-06	PT100 temperature Sensor, Type VI Length: 250 mm Diameter: 4 mm Material: Glass Temperature range: -30ºC ~+300°C

Specifications

Manufacturer	Wiggens
Model number	WH420
Display mode	LED
Top plate material	Ceramic-coated aluminium
Maximum hot plate temperature	300ºC
Maximum solvent temperature (PT100 sensor)	300ºC
Temperature stability  (PT100 sensor)	±2ºC
Safety temperature	370ºC
External temperature sensor	PT100
No of stirring positions	4
Stirring speed range	150 rpm - 1500 rpm
Heating capacity	1000 W
Maximum stirring capacity (water)	2 L per position
Timer	1 minute to 99 hours and 59 minutes or continuous
PID parameters	1 set of PID
Interface	RS232
Top plate dimensions  (W x D)	(160 mm x 155 mm) x 4
Instrument dimensions  (W x D x H)	320 mm x 405 mm x 80 mm
Weight	8.5 Kg
Power supply	220 VAC: 50/60Hz

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