General Purpose Hot Plates 

   Model HP66 shown with standard analog thermostat

”ST”, and optional finger rest on one side.

    Model HP-1212 shown above with optional "RS" heat soak thermostat, which is 3ft remote from hot plate.

    Model HP-1218 with standard "ST" analog thermostat.

   Model HP5D "Bell Jar" hot plate with optional D digital themostat. The plate shown here has an optional ceramic coated steel plate to resist corrosive spillage.

Chart of Sizes & Voltage for General Purpose Models
Square & Rectangular Plates

Model	Plate Size Inches	Overall Size Inches 4” High	Volts
HP 66	6 X 6	7 X 7	120
HP 86	6 X 8	7 X 9	120
HP 99	9 X 9	10 X 10	120
HP 1212	12 X 12	13 X 13	120 240 1PH
HP 1218	12 X 18	13 X 19	120 or 240 1PH
HP 1224	12 X24	13 X 26	240 1PH
HP 1236	12 X 36	13 X 37	240 1PH
HP 1818	18 X 18	19 X 19	240 1PH
HP 1836	18 X 36	19 X 37	240 1, 3 PH
HP 2424	24 X 24	25 X 25	240 1PH or 3PH
HP 2448	24 X 48	25 X 49	240 1PH or 3PH

 

Round Hot Plates

HP5D	5 dia	5 dia	120
HP8D	8 dia	8 dia	120
HP 12D	12 dia	12 dia	120
All models include standard thermostat. See thermostat selection chart for optional thermostats.

Chart of available Analog and Digital Thermostats

Model	ST-STANDARD	AH	D	RS	PR
Type	Analog-Medium	Analog-high	Digital	Digital	Digital
Range	120-570 F 49C-300C	0-1000F,540C	0-999F, 999C	0-1500F,815C	0-1500F,815C
Accuracy	5% of set point	2% of Set Point	1% of Set Point	1% of Set Point	1% of Set Point
Output	1 contact	1 relay	2 relays	2 relays	2 relays
Features	Numbered dial in degrees F & C	Numbered Dial in degrees F & C	Digital Display Set & Process Temp.Auto-Tune PID Alarm Circuit	Digital Display Set & Process Temp Auto-Tune PID Alarm Circuit Ramp Soak 31 Programs 126 Segments	Digital Display Set & Process Temp, Auto-Tune PID Alarm Circuit Ramp Soak 31 Programs, 126 Segments 4-20 MA additional output for recorder or other device

   Choose from built-in or remote control models; Stainless steel case is strong, noncontaminating, and resists corrosion; Standard models feature aluminum top plate to maintain uniform temperaure and low temperature control (38°C); Remote control models feature sturdy cast iron tops; resist corrosion in hostile environments; Top plates offer 39 square inches of heating surface; 750 watts of heating power handle large loads.

   This line of hot plates offers 39 square inches of heating surface and a temperature range up to 371°C (482°C for remote control units). Standard Units offer superior temperature stability of ± 3°C from 38 to 371°C. The demand-type thermostatic control responds quickly to any change in surface temperature, and the aluminum top provides excellent temperature uniformity. The units feature a cycle light that indicates when power is being supplied to the heating element. Glass vessels are recommended for use on these models. Remote Control Units are ideal for use in fume hoods and other applications in which the control must be placed outside of a hostile environment. The cast iron top provides maximum strength and improved corrosion resistance. The temperature control is housed in a separate case with five feet of power cord. A thermometer well accommodates an optional thermometer. All units come complete with 3-wire cord and plug.

Very Low Profile Hot Plates

  Model HP 086 includes many features found only in high-priced hot plates. This low profile, self-contained unit is only 2.75 H x 14 W x 10 D for use under a microscope.  Temperature is controlled with an accurate digital thermostat up to 455F / 235C (see model "D" in thermostat chart). The anodized 6 x 8 plate maintains a surface uniformity of 2% at 300 F (150C). An insulated finger rest assures operator comfort. HP086 operates on 120 V and is a good substitute for OK MODEL 570.

   Model HP 99OZ  A 9 X 9" hot plate shown with finger rests on 3 sides, only 1.75 in high. This hot plate is controlled with an “RS” ramp-soak thermostat control.

Model HP 1212OZ shown with optional digital thermostat 

   MODEL HP66M features a 6x6" anodized aluminum plate controlled with a 0-550F thermostat.  Comes complete with a 120V line cord, fuse, and illuminated on-off switch. Stands only 1.5 in high.

High Temperature Hot Plates 

   Model HP99YX  with  stainless steel plate and “RS” remote control for operation up to 1500F (815C). .A ceramic plate or ceramic-coated steel may also be used for this temperature.

 Specs for High Temperature Hot Plates

 High Uniformity Hot Plates

  Model HP99U with high uniformity control, will decrease any point to point  plate temperature variation to as close as 2% of set point.

  NOTE: High Uniformity is available in any type except High Temperature models.

Hot plates for Hazardous Locations

    Model HP1224E shown with a thermometer mounted in the plate.

   NOTE:  Wenesco can provide this configuration with any size hot plate, and we can also introduce nitrogen to inert a sealed hot plate and a remote thermostat control.

Coated Hot Plates

   Model HP1419, Teflon coated to prevent heated materials from sticking  to the plate surface. This model can be combined with any listed thermostat

Special hot plates

   Special 12 X 18 in hot plate with pneumatic lifter pins, to raise the flat heated assembly Ѕ inch, so that it can be removed without burning fingers. The hot plate is controlled with a “DI” digital thermostat.

   Model HP2424 shown with optional “AH” analog thermostat 3 ft. remote and optional stand.

Here are some of the special possibilities...  

Sizes we have made for customers: from 4x4 inches up to 48x64 inches; High-power hot plates are designed for rapid heatup and heavy work loads; Heavy-duty hot plates for work loads up to 2,000 pounds; Flanges for mounting into a hole on your work table; Finger rests so operator can perform delicate tasks without burning fingers; High temperature hot plates - up to 1500°F (793°C); Special voltages; Heavy duty stand - you choose length of legs; Portable insulated hood to convert hot plate into an oven.

Stainless Steel Top Hot Plate

   Durable stainless steel top plate is 4" in diameter; provides 12.5 square inches of heating surface. Features thermostatic control “preset” at 399°C. Reaches maximum operating temperature in only 8 minutes.

   This unit is ideal for a wide range of applications from sample drying to evaporating liquids. It keeps a low profile - only 3" high - and so is ideal for cramped work areas. This UL-listed hot plate comes complete with a perforated stainless steel case that keeps the bench top cool. All units come complete with 3-wire cord and plug.

Aluminum Top Mini Hot Plate 

  Compact unit occupies just 13.5 square inches of bench top surface. Machined cast-aluminum top provides excellent heat transfer, 9.5 square inches of heating surface. Reaches 260°C in just 4.5 minutes

   This extremely compact unit features an infinitely adjustable, demand-type control that provides ± 5°C temperature control over the entire operating range. It is ideal for volumes under 500 ml. Its perforated stainless steel case allows air to circulate to protect controls and the bench top. All units come complete with 3-wire cord and plug.

Large-Capacity Hot Plates

   Aluminum top plate outperforms other materials and provides large heating surfaces—144 or 288 square inches- and excellent heat transfer, temperature uniformity and stability. Demand-type thermostatic control holds heating surface to ± 3°C at 100°CStainless steel case provides strength for heavy loads of up to 40 lb (18.2kg). Both UL and CSA models available

   These large-capacity units are designed to handle one large vessel or numerous small ones. Their high-wattage input makes them ideal for big heating jobs. Note: 12" x 24" top plate models are not supplied with cord and plug due to their high wattage consumption requirements. For safest operation, we recommend the use of a power conditioner or non-interruptible power supply.

Cimarec™ Ceramic Top Hot Plate

   Feature Cimarec® solid top formed of pure, performance-engineered ceramic material. Percentage input controller provides infinite temperature selection. Reach a maximum operating temperature of 538°C (1000°F) in just 8 minutes.

Choose from three sizes

   These Cimarec® ceramic top plates offer high impact strength and acid and alkali resistance. Their unsurpassed flatness ensures maximum heat transfer, and the reflective bright white color enhances visibility. A rugged cast-aluminum body provides stability and durability, and a power indicator light is illuminated whenever power is applied to the control.

   Choose from three distinct sizes: Cimarec 1 provides 4" x 4" of heating surface; Cimarec 2 provides 7" x 7" of heating surface; Cimarec 3 provides 12" x 12" of heating surface.

   All units come complete with 3-wire cord and 15A plug, except No. 4000-90, which features a 20A plug for a 20A receptacle. All models are CSA listed.

Explosion-Proof Hot Plate

   UL-listed explosion-proof for Class 1 locations, Group D atmospheres (contact Terra for a complete list of these locations/atmospheres). Provides 36.5 square inches of heating surface. Offers a temperature range from 38°C to 220°C.

   Thermostatic safety, set at 243°C, provides added protection if primary control fails. These corrosion- resistant, easy-to-clean units are specifically designed to ensure safe heating in potentially explosive situations! Their cast-aluminum top plate provides effective heat transfer, and all controls are contained in an aluminum housing, protected from the explosive atmosphere. The demand-type thermostat holds top plate to within ± 5.5°C of the desired temperature. Select the optional dial thermometer (below) for temperature monitoring. Comes complete with .5" conduit and 18" of lead wire for electrical hook-up as per UL requirements. 

Dial Thermometer

   Optional dial thermometer is used to monitor top plate temperature on explosion-proof hot plate. 1.0" diameter face, .250" stem x 2.5" length. 0°-300°C scale range.

Remote Control Hot Plate

   Designed for remote control operation in fume hoods or other corrosive environments; Ideal for wet processing stations; Porcelain-coated stainless steel top plate combines chemical resistance and physical strength; Feature large heating surface (144 or 288 square inches); Covered line cord and stainless steel construction.

   These hot plates feature a remote control unit, housed in a baked-on enamel steel case that can be positioned up to five feet from the hot plate, letting you control operations at a safe distance. The line cord from the hot plate to the control is protected by a special chemically-resistant cover, and the case is constructed of stainless steel for maximum corrosion resistance. Each of these units comes complete with a five foot, 3-wire cord and plug. A powerlight indicates when control is turned “on.".

Nuova™ Hot Plates

   Low profile design is only 3.5" high; Porcelain-coated stainless steel top provides excellent corrosion; Resistance plus thermal shock protection; Features 49 square inches of heating surface; Die-cast aluminum case provides durability and long life.

   These versatile units feature a one-inch long drip edge on top that provides protection to internal components in case of accidental spillage; they are thus ideal for sample drying and evaporating liquids. Their demand-type thermostatic control holds the top surface temperature within ± 5°C at 371°C. All units include an integral ringstand holder to accomodate .5" (1.3cm) diameter support rod.

Nuova™ Hot Plate/Stirrers

   Provide excellent, stall-free low-speed stirring; Low profile design is only 4.5" high; Porcelain-coated stainless steel top provides excellent corrosion resistance plus thermal shock protection; Feature 49 square inches of heating/stirring surface.

   Like the standard Nuova™ units, these versatile hot plates feature a one-inch long drip edge on top that provides protection to internal components in case of accidental spillage; they are thus ideal for sample drying and evaporating liquids. They add a stirring mechanism that provides uniform low-speed stirring without stalling. Their demand-type thermostatic control holds the top surface temperature within ± 5°C at 371°C. The aluminum housing dissipates the heat of the motor and control, preventing heatup of the stirring surface during stirring-only operations. Comes with Teflon® coated stirring bar (2" x .38" in diameter) and a three-wire plug cord and plug.

Digital Hot Plate/Stirrers

   Provide precise temperature, time and stirring speed controls in a wide range of laboratory applications; Digital operation ensures ease of use and repeatable results; RTD Sensors and microprocessor controls allow controlled heating and cooling rates (“ramping”); Temperature can be controlled at plate surface (by internal sensor) or at the sample (by optional probe); Available with 7" x 7" or 10" x 10" tops and one, five or nine stir positions; Ideal for critical operations in microelectronics, pharmaceuticals, and other industries.

   These Hot Plate/Stirrer designs are based on years of experience in precision heating and stirring equipment. They guarantee the precision and repeatability required in critical laboratory processes, and their versatility allows a wide range of applications in many industries, from single-cycle R&D work to fully automated production under program control.

Aluminum-Top Hot Plates

   These instruments provide the precise, reliable heating of our Hot Plates/Stirrers, but without stirring capabilities. They feature milled flat aluminum tops for fast heat dissipation, in 7" x 7" or 10" x 10" sizes.