Code: PHHE0161

Demonstrates the difference in conductivity of two different substances. Comprises two identical looking square blocks but of different materials, one of thermal conducting material and other of thermal insulating material. On placing ice on both of them, ice melts faster on one of them showing the difference in their conductivities.

Code: PHHE0165

A special heater designed for use with metal block calorimeters. This fully sheathed miniature heater has a heating element enclosed in a stainless steel tube with two flying leads, having heat resistant insulation, coming out of the sealed tube body for electrical connections. Operates on 12 volts and rated 50 watts.

Code: PHHE0169

Single piece calorimeter, spun into cylindrical shaped vessel, seamless, with rolled rims at the top. Sizes (height × diameter) available are 1060700/1 50×25mm 1060700/2 75×50mm 1060700/3 100×75mm

Code: PHHE0173

Single piece calorimeter, spun into cylindrical shaped vessel, seamless, with rolled rims at the top. Sizes (height × diameter) available are 1060720/1 50×25mm 1060720/2 75×50mm 1060720/3 100×75mm

Code: PHHE0177

Double vessel calorimeter with inner smaller vessel of size 75×50mm (height × diameter) positioned inside another copper vessel of size 100×75mm (height × diameter) and is surrounded completely with felt except on top to provide adequate thermal insulation. The vessels have a bakelite lid for thermal insulation at the top and a hole with slot for thermometer and stirrer respectively. Outer vessel fitted with detachable clip type thermometer support at its side. Supplied complete with stirrer but without thermometer.

Code: PHHE0181

Double vessel calorimeter with inner smaller vessel of about 300ml capacity positioned inside bigger aluminium vessel of about 900ml capacity with air insulation between them to minimize heat loss. The vessels have a insulated plastic lid for thermal insulation at the top and two holes – bigger one for holed rubber stopper to mount thermometer and smaller one for stirrer. Supplied complete with stirrer but without thermometer.

Code: PHHE0185

Copper calorimeter similar to Cat No. 1060700, but with bakelite lid at the top fitted with rubber stopper for thermometer and metal stirrer. Sizes (height × diameter) available are 1060780/1 75×50mm 1060780/2 100×75mm

Code: PHHE0189

Aluminium calorimeter similar to Cat No. 1060720, but with bakelite lid at the top fitted with rubber stopper for thermometer and metal stirrer. Sizes (height × diameter) available are 1060800/1 75×50mm 1060800/2 100×75mm

Code: PHHE0193

The set comprises one smaller inner copper vessel of size 75×50mm (height × diameter) and one outer copper vessel of size 100×75mm (height × diameter). Inner vessel has each of its three legs supported on solid rubber stopper, which thermally insulates its base from the outer vessel. A copper lid for the outer vessel has a small tubule at the center for mounting thermometer through holed stopper and slit for stirrer. With the smaller vessel placed inside the bigger one, the air gap between their respective walls provides insulation to minimize heat loss. Supplied complete with stirrer but without thermometer.

Code: PHHE0197

Used for stirring the contents of the calorimeter to ensure uniform mixing for proper heat exchange. Made of metal wire of 1.5mm diameter; with insulated plastic handle at upper end and circular loop at bottom. Available in different metals. 1060840/1 Copper 1060840/2 Aluminium

Code: PHHE0201

Useful for experiments involving heating by means of steam or where continuous source of steam is needed. Made of heavy gauge aluminium sheet to provide sturdiness and durability for withstanding high boiling pressures, with riffled nozzle for steam outlet. Consists of boiler assembly, two rubber stoppers – one solid and one with a hole for thermometer, one sample cup with handle and tripod stand assembly.

Code: PHHE0205

Used as a source of steam, wherever needed in the experiments. Comprises a cylindrical copper body with a conical top having short neck for sealing the mouth at the top using rubber bung, and is fitted with a nozzle for steam outlet and loop handle. A transparent plastic tube connected vertically to the reservoir through small L-shaped tubules near top and bottom indicates water level to prevent dry heating of the boiler. Capacity – 2 liters. 1060880/1 Steam Boiler, economical design

Code: PHHE0209

Calorimeter vessel comprising of a nickel-plated copper calorimeter, placed inside a polished wooden box surrounded with felt to minimize the heat loss. The vessel is covered at the top with a bakelite cover which has a resistance coil mounted at the underside that terminates in binding posts on the upper side for electrical connections. The bakelite cover also has a slit for stirrer and a hole for suspending thermometer through a rod clamp arrangement on the wooden box. Supplied complete with stirrer but without thermometer. Sizes of calorimeter vessels (height × diameter) available are 1060940/1 75×50mm 1060940/2 100×75mm

Code: PHHE0213

Electrical energy consumed by a load with power is directly indicated on the front panel meter with a single selection switch. One can see either energy or power consumed by the applied load. Even we can use this instrument with data logger. A potential difference of 0-1V will generate on pulse output sockets. Max. input voltage for the meter is 24V D.C and 17V A.C with 10A max. current. Load current can be controlled by just rotating the knob fitted on the front panel indicated with load current.

Code: PHHE0217

Provides more accurate results. Comprises a smaller inner nickel plated copper calorimeter vessel 75×50mm (height × diameter), enclosed in an outer vessel 100×75mm (height × diameter) with felt lagging in between them for minimizing heat loss. A close fitting bakelite lid is provided with a resistance coil mounted at the underside so as to be positioned sufficiently inside inner vessel and a pair of 4mm terminals at the top for electrical connections. The lid has provision for thermometer and stirrer. The resistance coil has recommended working current of 0.5A with a maximum of 1A to minimize the local boiling of liquid. Supplied complete with stirrer but without thermometer. With inner vessel of about 300ml and outer vessel of about 900ml, both of aluminium instead of copper, and upper lid of transparent acrylic cover. Supplied complete with stirrer but without thermometer.

Code: PHHE0221

For specific heat Capacity experiments. Supplied in pack of 500g. 1061000/1 Aluminum Rivets 1061000/2 Brass Rivets 1061000/3 Copper Rivets 1061000/4 Iron Rivets 1061000/5 Lead Shots

Code: PHHE0225

Comprising six cylinders of diameter about 16mm, with weight of each cylinder adjusted to 100g. Includes one cylinder each of copper, lead, brass, zinc, iron and aluminum. Cylinders vary in length from 5cm to 19cm to get the same mass and are drilled across cross-section near one end for suspension. Metal cylinders rest in the cylindrical recesses drilled in a wooden block. Metal identification stamped on each cylinder. Can also be used in specific gravity / density experiments to compare their relative densities.

Code: PHHE0229

Comprising six cylinders of same size but of different mass and specific heats, one each of copper, lead, brass, zinc, iron, and aluminum. Size of each cylinder about 38 × 9.5mm (height × diameter). Useful for comparing the specific heats of their materials. Metal cylinders rest in the cylindrical recesses drilled in a wooden block. Metal identification stamped on each cylinder. Can also be used in specific gravity/density experiments to compare their relative densities.

Code: PHHE0233

Demonstrates the convection currents in air. Comprises a sheet metal box with open sliding glass front and two circular openings at the top for mounting glass chimneys. On the inner side, below each chimney, a candle holder is mounted. Air heated by a candle placed beneath one of the chimneys with glass door closed, causes the flow of convection currents, which can be observed by bringing a smoldering string near the top of other unheated chimney. Supplied without candles.

Code: PHHE0237

Useful for qualitative experiments in thermal radiation. The results can also be quantified using a suitable radiation sensor facilitating investigation of radiation from different surfaces at a single temperature or radiation from a single surface at different temperatures (Stefan-Boltzman's Law). Comprises a sheet metal cube of sides about 130mm with opening at the top, for pouring in water and inserting a thermometer through a holed rubber stopper. One each of the four vertical faces is finished black, varnished, roughened and polished. 1061080/1 Leslie's Cube, Economy, made of tinplate