POWER SUPPLY FOR HOFFMAN'S VOLTAMETER SN542
Power supply unit with EMI/EMC filter for Holffman’s voltameter.
Parameters
Output Voltage : 12 V DC unregulated
Output Current : 2.5 Amp
Working Voltage : 230 V AC, 50 Hz
HOFFMAN’S VOLTAMETER SC140
Chemical composition of water by volume and the electrochemical equivalent of hydrogen by electrolysis of water can be demonstrated using this. It is provided with a platinum electrode pair, carbon electrode pair, two stop cocks and a graduated limbs (capacity 50ml).Platinum electrodes can be mounted in rubber stoppers at the base of two limbs for electrolysis of water. After electrolysis hydrogen and oxygen gas will be collected in two limbs at the apex. Carbon electrodes are used for electrolysis of HCl or NH3 solutions. It is fixed on a metal stand. Operatable at 12 V DC, 2.5 Amp.
HOFFMAN’S VOLTAMETER SA395
Same as above SC140 but supplied without stand and clamp.
ELECTRODES PAIR MOUNTED IN STOPPER [a]
SC672 Platinum
SC673 Carbon
SPIRIT LAMP STAINLESS STEEL SC009
Capacity : 100ml
BUNSEN BURNER
Nickel plated burner tube with easily rotatable air regulator and a cylindrical riffled connector. The burner is mounted on an enamelled pressed-steel base. Burner tube: 100x13mm,heightxdia, base: 80 mm dia. Overall height: 140mm,Connector: 10 mm o.d.
Natural gas(Methane) Burner SH314
Bottled gas (Propane & Butane gas) Burner SH315
SPRING BALANCE TUBULAR PLASTIC SET OF SIX SV193
Made of Transparent acrylic pipe. Spring mechanism is clearly visible. Provided with zero adjustment and two hooks. Scaled and calibrated in both grams and newtons. Capacity 250gm/2.5N Blue, 500gm/5N Green, 1000gm/10N Biege, 2kg/20N Red, 3kg/30N White & 5kg/50N Yellow.