Bio Rad Model 200/2.0 Power Supply with Trans-Blot SD

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The Bio-Rad Model 200/2.0 Power Supply gives you constant voltage and microprocessor control for use in blotting applications as well as nucleic acid electrophoresis. This electrophoresis power supply has adjustable voltage from 5 to 200 volts, producing 200 watts of power, with a current limit function. The Bio-Rad Model 200/2.0 Power Supply has two operating modes, standard for when you want to run electrophoresis manually, or a time function for when you want a session for a set time period. Other features for this power supply include 3 speed adjustment buttons to adjust parameters quickly, automatic switching to constant current if the current exceeds the limit, automatic no load sensing, and a continuous monitoring of load resistance, power output and volt hours during the run.

This Bio-Rad Model 200/2.0 Power Supply also comes with a Trans-Blot SD semi-dry electrophoretic transfer cell. This transfer cell makes semi dry blotting easy to set up, and easy to use. A platinum coated titanium and stainless electrode pairing gives you efficient, background free blotting. The Trans-Blot SD semi-dry electrophoretic blotter is not compatible with chlorinated hydrocarbons, aromatic hydrocarbons or acetone.

 Bio-Rad Model 200/2.0 Power Supply Specifications:

Output voltage 

5-200 volts DC, continuously adjustable

Output current 

0.01-2.0 A, continuously adjustable

Output terminals 

Floating dual output jacks in parallel

Set limits Current: 

0.01-2.0 A, 0.01 A steps, fully adjustable


200 watts maximum output

Automatic crossover 

upon reaching limit.

Timer control 

0.1-99.9 hours, 0.1 H steps, continuously adjustable

Set point resolution Voltage:

 ± 1 V, 5-200 VDC

Current limit: 

± .01 A, .01-2.0 A

Time set: 

+ 0.1 H, 0.1-99.9 hours

Readout accuracy Voltage: 

+ 1 V

Current limit:

+ .05 A


2 seconds per hour

No load detection 

LED display and alarm

Operating temperature 

0-35 °C

Operating humidity 

0-95%, in the absence of condensation

Line voltage (frequency)

100/120 V model 90 - 132 VAC (47-63 Hz)

220/240 V model 198 - 264 VAC (47-53 Hz)

Line regulation 

± 3% or less

Load regulation 

± 5% or less

RMS ripple and noise 

Less than 5% at 100 VDC and 1 A. Less than 7% at any load (not exceeding current limit)


± 1 volts

Dimensions (W x L x H) 

16.5 x 31 x 13.5 cm


 5.45 kg

Trans Blot SD Semi Dry Electrophoresis Transfer Cell Specifications:

Trans-Blot SD body 

Molded polycarbonate


Platinum-coated titanium


Stainless steel

Anode platform 

Precision machined acrylic

Overall size 

37 cm x 24 cm x 11 cm

Maximum gel size 

25 cm x 18.5 cm

  • Bio-Rad Model 200/2.0 Power Supply
  • Trans-Blot SD Semi-Dry Tranfer Cell
  • Power Cord
  • Voltage Lines
  • Manual
  • Warranty

This Bio-Rad Model 200/2.0 Power Supply has been tested and performed to expectations. All of our lab equipment comes backe with our standard warranty. Should you have any questions, please don't hesitate to contact us.

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