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in Lock-in Amplifiers
Item ID: 2626

Offered 2 Offered at Best Price


Two Phase Lock-in Amplifier

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Location: Scotia, New York, United States
Unit Price Unstated
Number of Units 2
Manufacturer Ithaco
Model 3961B
Description Amplifier/Two Phase Lock-In
Interface RS 232
Other Information 

System: Two phase with tracking input filter
Input system:

  • Sensitivity: 100nVT 1V full scale in 1-3.16-10 steps(15 ranges) max resolution 1nV max
  • Frequency range: 0.5 Hz to 200 kHz
  • Input type: single ended or true differential
  • Input impedance: 10mÙ parallel capacitance 40 ± 10pF
  • Common mode rejection ratio: 110dB or greater
  • IEEE port
    More information available
Power Requirements 120/220 V     2.0 A     1.0 A(2)     47-63 Hz     1¬†Phase
Condition Excellent
Exterior Dimensions 
  Width 17.000  in  (43.2 cm)
  Depth 20.000  in  (50.8 cm)
  Height 5.250  in  (13.3 cm)
Weight 31  lb  (14 kg)

Shipping & Handling:

Unless otherwise stated, all items will be fully tested and sold with our standard ninety day warranty, which is described in our terms and conditions. 
Our standard procedure is to service the equipment as orders are placed. Lead times can vary depending on the item.
Domestic and International shipments: Ex Works, Scotia, NY. All freight cost estimates are for dock to dock service only.
Any additional services, i.e. lift-gate, inside or residential delivery, must be requested at the time of sale and will be billed accordingly.
CBI is not responsible for any damage incurred during shipment. It is the buyer's responsibility to inspect packages for damage and to note any damage on bill of lading.
Please feel free to call us with any questions. (Phone: 518.346.8347, 844-833-8347, Fax: 518.381.9578).


We offer terms of net 30 days to all companies that have established credit with Capovani Brothers Inc. and have paid within terms.
All federal, state, local governments and their agencies, as well as institutions of higher learning automatically receive terms.
All other sales, including foreign sales, are prepayment only.
MasterCard, VISA, and Discover Card are accepted.