Electro Rent Corp. on Monday said that it fiscal second-quarter earnings soared 77 percent on business from an acquisition, a new contract and higher rental demand for its equipment.

The Van Nuys leaser of electronic test equipment, personal computers and servers reported net income of $7.1 million (30 cents per share) for the quarter ended Nov. 30, compared with $4 million (17 cents) a year earlier. Revenue rose 46 percent to $53.3 million.

The company said revenue growth was boosted by its March acquisition of competitor Telogy and a large exclusive contract with Agilent Technologies, which makes measurement systems such as chromatography machines. Its North America and European markets also are seeing a recovery in demand from the downturn.

“As we continue to broaden our potential customer base and grow market share, we are enthusiastic about our ability to continue delivering improved financial results and reinforcing our position as the clear leader in our segment,” said Chief Executive Daniel Greenberg in a statement.

Shares closed up 64 cents, or 4 percent, to $15.92 on the Nasdaq.