The Martindale TEK905 is a reliable, 5 decade capacitance box, ideal for laboratory, educational and calibration applications. Capacitance values range from 100pF to 4.111µF, with a 5% accuracy. * Capacitance: ±5% grade 100 V DC variable from 100pF to 4.111µF in 5 decades * Typical residual (zero) resistance: <40pF * Operating environment: 0C to 50C at <70% RH * Dimensions: 345 x 71 x 51 mm * Weight: 489g approx