Inputs | 4 channels (common ground), digital / contact signal detection Can detect open-collector signal at contact input |
Input resistance | 1 M-ohm (digital input, at 0 to +5 V), at least 500 k-ohm (digital input, at +5 to +50 V) |
Pull-up resistance | 2 k-ohm (contact input) |
Threshold level (at digital input) | +1.4 V, +2.5 V, +4.0 V |
Detect resistance (at contact input) | open at least 1.5k-ohm / close at 500-ohm or smaller, open at least 3.5k-ohm / close at 1.5k-ohm or smaller, open at least 25k-ohm / close at 8k-ohm or smaller |
Response time | 500 ns maximum |
Max. allowable input | 0 to +50 V DC |
Dimensions, mass | 62 mm(2.44 in)W × 94 mm(3.70 in)H × 20 mm(0.79 in)D, 150 g (5.3 oz) Input cord length: 30 cm(0.98 ft), Connection cord length: 1.5 m(4.92 ft) |
Accessories | IC clip lead (1), Alligator clip lead (1), Carrying case (1) |