| Inputs: |
4 channels (common ground between this unit and the channels), digital and contact signal detection (can detect open-collector signals at contact input) |
| Input resistance: |
1 M-ohm (when digital input is 0 to 5 V), at least 500 k-ohm (when digital input is 5 to 50 V) |
| Pull-up resistance: |
2 k-ohm (contact input, when 5 to 50 V) |
| Detect resistance: |
opens from 1.5 k-ohm/closes from 500 ohm, opens from 3.5 k-ohm/closes from 1.5 k-ohm, opens from 25 k-ohm/closes from 8 k-ohm |
| Permissible response pulse width: |
100 ns or more |
| 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) |