The INVALCO Model 4200 is a meter-mount or wallmounted, programmable, battery operated, intrinsically-safe, rate/totalizer suitable for use in NEMA 4X weatherproof areas. As an option, the Model 4200 can be loop powered and supply a 4-20 mA output, or be powered from a 8-35 Vdc supply.
Specifications
| Display | Continuously powered LCD. |
| Accumulated Total | Six digits, 0.5″ (12.7 mm) high, resettable from the front panel. Five digit rollover count screen for totals of 1,000,000 or more. |
| Rate | Six digits, 0.5″ (12.7 mm) high. |
| K-Factor | Programmable, pulses per unit of measure, 0.001 to 999,999. |
| Timebase | Rate displayed in units per second, minute, hour or day. |
| Frequency Range | 0.0 Hz to 4250 Hz |
| Signal Type | Sinewave (20 mV P/P min), pulse reed switch, others |