The VisiPak model V108 is a compact, 4 digit indicator (with alarms) that fits 1/8 Din cutouts. It accepts temperature inputs from J, K, T, L, N, R, S, B, C and Platinell II type thermocouples and three-wire Platinum 100 Ohm (Pt100) RTDs. Process variables such as 4-20mA or ranges within -9.99 to 80mV can also be measured. Other thermocouples such as D and E types or custom curves can be configured at the factory. Voltages ranges up to 0-10V can be measured with the optional (model SUB2-1V1) adapter.

Three programmable setpoint alarms can be field configured as rate of change, high or low, non-latching and high or low or new, latching alarms. The new alarm indicates the situation when a latched alarm has not been acknowledged and the measured value crosses the setpoint trip level for the second time. Alarm hysterisis (deadband) can be configured from 1 to 9999 process variable units. Each alarm has a programmable delay up to 999.9 seconds.

The alarms can be linked to either of the relay outputs. These alarms can be configured in combination (e.g. one or all three alarms linked to one or both relays) and they will operate in fail-safe (e.g. normally energized) or non-fail-safe modes. Additionally, the display can be configured for password protection, limiting access to any or all functions. An alarm blocking function is also configurable to prevent alarms from tripping during a system’s initialization or start-up. Terminals are provided to accept alarm acknowledgement (e.g. remote push button).

Thermocouple, three-wire RTD and mV inputs can be directly input into the indicator. Current signals such as 4-20mA are input using the 2.49W shunt resistor, which is included with the indicator and mounting hardware. Other shunt resistors can be used to measure higher current levels as long as the signal produced is within the -9.99mV to 80mV input range. Similarly, voltage inputs such as 0-10V can be measured using the optional input adapter or voltage divider (model SUB2-1V1). The four-digit display (9999) can be configured to match the input signal range to the preferred engineering units. Offsets and two point slope adjustments are fully programmable to compensate for sensor variances.