Time Mark Corporation - True RMS Voltage Monitor

Model 26 True RMS Voltage Monitor has a display that shows the voltage with an accuracy of +/- 0.5%. The display is updated every second and re-initialized every 30 seconds.This unit has a user selectable relay option for High-Low or DPDT. It can also be user-selected to energize on fault or de-energize on fault. The user can select automatic or manual restart on the Model 26... (read more)

Time Mark Corporation - User-Selectable Voltage/Current Simulator

The Model 680, from Time-Mark, is a user selectable voltage or current simulator. It is useful for the setup and testing of process controllers and indicators with either a current loop or control voltage input, such as liquid level controllers and other devices. Hot Features:

    • 4 Output Signal Ranges:
      4-20mA, 0-20mA, 0-10V, 0-5V
(read more)
Time Mark Corporation - Model 25 - True RMS 3-Phase Monitor

*Now UL Listed* This 24VDC powered True RMS Voltage Monitor has a display that shows the voltage with an accuracy of +/- 0.5%. The display is updated every second and re-initialized every 30 seconds. DIN-rail mounting. (read more)

Time Mark Corporation - Model 29 - Frequency Monitor

Model 29 Frequency Monitor has a display that shows the frequency with an accuracy of +/- 0.5%. The display is updated every second and re-initialized every 30 seconds. (read more)

Time Mark Corporation - Model 27 - True RMS Current Monitor

Model 27 True RMS Current Monitor has a display that shows the current with an accuracy of +/- 0.5%. The display is updated every second and re-initialized every 30 seconds. (read more)

Time Mark Corporation - Model 360/330 -Oper. Delay Relay www.Time-Mark.com

The Models 330 and 360 Operate Delay Relays examples include automatic and machine tool control circuits, HVAC circuits, and warm-up delay circuits. The Model 330 is a DPDT, knob-adjustable timer. The Model 360 is a DPDT, high-accuracy digital timer. Solid-state timing circuits in each model drive an internal electromechanical relay. (read more)

Time Mark Corporation - Model 258 - 3 Phase Monitor

OUR BEST SELLER!

The Model 258 continuously monitors 3-phase power lines for phase loss, low voltage and phase reversal. When properly adjusted,the Model 258 Monitor will detect phase loss on a loaded motor even when regenerated voltage is present. (read more)

Time Mark Corporation - Models 331/361 Release Delay Relay Time-Mark.com

The Models 331 and 361 Release Delay Relays are designed for a wide usage in new or replacement industrial applications. Examples include delay-off circuits, batch processing circuits, and other applications requiring a remote-triggered, off-delay timer. (read more)

Time Mark Corporation - Over/Under 3-Phase Monitor - Model 269/269R

Model 269R - Monitors for High Voltage, Low Voltage, Phase Loss & Phase Reversal. It has 4 Voltage Ranges, Automatic reset and Adjustable Restart Delay

Model 269 - Trips on High Voltage, Low Voltage, Phase Loss and Phase Reversal (read more)

Time Mark Corporation - Model 2652 3-Phase Monitor-www.time-mark.com

Hot Item!

The Model 2652 3-Phase Monitor is designed to protect motors, pumps, HVAC equipment, air compressors, etc., by sensing phase loss, low voltage or phase reversal. (read more)

Time Mark Corporation - Model 441 - Multi-Stage Alternator

Multi-stage alternator; Replaces Mechanical Alternators; User selectable for: Single motor/pump, Two motor/pump (duplex), Three motor/pump (triplex), or Four motor/pump (quadraplex); Unit remembers which motor/pump is next during power loss. (read more)

Time Mark Corporation - Model 261 Series - Alt. Relay www.Time-Mark.com

The Model 261 series Alternating Relay is designed for duplex pumping systems where it is desirable to equalize pump run time. (read more)

Time Mark Corporation - Model 260-Voltage Sensor www.Time-Mark.com

The Model 260 Voltage Sensor is a single setpoint voltage sensor. Input voltages above the setpoint cause the output contacts to energize (contacts 1 & 8 closed). Input voltages below the setpoint cause the output contacts to de-energize (contacts 1 & 2 closed). The dead band between pull-in and drop-out is less than 2%. (read more)

Time Mark Corporation - Model 300-Programmable Timer www.time-mark.com

The Model 300 Programmable Timer is designed to replace over 100 standard timers. One Model 300 can be set for one of five functions, covers four timing ranges, and has a universal power supply for any AC voltage from 24 to 240 volts, or DC voltage from 12 to 240 volts. (read more)

Time Mark Corporation - Models 338/368 Recycle Timers www.Time-Mark.com

The Models 338 and 368 Recycle Timers are designed to cycle a load on and off, or to cycle between two loads. The ON and OFF cycles are independently adjustable on each model. (read more)

Time Mark Corporation - Model 2002Y-3-Phase Unbal Monit. www.Time-Mark.com

Detects Unbalanced Voltages on Wye Connections; Percent of Unbalanced Adjustment; Automatic reset; Can energize relay with only 1 Phase and Neutral Connection (read more)

Time Mark Corporation - Model 252 - 3-Phase Monitor www.Time-Mark.com

The Model 252 3-Phase Monitor continuously monitors 3-phase power lines for abnormal conditions. When properly adjusted, the Model 252 will detect phase loss on a loaded motor even when regenerated voltage is present. (read more)

Time Mark Corporation - 3-Phase Power Line Abnormal Condition Monitor

The Model 158 from Time Mark continuously monitors 3-phase power lines for abnormal conditions. When properly adjusted, the Model 158 monitor will detect phase loss on a loaded motor even when regenerated voltage is present. (read more)

Time Mark Corporation - Model 2500/2501- 3 Phase Monitor www.Time-Mark.com

The Models 2500 and 2501 3-Phase Monitors are designed to continuously monitor the voltages of a 3-phase power distribution system for abnormal conditions. (read more)

Time Mark Corporation - Model 4052-Pump-Down Controller www.Time-Mark.com

The Model 4052 Pump-Down Controller provides total control for duplex pumping systems. The Model 4052 monitors, controls and displays the liquid level in a tank or reservoir, up to a depth of 34.6 feet. (read more)

Time Mark Corporation - Model 295-Capacitor Trip Device www.time-mark.com

The Model 295 Capacitor Trip Device is used to trip circuit breakers requiring an AC voltage, by using the stored energy in a capacitor. The capacitor is kept at full charge during normal operation by a half-wave silicon rectifier which draws its energy from the power line. (read more)

Time Mark Corporation - Models 332 and 362 - Solid State Timers

The Models 332 and 362 Interval Timers are designed for a wide usage in new or replacement industrial applications. Examples include automatic and batch control circuits, where the relay needs to be energized for a specific length of time after start-up. (read more)

Time Mark Corporation - Model 2742 - 3-Phase Over/Under Current Monitor

The Model 2742 Monitors over or under current of a 3-phase line or compares the currents of three single-phase lines.

  • Automatic reset or manual reset
  • Adjustable trip delay timer
  • Fail-safe design
  • For use on motors, pumps, conveyors, etc.
(read more)
Time Mark Corporation - Model 264 - 3-Phase Monitor www.time-mark.com

The Model 264 3-Phase Monitor continuously monitors 3-phase Wye or Delta systems for abnormal conditions. The solid-state electronic sensing circuit drives two separate single pole relays, one normally open and the other normally closed. (read more)

Time Mark Corporation - Model 2628 AC/DC Volt. Monitor www.Time-Mark.com

The Model 2628 AC/DC Voltage Monitor is designed to continuously monitor any AC or DC voltage from 15 to 260 volts. (read more)

Time Mark Corporation - Model 2644 - 3-Phase Monitor www.Time-Mark.com

Monitors Low Voltage, Phase Loss and Phase Reversal, Optional Restart Delay (read more)

Time Mark Corporation - Model 553 - Re-Acc. Relay(Signaline) Time-Mark.com

The Model 553 Re-Acceleration Relay is designed to take the place of a voltage sensing relay and two time delay relays. When voltage is applied to the Model 553, and the external start switch is closed, the adjustable on-delay time begins. After the delay period, the contacts will close. (read more)

Time Mark Corporation - Model 257 - 3-Phase Monitor www.Time-Mark.com

Detects Phase Loss, Phase Reversal and Low Voltage, 50Hz, 60Hz and 400Hz Models (read more)

Time Mark Corporation - Model 273-Single Phase Cur.Monit www.Time-Mark.com

The Model 273 Single Phase Current Monitor is a single setpoint sensor. It can be used as either an over current or under current sensor, depending on the

contacts used. (read more)

Time Mark Corporation - Model 278 - AC Transducer www.Time-Mark.com

AC Current Transducer from Time Mark Corporation. The Model 278 AC Current Transducer is designed to accept an AC current input, and provide a proportional DC output. A linear transformer input is coupled to a solid-state output amplifier. (read more)

Time Mark Corporation - Model 263 - 3 Phase Monitor

The Model 263 continuously monitors 3-phase power systems for phase loss, low voltage and phase reversal. The monitor consists of a solid-state sensing circuit, driving an electromechanical relay. (read more)

Time Mark Corporation - Model208A/208D Line Volt&Phase Det. Time-Mark.com

Line Voltage & Phase Sequence Detector; Indicates Normal Condition; Shows missing phase; Indicates Phase Sequence ABC or CBA; Available in 50/60 Hz and 400 Hz versions (read more)

Time Mark Corporation - Model 64-5 Power Factor Regulator - time-mark.com

The Model 64-5 Power Factor Regulator is a monitoring and power factor control system. It is designed to help obtain an improved power factor with a minimum of added capacitors. This device uses a unique phase-angle sensing circuit to monitor the power factor of a 3-phase power line. (read more)

Time Mark Corporation - Free 3-Phase Monitors Application Guide

A free 3-Phase Monitors Application Guide is now available from Time Mark Corporation, manufacturers of 3-Phase monitors, current monitors, voltage sensors, pump and liquid level controls, instrumentation controls, and Signaline timing devices. (read more)