Alarm Light: With 10 m connection cable, it flashes when a programmed alarm level is exceeded. The alarm is powered from the monitor. It is an ideal accessory for vibration sensitive construction projects, and available with extension cables. Alarm timeout can be set with T-Link software.

Modems: Available with an optional GSM or Next G modem for remote communications. To reduce power consumption, modem operation can be scheduled with daily or weekly timetables. The ETM can be woken from sleep state by an incoming call.

External Battery: For extended monitoring periods, an external battery can be used to power the ETM.

Solar Panel: The optional solar panel essentially allows indefinite monitoring, depending on the local weather conditions. The solar panel can be stored in the ETM case when not required.

Splitter Box: Either unpowered for use with geophones, or with current source power for use with various accelerometers.
Wirebreak For high accuracy timing requirements, events and waveforms can be triggered directly from the blast using Wirebreak mode.

Trigger Sync Box: Allows multiple ETM monitors to be triggered at once to a high degree of accuracy.

Weather Station: The optional Weather Station can record Wind Speed & Direction, Air Temperature, Barometric Pressure, Relative Humidity and Accumulated Rainfall.