4
The optional "acknowledgeable gas-alert” feature warns the instrument operator of the presence of gas in
concentrations that may be approaching the instrument’s alarm setpoints. An alert can prompt the
instrument operator to check the display screen for gas readings.
If the measurement of a detected gas in the atmosphere reaches the gas-alert setpoint, which is below the
low-alarm setpoint, the gas alert is activated. The instrument operator can temporarily turn off an alert's
signals for 30 minutes; the instrument will continue to monitor for gas, display readings, and activate any
alarms or other gas alerts that may occur.
After 30 minutes, if the gas reading for the acknowledged alert has remained at (or again reached) the gas-
alert setpoint, the alert signals will be reactivated.
The alarm-latch feature is used to keep an alarm on after the alarm-causing condition no longer exists. This
serves to sustain alarm signals, which can encourage the instrument operator to check the display screen
for gas readings, and to optionally release the alarm latch.
The always-on feature keeps the instrument from being shut down, without first entering the three-digit
security code. This option can be enabled or disabled through the configuration mode.
OTHER KEY FEATURES
The user interface consists of two buttons and an LCD (liquid crystal display). The buttons are used to
power on and power off the instrument, navigate the operation and configuration loops, perform tasks, and
access information. The unit can be set to display select information in English or French.
The unit's garment clip is intended for attachment to a garment; it is not intended for attachment to a belt or
hard hat. An optional AlarmAmp
TM
is also available; when used, the audible alarm volume is increased by
approximately 10 decibels (dB).
The Tango TX1 is iNet
®
ready and compatible with the Tango TX1 DSX™ Docking Stations.
Product Specifications
Effective use of the Tango TX1 includes knowledge of the instrument's specifications and its sensor and
battery specifications (see Tables 1.4 through 1.6).
Table 1.4 Instrument specifications
Case materials Case top: polycarbonate with a protective rubber over-mold
Case bottom: conductive polycarbonate
Three strobe-emitting visual alarm LEDs (two red; one blue)
95 dB audible alarm at a distance of 10 cm (3.94"), typical
Vibration alarm
Dimensions 99 x 51 x 35 mm (3.9 " x 2.0 " x 1.4 ")
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