The Polytector III 999C is ready for operation after switching on. The main functions – peak display, LED lamp, alarm reset, display zoom and turning the display into carrying position – are each controlled by a simple keystroke. In the user menu, the three buttons can be used to navigate conveniently to change instrument settings or read out the data logger.

• EX-protected housing for zone 1 and 2
• integrated electric suction pump
• Integrated EX-protected LED lamp
• The device has a man-down alarm. With optional radio module the data can be sent to a central unit GfG-Link or an operation centre.
• large graphic display with colour change on alarm
• audible alarm: very loud horn (103 dB(A), reducible to 90dB(A))
• optical alarm: 360° all-round alarm via 20 colour-changing LED’s
• NiMH battery module: 5.2 V 2100m Ah
• Operating time : depending on sensor equipment and pump up to 17 h
• shock- and impact-protected, rubberized housing
• protection class IP67
• ATEX certificate: II 2G EEx ia d IIC T4 and I M2 Ex ia d l Mb

Optional

• can be equipped with individual gas sensors – up to 7 sensors
• can be ordered with radio module – The Polytector III can send the current measurement data by radio to the central unit GfG-Link or to an operation center. This way, a head of operations is always informed about the current danger situation of his employees.

Measurable gases and measuring ranges

• Oxygen – O2 = 0-25 vol.%
• Methane – CH4 = 0-100 %LEL
• hydrogen sulphide – H2S = 0-100 ppm
• Carbon monoxide – CO = 0-500 ppm
• Carbon dioxide – CO2 = 0-5 Vol.%

Scope of delivery

• Gas measuring device G999C
• EU plug-in charger
• Charger DIC888/999-B