Compact, lightweight gas detector, the one-button operation Tetra 3 provides sophisticated features in a tough, user friendly package. Tetra 3 can monitor up to 4 different gases, depending on the model selected, and will display the readings simultaneously on the display screen.

Simple one button operation
Large top mounted display for ease of reading
Dual level instantaneous alarms plus time weighted average alarm for toxics
Audible 95dB, visual and vibrating alarms
Compact lightweight monitor
Li-ion Rechargeable battery gives 16 hour+ operation
IP65 ingress protection (minimum)
Full timed data logging with 50hour capacity
Tough plastic construction with elastomeric over-moulding

Tetra3 accessories:

Tetra3 UK battery charger (see stock no. 480-364)
Tetra3 UK battery charger with PC Interface (see stock no. 537-408) - cradle to accept one Tetra3 gas monitor for recharging the battery from a UK mains power socket. Provides a 9way male RS232 Comm port output allowing the Tetra3 to download data to a PC using the PC software (available separately see stock no. 495-0202)
Tetra3 Euro battery charger (see stock no. 480-396)
Tetra3 Euro battery charger with PC Interface (see stock no. 537-414) - cradle to accept one Tetra3 gas monitor for recharging the battery from European mains power socket. Provides a 9way male RS232 Comm port output allowing the Tetra3 to download data to a PC using the PC software (available separately see stock no. 495-0202)
Tetra3 Aspirator Assembly - aspirator assembly comprising adaptor plate, 2m hose and aspirator hand pump (bulb) fits onto the front of the Tetra3 gas detector for manual gas sampling (see stock no. 480-374)
Tetra3 Carry Case - leather holster providing additional protection for the Tetra3 gas monitor (see stock no. 480-370)
Tetra3 Harness plate - fixes to the Tetra3 to accept a shoulder strap and / or chest harness straps (see stock no. 480-380)
Tetra Chest Harness Strap - comprises of a neck and waist strap that supports the Tetra3 around the chest to provide a comfortable working position when used with the Tetra3, Tetra 4 or Gasman harness plate (see stock no. 467-9212)
Tetra Shoulder Strap - a padded shoulder strap that provides a comfortable carry strap when used with the Tetra3, Tetra 4 or Gasman gas detector harness plate (see stock no. 467-9199)

Crowcon PC software - provides access to reconfigure alarm levels, operation, print reports and to access data and event log files (see stock no. 495-0202)

RS232 interface lead - connection lead to use between a PC 9 pin Comms port and the Crowcon battery charger with PC Interface (see stock no 495-0195)
USB to RS232 Adaptor lead - connection lead to use between a PC USB port and the Crowcon battery charger with PC Interface (see stock no 495-0218)
Vehicle lighter socket charger/adaptor - fits standard 12 V dc car auxiliary power adapter (see stock no 495-0151)

Stock number 708-7748 is supplied without charger

ATEX II 2G EEx iad IIC T4 (Tamb -20°C to +55°C)
IECEx Ex iad IIC T4 (Tamb -20°C to +55°C)

Stainless steel alligator pocket clip, manual, rechargeable battery and calibration certificate produced and dated at time of manufacture