Series 945 Transmitter/Controller The Series 945 is supplied in an FRP enclosure, has multiple output capability and can be included into a realtime network of monitors. Typical application Short distance remote monitoring for:- • Low Oxygen environments (3-5% O 2 ) • Indoor air quality - duct sampling • Filtered air sampling Power (user supplied): 24VDC, 500mA (range 22-26 VDC) Analogue output: 4-20 mA (opto-isolated), 12-24 V External signal type: Transistor Output External signals: 4 External signal functions: Low Alarm, High Alarm, Control & Diagnostics LED Display: (Optional) Inputs : Standby toggle Communication: RS485 Jumpers: J1, J2, J3 termination resistors Connectors: Screw ID: 1 (Default) User configurable from 1 - 255 Alarm set points (2): User configurable Control set point: User configurable RS485 protocol: Aeroqual proprietary product Removable / replaceable sensor head: Yes Sampling Pump:12VDC, long life, brushless, diaphram pump Enclosure rating: IP41 & NEMA 2 equivalent Enclosure size: 230W x 140H x 95D (mm); 9"W x 5½"H x 3¾"D (in) Enclosure casing: Fibre reinforced polycarbonate Weight: < 1100 g; < 1 lb 3 oz Approvals: Part 15 of the FCC Rules EN 50082-1: 1997 EN 50081-1: 1992

Series 935 Transmitter/Controller The Series 935, with temperature sensor, is supplied in an FRP enclosure, has multiple output capability and can be included into a realtime network of monitors. Power (user supplied): 24VDC, 500mA (range 22-26 VDC) Analogue output: 4-20 mA (opto-isolated), 12-24 V External signal type:Transistor Output External signals: 4 External signal functions: LED Display Low Alarm, High Alarm, Control & Diagnostics (Optional) Inputs: Standby toggle Communication : RS485 Jumpers: J1, J2, J3 termination resistors Connectors: Screw ID: 1 (Default) User configurable from 1 - 255 Alarm set points (2):User configurable Control set point:User configurable RS485 protocol: Aeroqual proprietary product Removable / replaceable sensor head: Yes Enclosure rating:IP41 & NEMA 2 equivalent Enclosure size: 180W x 110H x 90D (mm); 7?W x 4¾H x 3½D (in) Enclosure casing: Fibre reinforced polycarbonate Weight: < 850 g; < 30 oz Approvals: Part 15 of the FCC Rules EN 50082-1: 1997 EN 50081-1: 1992

Series 930 Transmitter/Controller The Series 930 is supplied in an FRP enclosure, has multiple output capability and can be included into a realtime network of monitors. Power (user supplied): 24VDC, 500mA (range 22-26 VDC) Analogue output: 4-20 mA (opto-isolated), 12-24 V External signal type : Transistor Output External signals : 4 External signal functions:LED Display Low Alarm, High Alarm, Control & Diagnostics (Optional) Inputs: Standby toggle Communication: RS485 Jumpers:J1, J2, J3 termination resistors Connectors:Screw ID: 1 (Default) User configurable from 1 - 255 Alarm set points (2):User configurable Control set point:User configurable RS485 protocol: Aeroqual proprietary product Removable/replaceable sensor head: Yes Enclosure rating:IP41 & NEMA 2 equivalent Enclosure size: 180W x 110H x 90D (mm); 7?W x 4¾H x 3½D (in) Enclosure casing: Fibre reinforced polycarbonate Weight: < 850 g; < 30 oz Approvals: Part 15 of the FCC Rules EN 50082-1: 1997 EN 50081-1: 1992