Aeroqual - Products - Series 935

Series 935 Transmitter/Controller
With Temperature Sensor

Specifications

Base Unit
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

Temperature and Humidity Sensors	Accuracy	Resolution	Range
Temperature	± 0.3 [K] @ 25°C	0.04 min resolution	range -40°C to 124°C
Humidity	±1.8% RH	0.4 min resolution	range 0 100%

Monitor Specifications Sheet

For further information regarding this product please download the product brochure.

User Guide

Download User Guide
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Ozone Sensor Head Specifications

Sensor Heads	Low	High	Leak
Measurement range	0.000 - 0.500 ppm	0.50 - 20.00 ppm	0.00 - 50.00 ppm
Accuracy	< 0.008 ppm (0 - 0.100 ppm) ± 10% (0.100 0.500 ppm)	± 10% (0.20 - 2.00 ppm) ± 15% (2.00 - 20.00 ppm)	± 20%, 15 seconds after Reset
Resolution	0.001 ppm	0.01 ppm	0.01 ppm
Controlled Atmosphere Version	Available on Request	Available on Request	Available on Request
T90 Response	< 60 seconds (T90)	< 35 seconds (T90)	< 10 seconds
Sensor type	Gas-sensitive semiconductor
Operating temperature range	-5°C to 50°C; 23°F to 122°F (sensor head and base unit)
Relative humidity limit	95% maximum (sensor head and base unit)

VOC Sensor Head Specification*

Measurement range	0 to 400 ppm toluene
Accuracy	< +/- 10 ppm (0 200 ppm) < +/- 10% ( > 200 ppm)
T90 response	< 60 s
Sensor type	Gas-sensitive semiconductor
Operating temperature range	-20°C to 60°C
Operating relative humidity range	5 to 95% non-condensating

* Specific Calibrations to other VOC's available contact Aeroqual Sales

Ammonia Sensor Head Specification

Measurement range	0 to 1000 ppm
Accuracy	< +/- 5 ppm (0 100 ppm) < +/- 10% (100 1000 ppm)
T90 response	< 60 s
Sensor type	Gas-sensitive semiconductor
Operating temperature range	-20°C to 60°C;
Operating relative humidity range	5 to 95% non-condensating

CO Sensor Head Specification

Measurement range	0 to 2000 ppm carbon monoxide
Accuracy	< +/- 10 ppm in the range 0 to 400 ppm
T90 response	< 150s
Sensor type	Gas-sensitive semiconductor
Operating temperature range	0°C to 70°C;
Operating relative humidity range	5 to 95% non-condensating
Approvals	UL 2034, BS 7860