Aeroqual - Products - Series 905

Series 905 Transmitter/Controller
With Temperature & Relative Humidity

Specifications

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%

Base Unit

Power (user supplied)

Regulated 12 VDC, 800 mA

Analog output

4-20 mA (opto-isolated), 10-30 V

External signal type

Transistor output

External signals

External signal functions

Low Alarm, High Alarm, Control & Diagnostics

Inputs

Standby toggle

Communication

RS485

Jumpers

J1, J2, J3 termination resistors

Connectors

Screw

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

IP20 & NEMA 1 equivalent

Enclosure size (with base unit)

64 H x 130 Ø (mm); 2½ H x 5? Ø (in)

Mounting

Screw fixture

Weight

< 200 g; < 7 oz

Approvals

Part 15 of the FCC Rules, EN 50082-1: 1997, EN 50081-1: 1992

Monitor Specifications Sheet

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

Download Specifications
PDF 99k

User Guide

Download User Guide
PDF 1Mb

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