Ace Instruments HVAC transmitters measure CO, CO2, VOC, particulate matter (PM2.5/PM10), temperature, humidity, differential pressure and ACH, individually or combined in the 6-in-1 IAQ Monitor. Suited for offices, hospitals, laboratories and green building compliance projects across commercial spaces.
Room and duct level instrumentation covering CO2, VOC, particulate matter, temperature/humidity and differential pressure, built for HVAC control and indoor air quality monitoring.
Tracks temperature, humidity, VOC, PM2.5, PM10 and CO2 in a single wall-mounted unit with a 3.5" TFT touchscreen, PoE, Wi-Fi or RS485 Modbus connectivity.

Wall-mounted CO2 monitoring for demand-controlled ventilation, with 4-20mA, 0-10VDC or RS485 Modbus output for BMS integration.
Electrochemical CO sensing for confined spaces, parking lots and industrial plants, with 4-20mA/0-10VDC or RS485 Modbus output.
MOX gas sensor VOC detection for demand-controlled ventilation, offices and pharmaceutical facilities, with 4-20mA or RS485 Modbus output.
Laser optical sensing for PM1, PM2.5 and PM10 with dual 4-20mA output and optional RS485 Modbus communication.
Low differential pressure transmitter for HVAC, pharmaceutical clean rooms, hospital rooms and kitchen hoods; can also be configured as a static pressure transmitter.

Duct-mounted photoacoustic CO2 transmitter for HVAC ductwork with configurable ranges up to 10,000 ppm, 4-20mA/0-10VDC output, and optional RS-485 Modbus.

Duct-insertion TVOC detector using a metal oxide semiconductor sensor (0-500 ppm), with dual 4-20mA outputs, 0-10VDC, and optional RS-485 Modbus RTU.

Remote-probe temperature (0-50C) and humidity (0-100% RH) transmitter in an IP65 enclosure with RS485 Modbus output, for cold rooms, ducts and enclosures.

Wall-mounted indoor temperature (0-50C) and humidity (0-100% RH) transmitter with graphic LCD, RS-485 Modbus and 4-20mA/0-10VDC outputs for BMS integration.

Weatherproof O2 monitor with galvanic cell sensor for confined spaces and gas storage rooms, with two-stage alarms, 4-20mA retransmission and optional RS485 Modbus/relay.

Laser-scattering duct sensor measuring PM2.5 and PM10 (up to 1000 µg/m³) plus air temperature, in an IP54 enclosure with RS-485 Modbus.

Wall-mounted 3-in-1 monitor using a photoacoustic sensor to track CO2, temperature and relative humidity, with optional RS-485 communication and touchscreen or GLCD display.
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Standalone CO2 controller with photoacoustic sensor (ranges to 20,000 ppm), 4-20mA/0-10VDC outputs, optional relay and RS-485 Modbus, for programmable ventilation alarms.

Fixed hydrogen gas detector with catalytic combustion sensor (0-100% LEL) for battery rooms, in a flameproof housing with 4-20mA output, optional relays and RS-485 Modbus.

Wall-mounted 3-in-1 monitor measuring TVOC (0-500 ppm), temperature and humidity on a single Modbus address, with a touchscreen and RS-485 Modbus or Wi-Fi connectivity.

Duct-mounted polymer capacitive sensor measuring temperature (0-50C) and humidity (0-95% RH), with 4-20mA output for AHU supply/return air monitoring.

MOX-sensor VOC monitor with temperature and humidity, touchscreen, RS-485 Modbus or Wi-Fi dashboard, and configurable alarms for lab ventilation control.

Standalone temperature alarm with 4-digit LED display, programmable buzzer for high/low thresholds, wired external sensor and RS485 Modbus, network-independent operation.
RTD (Pt100/Pt1000) or NTC thermistor probe for measuring liquid temperature in HVAC systems, -40C to +150C, with optional stainless steel thermowells.
Duct-mounted static pressure sensor for BMS and VAV applications, 0.5% FS accuracy, standard 0-500 Pa range, with jumper-selectable 4-20mA/0-10VDC output.

Duct-mounted electrochemical CO transmitter (0-100/250/500 ppm) with 4-20mA or 0-10VDC output, optional RS-485 Modbus and relay, for car park and DCV applications.

Multi-parameter duct transmitter combining PM2.5, PM10, VOC, temperature and humidity in one unit, with RS-485 Modbus for BMS integration.

Wall-mounted transmitter with graphic LCD that displays temperature, relative humidity and calculated dew point, with two 4-20mA outputs and RS-485 Modbus.

Field-adjustable differential pressure switch for AHUs, ventilation systems and cleanrooms, with IP54 protection and 4-20mA or 0-10VDC output for filter monitoring.

Industrial temperature (0-50C) and humidity (0-99.9% RH) indicator with dual 4-inch LED displays, built-in or external sensor option, and optional RS485 Modbus.
Wall-mounted 10-inch touchscreen monitor tracking CO2, temperature, humidity, PM2.5, PM10 and TVOC, with RS-485 Modbus, optional Wi-Fi and WELL/LEED-ready reporting.

Portable/desktop monitor tracking PM1, PM2.5, PM10, AQI, temperature and humidity on a color TFT display with a rechargeable battery and USB-C charging.
Keeping CO2, VOC, particulate and pressure readings within target range affects occupant comfort, filtration performance and building energy use.
Transmitters in this range output over Modbus RS485, letting readings feed directly into an existing BMS or DDC controller where applicable to the specific instrument's output configuration.
Ace Instruments HVAC and indoor air quality instruments are designed for compliance with, and help ensure compliance with, the ventilation and indoor air quality provisions of the following standards.
62.1 sets CO2-based demand-controlled ventilation requirements, including sensor accuracy and breathing-zone placement. 170 requires continuous differential pressure monitoring for hospital isolation and positive-pressure rooms.
EQ credits set thresholds for CO2, PM2.5, VOCs and formaldehyde, verified through indoor air quality testing before occupancy and continuous monitoring.
The Air concept sets explicit limits: PM2.5 ≤15 µg/m³, PM10 ≤50 µg/m³, CO ≤9 ppm and CO2 ≤900-1000 ppm, verified through continuous monitoring.
India's national green building rating system includes indoor air quality and ventilation criteria that these instruments are designed to support.
Abu Dhabi's rating system ties occupancy-based ventilation to CO2 levels below 1000 ppm, with Gold and Platinum tiers requiring CO2 monitoring and demand-controlled ventilation.
Scores buildings under a dedicated Indoor Environment category covering ventilation design and pollutant sources, aligned with continuous CO2, VOC and PM monitoring.
Al Sa'fat sets indoor air quality targets of CO2 below 800-1000 ppm and PM2.5 below 15 µg/m³, alongside low-VOC material and ventilation credits.
Egypt's national rating system includes an indoor environmental quality category covering ventilation, which these instruments help monitor.
Lebanon's rating system scores indoor air quality and wellness directly, covering ventilation rates and VOC emissions.
Saudi Arabia's national rating system under Vision 2030 includes a Health and Comfort category with a dedicated ventilation credit (HC-05).
Empowering buildings with air quality and pressure monitoring across offices, hospitals, education and data centers.
Demand-controlled ventilation and occupant comfort monitoring across open floors and meeting rooms.
Continuous temperature, humidity and particulate monitoring where air quality affects patient and staff safety.
CO2 and VOC monitoring in classrooms to support healthy occupancy levels during instruction hours.
Duct and room-level temperature and humidity tracking to protect equipment uptime.
Air quality monitoring that supports customer comfort alongside HVAC energy efficiency.
High-occupancy CO2 and ventilation monitoring to maintain safe air exchange rates.
Talk to Ace Instruments about parameter selection, mounting and BMS integration.
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