TrolMaster CO₂ Alarm Station – Blue Light (AS-4)

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TrolMasterSKU: GP00000737

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TrolMaster CO₂ Alarm Station – Blue Light (AS-4)

The TrolMaster CO₂ Alarm Station – Blue Light (AS-4) provides continuous visual and audible monitoring of CO₂ levels when integrated with the Carbon-X CO₂ Alarm System.

Designed for installation outside grow rooms and cultivation facilities, the AS-4 displays the current CO₂ concentration in ppm and provides a blue visual warning when CO₂ exceeds the user-defined alarm threshold.

Blue Visual and Audible CO₂ Alarm

The AS-4 features a blue LED warning indicator and a digital CO₂ ppm display for convenient monitoring outside the grow area.

When the CO₂ concentration rises above the alarm level programmed in the Carbon-X main controller, the AS-4:

  • Activates a 100 dB audible alarm
  • Flashes the blue LED warning light
  • Continues displaying the monitored CO₂ concentration in ppm

This combination provides personnel with a clear warning before entering a monitored area.

Carbon-X Integration

The AS-4 can be linked to:

  • AL-1 CO₂ sensor channel
  • AL-2 CO₂ sensor channel
  • Both AL-1 and AL-2 channels for complete redundancy

The AS-4 requires the TrolMaster SPH-1 Splitter Hub to provide supplemental power.

Key Features

  • Audible and visual CO₂ alarm
  • Blue LED warning indicator
  • Digital CO₂ ppm display
  • 100 dB audible alarm
  • Blue light flashes when the programmed alarm level is exceeded
  • Designed for installation outside grow rooms
  • Can monitor AL-1, AL-2, or both Carbon-X channels
  • Plug-and-play connection
  • Requires SPH-1 for supplemental power
  • Includes a 16 ft RJ12 communication cable

Product Specifications

Specification Details
Model AS-4
Product Type CO₂ Audible/Visual Alarm Station
CO₂ Display Digital ppm display
Warning Indicator Blue LED
Siren 100 dB
Alarm Trigger User-defined CO₂ limit in Carbon-X controller
Operating Temperature 32–122°F (0–50°C)
Operating Humidity ≤90% RH
Package Dimensions 5.12 × 7.36 × 3.46 in (130 × 187 × 88 mm)

Package Contents

  • 1 × TrolMaster CO₂ Alarm Station – Blue Light (AS-4)
  • 1 × 16 ft (4.88 m) RJ12 cable

Compatible Products

The TrolMaster AS-4 is designed for use with:

  • TrolMaster Carbon-X CO₂ Alarm System (CDA-1)
  • Carbon-X AL-1 CO₂ sensor channel
  • Carbon-X AL-2 CO₂ sensor channel
  • TrolMaster SPH-1 Splitter Hub — required for supplemental power
  • Carbon-X installations using compatible MBS-K30 CO₂ sensors

Clear Blue CO₂ Warning

The TrolMaster AS-4 combines real-time CO₂ monitoring with a blue visual indicator and powerful audible alarm, providing a clear warning when monitored CO₂ levels exceed the programmed limit.

Order Confirmation

As soon as your order is placed, an order confirmation will be sent to the email address you used to place the order. This means we have received your order and payment. Payment is captured as soon as the order is placed. In rare cases, if the product is on backorder or unavailable, we will contact you and ask if you would like to wait for the product to become available, switch your product, or have your payment refunded. If the item is available for shipment we will submit the order for processing and arrange shipment. Please see current estimated lead times on the product page for each product.

Shipping

Most products ship within 1 to 3 business days. Some items might take longer as they are delivered from our warehouse in Vancouver. As soon as we receive your tracking number, we will send it over to you.

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If you need to cancel your order, we recommend reaching out to us ASAP. We charge a 2.9% (credit card), 3.5% (PayPal), 4.0% (PayPal International), 4.1% (American Express), or 6.5% (Shop Pay Installments or Sezzle) order cancellation fee after the order was received. We can accommodate most requests, but due to the different time zones and schedules that our warehouses ship from, sometimes the cancellation request may not reach the warehouse in time before the product ships. Once the item has been arranged to ship or has shipped, the package will be treated like a 'return' and is subject to ship-back fees and restocking fees. If you purchased 'Route Package Protection', this can not be refunded after the order has shipped.

Returns

In order to make sure you are completely satisfied, we can send you a return label within 14 days of receiving the order. This is to guarantee that you are happy with the product. Some products might require a 10-25% restocking fee. Please visit our full return policy.

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