Macurco GD-2B & GD-2A - Gas Detector - Data Sheet Dated 2018

Security Series

The Macurco Security Series are reliable, lightweight and aesthetically pleasing gas
detectors made to keep you and the people you care about safe from harmful gases in
residential and light commercial applications. The Macurco CM-E1, GD-2B, GD-2A and
HD-11 are low voltage gas detectors designed for use with Fire and Security Systems. The
CM-E1 and GD-2A are UL 2075 Listed for use in residential and commercial applications
and are also approved by the California State Fire Marshal.
Key Features
• Low replacement costs with long life
sensors
• Low maintenance with no calibration
needed
• Local alarms (CM-E1 & GD-2B only)
• Clip in wire harness (CM-E1 &
GD-2B) for in and out replacement
• Aesthetically pleasing. Flush mount
or surface options for (CM-E1 &
GD-2B)
• Ties into any Fire/Burglary panel for
local and remote monitoring
• Made in America
Whether you are looking for gas
detection for a security system,
building automation or HVAC system,
for personal safety or for monitoring
specific gases in potentially hazardous
environments, Macurco has a gas
detector to meet your needs.
Macurco
TM
Building & Home Solutions
Building & Home Solutions
Applications
• Homes
• Schools / University Dorms
• Hotels / Condos
• Offices
• Retail Stores
• Common Rooms / Lobbys
• Apartments
• Airports
• Other Light Commerical
Environments
www.macurco.com
Residential / Light Commercial Carbon Monoxide & Combustible
Gas Detectors.
CM-E1 (Carbon Monoxide)
GD-2A (Combustible Gas)
GD-2B (Combustible Gas)
HD-11 (Hydrogen Gas) Security Series
Macurco
TM
Building & Home Solutions
Building & Home Solutions
© Aerionics 2018. All rights reserved. Macurco is a trademark of Aerionics, Inc.

Macurco Gas Detection
3601 N St. Paul Ave,
Sioux Falls, SD 57104
Website:
www.macurco.com
Phone:
1-877-367-7891
Email:
info@macurco.com
6/18
Since 1972 Macurco has been providing gas detection solutions for various
applications. Macurco provides the highest quality gas detection solutions to
customers worldwide.
ISO 9001:2015


ISO 9001:2015

CERTIFIED
Specifications
CM-E1 & GD-2B
3.25”(H) x 5.25”(L) x 1.75”(W)
GD-2A & HD-11
4.5”(H) x 5”(L) x 1.62”(W)
~ 1 lb. (~16 oz.)
CM-E1
9-32 VDC
GD-2B
9-32 VDC or 12-24 VAC
GD-2A & HD-11
9-32 VDC or 12-24 VAC
CM-E1 & GD-2B
10 years w/EOL
GD-2A & HD-11
7 to 10 years
Sensor Life
CM-E1 & GD-2B
40°F to 100°F (4.4°C to 37.8°C)
GD-2A & HD-11
32°F to 120°F (0°C to 48.9°C)
Operating Temperature
Voltage
Shipping Weight
Size
Name
Model Number
Accessories
Mounting
Gas
Model Number
Ordering Information
Carbon Monoxide (CO)
CM-E1
GD-2B
GD-2A
HD-11
Natural Gas (NG) or Propane (LP)
Natural Gas (NG) or Propane (LP)
Hydrogen (H
2
)
Weatherproof Housing Kit
WHK-1
Duct Mount Kit
DMK-1
CME1-FTG
Field Test Gas (CM-E1)
CM-E1 (Normal/Alarm) 15mA/35mA @ 9-32V
GD-2B, GD-2A & HD-11 - See user instructions
Current Draw
CM-E1 & GD-2B

Alarm Relay: SPST, 100mA, 40VDC
Trouble Relay: SPST, 100mA, 40VDC
GD-2A & HD-11

Alarm Relay: .125 A, 40 V, 3 VA
Trouble Relay: .250 A, 40 V, 10 VA
Status Indicators
Relays
CM-E1 & GD-2B

LED (Red Alarm, Amber Trouble, Green Normal)
Local Buzzer
GD-2A & HD-11

LED (Red Alarm, Green Normal)
Alarms
CM-E1
UL Standard 2034
GD-2B & GD-2A
Per UL 1484, 25% LEL
HD-11
Alarm Set Point: 10% LEL hydrogen gas

Approvals /
Certifications
CM-E1
UL 2075 Listed. Tested to 2034
sensitivity limits for Carbon Monoxide
GD-2A
UL 2075 Listed. Tested to 1484
standard for residential gas detectors
GD-2B
Sensitivity tested based on UL 1484
Warranty
Two Year Limited Warranty
Weatherproof Housing Kit
Duct Mount Kit
Field Test Gas (CM-E1)
*Please read manual for more specifications
CM-E1 and GD-2B can
be mounted on a single
gang box
GD-2A and HD-11 can be
mounted on a double
gang box