Bacharach HGM-SZ Specifications
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Features & Benets:
• Proprietary infrared sensing technology virtually eliminates false alarms and extends sensor life
• Capable of detecting and measuring any CFC, HFC and HCFC refrigerant gas or ammonia
• Provides continuous, unattended monitoring from up to 500 ft. (152.4 m) away from measuring point
• Measurement range of 0-10,000 ppm with sensitivity of 1 ppm
• Logging feature enables 200 gas readings to be stored at user-selectable time intervals
• No costly calibration required
Low Maintenance Continuous Monitoring
The Bacharach Single-Zone family of xed point gas monitors is available for the detection of refrigerants, halogen
gases (HGM-SZ) and ammonia (AGM-SZ). The Single-Zone series is designed around Bacharach’s proprietary
infrared sensing technology to offer reliable, superior sensing performance.
Bacharach’s infrared (NDIR) sensors offer users one of the most feature loaded, lowest-cost-of-ownership
monitors available. The Single-Zone monitors feature automatic calibration, eliminating the need for costly
calibrations. Periodic lter replacements are practically the only maintenance required.
An easy-to-install, out-of-the-box solution, Bacharach’s Single-Zone monitors offer an onboard power supply, LCD
display for real-time readings and LED indicators with dedicated relays that activate audible or visual alarms. A
4-20 mA output enables a compatible connection to standard building automation systems.
1-800-736-4666 | 724-334-5000 | www.MyBacharach.com | help@MyBacharach.com
Part Number:
Includes:
Measures:
Measuring Range:
Sensitivity:
Accuracy:
Detector Type:
Inputs:
Output Signal:
Monitoring Distance:
Response Time:
Front Panel Display:
Power:
Size / Weight:
Approvals:
Single-Zone Specifications
HGM-SZ AGM-SZ
3015-4200
HGM-SZ single zone monitor with:
1 termination lter, 15.24 m (50 ft.) of
sample line tubing.
R-11, R-12, R-22, R-23, R-113, R-114,
R-123, R-124, R-125, R-134a, R-227,
R236FA, R-401a, R-402a, R402b,
R-404a, R-407a, R-407c, R-408a,
R-409a, R-410a, R-500, R-502, R-503,
R-507, R-508b, H-1211, H-1301,
H-2404, N-1230, R32,HFO1234ZE,
R407F, Novec 7100, 7200, 7300,
7600
0 to 10,000 ppm
1 ppm
± 1 ppm ± 10% of reading from 0 to
1,000 ppm
Single-pass Non-Dispersive Infrared (NDIR)
Dedicated single zone
3 SPDT, 3 Amp, 250 VAC rated alarm relays and 1 SPDT, 3 Amp, 250 VAC rated
system fault relay, plus a digital display with dedicated 4-20 mA DC analog
output (oating ground)
Maximum 152.4 m (500 ft.) from measuring point to monitor
9 to 90 seconds, depending on sample tube length
Green LED: indicates unit is operating properly
Yellow LED: indicates clogged sample line or other system fault
indicates when any monitored point exceeds alarm settings
Red LED:
100 to 240 VAC, 50/60 Hz
13.7" x 7.7" x 3.6" / 7 lbs. (347.98 mm x 195.58 mm x 91.44 mm / 3.175 kg)
UL 61010-1 • CSA 22.2 No. 61010-1 • EN 14624 • CE Mark
3015-4280
AGM-SZ single zone monitor with:
1 termination lter, 15.24 m (50 ft.) of
sample line tubing.
Ammonia (NH
R-717
25 to 10,000 ppm
25 ppm
± 20 ppm ± 10% of reading from 25
to 1,000 ppm
) - also known as
3
3015-4200 HGM-SZ Halogen Gas Monitor - Single Zone
(with termination lter, 15.24 m of sample tubing,
3015-4280 AGM-SZ Ammonia Gas Monitor - Single Zone
(with termination lter, 15.24 m of sample tubing,
0304-2742 AGM-SZ Sample/Exhaust/Purge Line Tubing
0304-2743 HGM-SZ Sample/Exhaust/Purge Line Tubing
(note: #0304-2742 is req'd for AGM-SZ sample line)
3015-3420 Termination lter
3015-4121 120 VAC surge protector
3015-4122 220 VAC surge protector
3015-4123 4-20 mA surge protector
3015-5490 24 VDC Audible/Visual Audible Alarm
3015-3492 24 VDC Visual Alarm
3015-3076 120 VAC External Audible/Visual Alarm
3015-5529 Single-Zone Annual Maintenance Kit
Distributed By:
Single-Zone Ordering Information
& 15.24 m (50 ft.) exhaust/purge line tubing)
15.24 m (50 ft.) exhaust/purge line tubing)
Made in the USa
Bacharach® is a registered trademark of Bacharach, Inc.
©2014. All information is subject to verication.
May 2014 – Rev. 2
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