The GMT220 series transmitters are designed to measure CO2 in harsh and humid environments.
For Harsh Environments The GMT220 series transmitters are designed to measure CO2 in harsh and humid environments. The housing is dust and waterproof to NEMA 4/IP65 standards avd materials are corrosion resistant. The transmitters are well suited for demanding industrial CO2 applications, such as: • Horticulture and fruit storage • Greenhouses and mushroom farming • Safety alarming and leakage monitoring • Demand control ventilation in harsh environments
Optimal measurement range for each application The user has a choice of measurement ranges up to 20% CO2: the GMT221 for higher concentrations of CO2. The transmitter can be connected to various measurement systems. In addition to standard analog, voltage and current outputs, there are also two configurable alarm relay outputs. Activated relays are indicated by LED lights on the cover. An optional LonWorks® digital interface is also available.
Interchangeable probes The GMT220 probes are truly interchangeable. They can be removed and reattached or replaced at any time - without the need for calibration and adjustment. The probes can be attached directly to the transmitter body or, when used with a cable, installed remotely into hard-to-reach places or areas with dangerously high levels of CO2.
Simple Installation A separate mounting plate makes installing the transmitter easy - simply attach the mounting plate to the wall and lock the transmitter body in place. The plastic plate protecting the electronics inside the housing includes easy instruction for the electrical connections.
Easy Field Maintenance Since the probes of the GMT220 transmitters are truly interchangeable, they facilitate easy field maintenance. The probes can either be replaced with newly calibrated probes or with separate probes that are only used as a reference for calibration checking. This minimizes downtime. The end user can do field maintenance without any additional equipment or heavy and expensive calibration gas bottles. Any replaced probes can be sent for recalibration.
Options • Digital LCD Display — The four-digit LCD panel displays diagnostics and the ppm or % (CO2) symbols. Back lighting makes the display easy to see in dark locations.
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
VA200420
GMT222
CO2 TRANSMITTER (0-2000PPM)
Yes
1,704,240
Please inquire for NIST Certification
VA200421
GMT222
CO2 TRANSMITTER 0-10,000PPM
Yes
1,704,240
Please inquire for NIST Certification
VA200422
GMT221
CO2 TRANSMITTER 0-5% VOL
Yes
1,704,240
Please inquire for NIST Certification
VA200423
GMT221
CO2 TRANSMITTER 0-20% VOL
Yes
1,704,240
Please inquire for NIST Certification
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