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Cleanroom Air Flow Monitoring and Environmental Monitoring

EnviroWatch ThermHygrometer

Automated FFU control systems help meet FDA and other compliance regulations. Add options including environmental monitoring and data logging. Click for details

EnviroWatch™ ThermoHygrometer

  • Allows convenient temperature and humidity monitoring
  • Price includes control panel mounting on Terra's Modular Cleanroom
  • Large-format LCD display is easy to read

Terra's EnviroWatch™ provides a convenient, inexpensive solution to temperature and humidity monitoring inside a modular cleanroom.

Designed for easy mounting on Terra cleanroom control panels, the EnviroWatch™ includes separate LCD dual readouts for temperature (°C or °F) and % relative humidity. The 3" x 3" (76 mm x 76 mm) LCD display is easy to read.

Measuring Range: 10°C to 60°C (14°F to 140°F) / 20 to 100% RH.

Dimensions: 4"W x 4.25"H102 mm x 108 mm (overall)
3.5"W x 3.25"H89 mm x 83 mm (panel cut-out)
Power: Single AAA battery (included)
Cat. # Price
5401-30 Price

AirGard Air Velocity Monitor


AirGard® Air Velocity Monitor

  • Provides constant reading of air velocity for easy monitoring of cleanroom performance
  • Audible and visual alarms let you know when air speed falls below 90 fpm (0.5 m/s) (or other critical velocity)
  • Flush mounts to Terra Modular Cleanroom control panel
  • Easy to field calibrate

This flush-mount air velocity monitor allows you to monitor the vertical speed of air inside a Terra cleanroom.

Its dual setpoint capability enables you to determine critical high/low air speed thresholds. When the air speed exceeds the “safe” range, the AirGard® issues audible and visual alarms to alert you to a clogged filter or other problem. Price includes installation in specified cleanroom.

Dimensions: 5.25"L x 3.0"W x 0.625"D
133 mm x 76 mm x 16 mm
Display/Alarm Range: 50 – 250 fpm (0.25 m/s – 1.27 m/s)
Alarm Delays: User configurable through menu
Units: English and Metric (user-selectable)
Visual Display: Analog bargraph: Red zone - alarm Yellow zone - marginal Green zone - normal
Jumbo LEDs (digital LCD can be enabled)
Alarm Indications: Jumbo red LED and audible alarm (85 dB @ 4", 102 mm)
Calibration: 2-point field calibration
Accuracy: ± 10% or 10 fpm (0.05 m/s), whichever is greater
Operating Temperature: -40 to +150°F (-40 to +65°C)
Cat. # Price
110VAC/60Hz 6704-65 Price
220VAC/50Hz 6704-65-220 Price

MAGNEHELIC Differential Pressure Gauge

MAGNEHELIC® Differential Pressure Gauge

Provides an ideal way of monitoring the positive pressure differential required for effective contamination control inside a hardwall Modular Cleanroom.

Exclusive MAGNEHELIC® principle eliminates wear, backlash and hysteresis. Available in many pressure ranges.

Pressure Range Cat. # Price
0 - 0.5 2625-08
0 -1.0 2625-09
0 -2.0 2625-10

Airborne Particle Counters

Airborne Particle Counters

Sensitivity to 0.1 microns. Hand-held and benchtop models available, many with built-in printers.

File Type File Name Publication Date
White Paper (PDF) Cutting Cleanroom Costs
A few simple modifications to your cleanroom can increase efficiency, boost performance and slash operating expenses. Read about the steps you can take to optimize your controlled-environment facility.
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