Environmental monitoring utilizes several measurement tools to determine the current state, or to establish patterns of change, of an environment. Such monitoring is the basis of environmental impact studies which determine the potential effects of development and other activities upon the environment. Environmental monitoring can include air quality monitoring, soil monitoring, and water quality monitoring.

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RKI Instruments GX-2009 Confined Space Monitor
Simultaneously monitors & displays up to 4 gases; LEL, O2, H2S & CO, with vibration, audible & visual alarms
$470.00
$376.00
In Stock
YSI Professional Plus Multiparameter Meter
The toughest, smartest and most versatile water quality meter available
$1,290.00
$1,225.50
In Stock
HOBO RX3000 Remote Monitoring Station Data Logger
Cloud-based, research-grade data logging weather station with plug-and-play convenience
$899.00
In Stock
Sixth Sense PG10 and PG20 Paperless Recorder
Highly capable quality assurance instruments with advanced features to record and display nearly any industrial signal
$964.00
In Stock
Setra 264 Pressure Transducer
Very low differential pressure transducer for building energy management
$398.23
Setra MicroCal Pressure Calibrator
Stand-alone calibration standard for differential and gauge pressure sensors found in critical environments
$8,704.17
Keller LevelRat Submersible Level Transmitter
Non-fouling level transmitter specifically designed for sewage lift stations for depths up to 100 feet of water
$537.50
Keller Acculevel Submersible Level Transmitter
Level transmitter submersible to 900 feet of water with RS485 and choice of 4-20mA, 5VDC, 10VDC or SDI-12 ouput
$502.50
Setra 230 Pressure Transducer
Wet-to-Wet, low differential pressure transducer for liquids & gases
$858.18
Setra 231RS Pressure Transducer
Wet-to-wet, differential, multi-configurable, reduces labor, materials, and time.
$1,206.84
Setra 270 Pressure Transducer
SETRACERAM™ sensor, ±0.05% FS accuracy, barometric, gauge or absolute pressure, non-condensing air or gas
$1,972.40
Keller Valueline High Accuracy Pressure Transmitter
Up to 15,000 PSI precision pressure transmitter with choice of 4-20mA, 5VDC, or 10VDC ouput
$330.00
Setra 267 Pressure Transducer
Very low differential pressure transducer with uni-directional, bi-directional, or multi-range (267MR) options
$418.67
In Stock
Keller Preciseline High Accuracy Pressure Transmitter
Up to 15,000 PSI precision pressure transmitter with RS485 and choice of 4-20mA, 5VDC, 10VDC or SDI-12 output
$495.00
Define Instruments Zen IoT Gateway & Data Logger
IoT edge processor with real-time OS, up to 22 inputs/40 inputs/outputs, 8 Isolated outputs, RS485 ModBus RTU master/slave interface
$709.31
Krohne TIDALFLUX 2000 Electromagnetic Flow Meter
Electromagnetic flow sensor with integrated, non-contact capacitive level measurement for partially filled pipes
Select options for pricing
Keller Econoline General Purpose Pressure Transmitter
Up to 10,000 PSI pressure transmitter with 1/4in-18NPT male process connection and choice of 4-20mA or 0.5 to 4.5VDC ouput
$155.00
In Stock
Setra 231 Pressure Transducer
Wet-to-wet, differential, multi-configurable pressure transducer
$1,023.82
Setra Model 239 Pressure Transducer
High accuracy, low range pressure transducer
$1,647.61
Edgetech RH CAL Portable Relative Humidity Calibrator
Portable, NIST traceable chilled mirror calibration chamber for relative humidity, temperature, and dew point
$13,750.00
Keller Levelgage Submersible Level Transmitter
Level transmitter submersible to 900 feet of water with choice of 4-20mA, 5VDC, or 10VDC ouput
$337.50
Keller 35X HTC Pressure Transmitter
Piezoresistive high temperature transmitter for temperatures up to 572°F (300°C)
$1,170.00
Setra 265 Pressure Transducer
Versatile, cost effective low pressure transducer designed for use with building energy management systems
$307.79
E+E EE210 Humidity / Temperature Transmitter
High accuracy measurement of relative humidity and temperature in demanding climate control applications
$236.00
HOBO TidbiT v2 Temperature Data Logger
Waterproof to 300 meters (1,000 feet), durable logger for measuring water temperature, 12-bit resolution, ±0.2°C accuracy
$133.00
HOBO Pendant Temperature Data Loggers
Economical, weatherproof, and waterproof temperature data loggers designed for short and long term monitoring applications
$42.00
Define Instruments Nimbus IoT Cloud Interface
2 4–20ma inputs (non-isolated), 4 digital inputs, direct wireless interface, optional RS485 ModBus RTU master/slave interface
$414.13
HOBO H21-USB Micro Station Data Logger
Weatherproof data logger for multi-channel monitoring of microclimates, accepts up to five plug-and-play Smart Sensors
$220.00
Keller Nanolevel Submersible Level Transmitter
Low pressure level transmitter submersible to 10 feet of water with RS485 and 4-20mA ouputs
$602.50
Keller Microlevel Submersible Level Transmitter
Small diameter level transmitter submersible to 900 feet of water with RS485 and 4-20mA ouputs
$602.50
In Stock
Define Instruments Zen RTU Remote Terminal Unit
16 channel monitoring & control station with choice of isolated or non-isolated inputs
$699.00
In Stock
Setra Power Patrol Power Meter
Advanced, networked 3-phase power meter
$618.10
Setra 269 Differential Pressure Transducer
Unidirectional range: 0 to 0.1 to 0 to 10.0 WC, bidirectional range: ±0.05 to ±5.0 WC
$751.03
Graphic Controls TrekTag NFC Temperature Data Logger
Records up to 800 temperature data points in a measurement range of -4 to 122°F (-20 to 50°C)
$24.00
In Stock
InTemp CX402-Tx Temperature Data Loggers
Monitors refrigerators and freezers, and uses Bluetooth Low-Energy to send data to mobile devices
$159.00
In Stock
Keller 33 X Ed / 35 X Ed Pressure Transmitter
Pressure proof housing for hazardous locations, microcontroller-based electronic evaluation to ensure maximum accuracy
$1,087.00
Define Instruments Zen RTU Mini Remote Terminal Unit
Compact DIN rail mount design, analog signal transmitter with 4, 12 or 16 isolated universal inputs
$844.00
In Stock
Setra 276 Barometric Pressure Transducer
SETRACERAM Sensor, 0.25% FS accuracy, barometric or absolute pressure
$654.30
HOBO MX2501 pH Data Logger
Bluetooth low energy-enabled monitoring of pH in both freshwater and saltwater environments
$695.00
Keller 35X HT / 35X HTT Pressure Transmitters
Piezoresistive pressure transmitter for applications in bio-reactors or autoclaves, pressure ranges of -1 up to 30 bar
$840.00
NoShok 400 Series Needle Valve
100% helium leak tested, 10k pressure rated, Blow-out proof stem, 1/4" NPT up to 1 1/2" NPT connection options
$56.40
InTemp CX403 Ambient Temperature Data Logger
Logger with internal sensor uses Bluetooth Low-Energy to send data to mobile devices
$119.00
In Stock
Setra AccuSense ASL Pressure Transducer
Designed for low differential pressure measurements of air or other clean gases
$1,656.84
Setra SRH Humidity Transmitter
Wall mount, duct mount, and outside air humidity transmitters
$139.71
Laurel Laureate Load Cell, Strain Gauge & Microvolt Digital Panel Meter
20 mV to 500 mV full-scale ranges, 4- or 6-wire connection
$305.00
W.E. Anderson BBV-0 Block Manifold
2-valve block manifold is designed to withstand repeated open/close operations
$97.00
Keller 23 Ed / 25 Ed Pressure Transmitters
Piezoresistive pressure transmitters with pressure proof housing are approved for use in explosion risk areas of group II
$673.00
Setra CTC Series Current Transducers
Clamped split core design, slide switch for selectable amperage ranges of 30, 60, 120A
$144.33
Laurel Laureate AC Voltage & Current Panel Meter
True RMS AC voltage & current meter with 1 cycle update at 50/60 Hz
$284.00
NoShok 100 Series Needle Valves
Compact size valve built for maximum durability and robust performance in the toughest applications
$36.88
Laurel MAGNA Series Panel Meters
Oversized display is available with digits up to 8 inches high for viewing distances up to 320 feet
$660.00
NoShok 850 Series Temperature Transmitters
Electronic indicating temperature transmitter / switch, PT100 technology to provide continuous temperature monitoring
$470.05
InTemp CX402-VFCx Temperature Data Logger
Made for the Vaccines for Children program and includes logger, probe and Glycol bottle
$159.00
Laurel Laureate Ohm Panel Meter
Optimized for high-speed, high-accuracy resistance measurements in a production environment
$242.00
InTemp CX402-TxM Temperature Data Loggers
Monitors refrigerators and freezers, and uses Bluetooth Low-Energy to send data to mobile devices
$149.00
In Stock
Setra Model CSS / CSC Digital Current Switches
Solid core or clamped/split care design, adjustable switch setpoints
$50.14
Laurel Laureate Process & Ratio Panel Meter
Digital panel meter with scalable readout & control outputs for pressure, level, flow, and other process signals
$242.00
Laurel Laureate RTD Panel Meter
Highly accurate and repeatable panel meters factory calibrated for Pt 100, Pt 100 ANSI, Ni 120 and Cu 10 RTDs
$242.00
Laurel M-35 Panel Meter
Micro-miniature process display is the perfect solution when the indicator must be as small as possible
$150.00
Laurel Laureate Thermocouple Panel Meter
Factory calibrated to read type J, K, T, E, N, R and S thermocouples with exceptional accuracy and repeatability
$242.00
InTemp CX402-VFCxM Temperature Data Logger
Made for the Vaccines for Children program and includes logger and probe
$149.00
E+E Omniport 30 Multi Function Monitor
Handheld, continuous and single-point data logging, 23 parameters, capacitive TFT touch-screen
$785.00
Isotech 935-14-13 Semi Standard PRT
Platinum resistance thermometer, -196 to 250°C temp range
$686.00
Isotech PRT Probe
300 mm PRT for temperatures from -50°C to 250°C
$482.00