Dwyer Instruments, Inc.

Electro-Pneumatic Positioner survives harsh environments.
Communication Systems & Equipment

Electro-Pneumatic Positioner survives harsh environments.

Supplied in NEMA 4X-rated enclosure compact enough to be used with any size actuator, Series 275 PRECISOR® III Positioners control valve stroke of rotary motion valves based on 4-20 mA input signal from controller. Output analog feedback signal is included to stabilize any valve system, while functions such as auto calibration ensure accuracy. LCD screen, attached to outer face of unit, allows...

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Process Filter Gage determines state of in-line filter.
Test & Measurement

Process Filter Gage determines state of in-line filter.

Intended for applications that require filter status check, Series PFG determines pressure drop on either side of filter through -¼ in. female NPT pressure connections, and relates value to 1 of 3 zones. Green indicates clean, while yellow recommends change, and red means filter is dirty. In addition to filter applications, Series PFG is suited for line loss, valve drop, and other differential...

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Dry Gage is designed for cryogenics applications.
Test & Measurement

Dry Gage is designed for cryogenics applications.

Featuring 6 in. dial face as well as wetted parts of 316SS and Fluoroelastomer (FKM), Series CLG Cryogenic Level Gage is available with aluminum, brass, or stainless steel body and suited for liquid level, line loss, and valve drop applications. Flexible elastomer diaphragm design provides accurate (±3-2-3%), direct-acting, low-range differential pressure indicator. Construction is also...

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Averaging Flow Sensors have elongated, lightweight design.
Sensors, Monitors & Transducers

Averaging Flow Sensors have elongated, lightweight design.

Available in sizes from 3 5/32-23 29/32 in., Series SSS-1000 is used for sensing differential pressure (DP) in inlet section of variable air volume terminal units and fan terminal units. It can also be used to sense DP at other locations in main or branch duct systems. Constructed with wetted materials of ABS/polycarbonate (UL94-5V), 1 oz products have integral flange with gasket for mounting and...

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Real-Time USB Data Logger records temperature and RH.
Test & Measurement

Real-Time USB Data Logger records temperature and RH.

With DW-USB-RT, users can monitor temperatures from -4 to +158°F with ±3°F accuracy, humidity from 0-100% with 4.5% RH accuracy, and dew-point through USB port of their PC. Device continuously samples at 1 sec rate and stores up to 32,764 readings in memory. Real-time and recorded readings can be displayed via included Windows®-based application and exported to Excel® spreadsheet, and e-mail...

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Duct-Mounted Station measures airflow in turbulent conditions.
Communication Systems & Equipment

Duct-Mounted Station measures airflow in turbulent conditions.

Designed to measure airflow in duct systems with turbulent conditions at point of measurement, Series STRA delivers accuracy to within 2% of actual flow over 100-10,000 fpm velocity range. It consists of single or multiple airflow elements, factory-mounted and pre-piped in casing designed for flanged connection to ductwork. Also included, airflow straightening section, using honeycombing with -½...

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Temperature Data Logger has compact, submersible design.
Test & Measurement

Temperature Data Logger has compact, submersible design.

Measuring 2.6 in. tall x 0.7 in. dia, Model STDL-10 can record 32,767 temperature measurements over -40 to +176°F range with ±0.9°F accuracy and 0.2°F resolution. Programmable high and low alarms are indicated with green and red LEDs, and DL700 software facilitates data retrieval while also allowing for user-selectable sampling rates from 2 sec to 12 hr. Data logger can be started/stopped...

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Data Logger is built to withstand elevated temperatures.
Test & Measurement

Data Logger is built to withstand elevated temperatures.

Submersible and portable Model HTDL-10 comes with 2 in. rigid external probe to ensure accelerated readings from -40 to +302°F, with resolution of 0.1°F and accuracy of ±0.9°F. Sampling rate is selectable from 1 sec to 12 hr, and up to 32,767 measurements can be stored in internal memory. While DL700 software facilitates retrieval of data, unit can be started and stopped from PC or delayed to...

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Air Flow Measuring Probes are suited for duct applications.
Sensors, Monitors & Transducers

Air Flow Measuring Probes are suited for duct applications.

Exhibiting overall accuracy of ±2%, Series DAFM probes use evenly distributed total and static pressure measuring points to determine air flow in ducts. They are constructed with wetted materials of aluminum, featuring clear anodized finish, and intended for installation from completely outside of fan, promoting use in HVAC industry. Available to fit ducts with diameters from 6-96 in., probes...

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Hand Pump enables ergonomic pneumatic calibration.
Fluid & Gas Flow Equipment

Hand Pump enables ergonomic pneumatic calibration.

Suited for use with air and compatible gases, Series PCHP Pneumatic Calibration Hand Pump is engineered to source pressure and vacuum to check calibration of gages, switches, and recorders. Ergonomically designed cushion grips provide lend to comfort while simultaneously enhancing pump performance. All pistons utilize dual o-rings to ensure zero leakage, and oversized check valve provides smooth...

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