Instruments & Controls
Staff -- Plant Engineering, 7/1/2003
Position control
GNT 100 is a direct-mount actuator with 100 in.-lb of torque for valve and damper positioning applications. The actuator, which includes a 1-kOhm potentiometer for position feedback, is positioned by 120-Vac signals that turn the actuator CW or CCW. Optional 4_20-mA version (GNT100C-S) includes high and low fire end switches.
GN Electronics, Inc. gnelectronics.com Write 330 on PE card
Humidity/temperature transmitter
HX50 series humidity transmitters are designed for monitoring indoor air quality in HVAC industry. HH51 measures RH; HH52 simultaneously measures temperature and RH. Outputs are configurable for 0_1 Vdc, 0_5 Vdc, or 4_20 mA dc, and can be powered by 120 Vac, 220 Vac, or 10_30 Vdc. Options include an LCD display, RS-232C data link, and remote probe filter for dusty environments.
OMEGA Engineering, Inc. omega.com Write 331 on PE card
Remote display
LaserLight series remote display is designed to improve visibility for any industrial scale application. The display employs a light-sensing feature that automatically adjusts the intensity of the display for optimum viewing under all ambient light conditions. The high-intensity LEDs provide a sharp image of weigh values for a distance of more than 220 ft.
Rice Lake Weighing Systems rlws.com Write 332 on PE card
Electronic flow switch
FS 10 is an electronic flow switch that combines a solid-state relay with a flow sensor in one compact unit. The unit responds to flow rates in gas or liquid with temperatures from _13 F to 212 F and measures gas flow rates from 0.5 to 50-m/sec and liquid flow rates from 0.01 to 3 m/sec.
E-T-A Circuit Breakers etacbe.com Write 333 on PE card
Analog output modules
BusWorks 972PB and 973PB analog output modules deliver data from a Profibus-DP network as voltage or current signals to as many as six measurement or control devices. Modules feature 12-bit digital-to-analog (D/A) converters, failsafe outputs, and 3-way isolation.
Acromag, Inc. acromag.com Write 334 on PE card
Acoustic sensors
Models 765M25 and 765M27 are high-intensity acoustic sensors (microphones) designed to measure gas-borne sound in the 100-Hz to 30-kHz range in industrial applications requiring operation up to 500 F. The acoustic sensors are constructed for use in corrosive environments.
Columbia Research Laboratories columbiaresearchlab.com Write 335 on PE card
Hybrid control system
Micro 2008R and 2016R are ultracompact controllers with hot standby control. Built-in redundancy protects against failure from controller to I/O. The controllers combine PLC-like high-speed scanning with the complex control systems of a DCS.
RTP Corp. rtpcorp.com Write 336 on PE card
