Four-wire
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Product
Octal Four-wire Multiplexer
SIM925
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Stanford Research Systems, Inc.
The SIM925 is an eight input channel, four-wire multiplexer for low-level signal applications. Kelvin-lead measurements are supported with optional buffering of the two sense leads
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Product
Industrial pH Meter (Four-Wire Analyzer)
HP-200-K
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One-touch calibration function Realizes gentle measurement by combination with lead-free ORP electrode
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Product
Field-installation Type Ammonia Nitrogen Meter(Four-Wire Transmission)
HC-200NH
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HC-200NH is an ammonia nitrogen(NH4-N) meter using ion electrode method which is designed for aeration control in wastewater treatment.
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Product
Panel-mount Type ORP Meter (Four-Wire Transmission)
HO-480
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The HO-480 industrial ORP meter is an ORP converter for measuring the oxidation-reduction potential of all types of solvent.Being combined with a lead-free sensor, it makes measurements in a way that is kind to the environment.
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Product
Field-installation Type Turbidity Meter (Four-Wire Transmission, Immersion Type)
HU-200TB-IM
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HU-200TB-IM connects immersion type turbidity/ MLSS sensor (SS-150) and measures turbidity and SS in activated sludge. The sensor can be immersed directly in the sample water tank. Optimal for turbidity and SS management of wastewater and intake.
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Product
Field-installation Type MLSS Meter (Four-Wire Transmission)
HU-200SS
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HU-200SS connects immersion type MLSS sensor (SS-90) and measures MLSS in activated sludge. A wide range (0-2000mg/L)of SS contents can be measured with excellent reproducibility using the near-infrared radiation transmission method. Any of the calibration curves of MLSS, Clay (inorganic mud) and Kaolin may be used as standard substances of SS. If "MLSS" is selected for an activated sludge treatment tank, "Clay" for the precipitation treatment of construction sludge, or "Kaolin" for white mud, a concentration can be obtained closer to an analyzed value.
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Product
Field-installation Type Electric Conductivity Meter (Four-Wire Transmission, For Low-concentration)
HE-200C
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HE-200 connects conductivity sensor (ESH/FS Series) and measures conductivity and temperature in the sample water. It is suitable for monitoring pure water/boiler water drainage recovery control and inline measurement of pharmaceutical water conductivity according to USP<645> quality guidelines.
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Product
Field-installation Type Simplified Fluoride Ion Concentration Meter(Four-Wire Transmission)
HC-200F
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HC-200F is connected to a fluoride ion electrode (1009) to detect free fluoride ions in the sample water.(Total fluorine is not detected.) It is suitable for fluoride ion monitoring in effluent from factories, e.g., those of semiconductor FPD and glass manufacturers.
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Product
Panel-mount Type Dissolved Oxygen Meter (Four-Wire Transmission, Membrane Type)
HD-480
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The HD-480 industrial dissolved oxygen meter takes sequential measurements of the concentration of dissolved oxygen, which is an indicator used in the management of activated sludge tanks in waste water processing, and the quality of the water in boilers, or rivers and waterways.As there is no need to exchange the membrane of the disposable sensor included, it is easy for anyone to use.
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Product
Panel-mount Type Conductivity Meter (Four-Wire Transmission, For Wide Range)
HE-960HI
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HE-960HI is a wide-range type sanitary electric conductivity meter that can measure over a wide range from manufacturing water up to 500 mS/cm, and enables advanced concentration management through abundant outputs. It connects conductivity sensor (FES-220/310). Cleaning-in-Place (CIP) terminal management and a reduction in cleaning solutions is also achieved through accurate surface detection.And we have developed a lineup of electric conductivity sensors that can be used in conjunction, from the conventional insertion type to the flow-through type with improved cleaning and sanitary properties.
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Product
Field-installation Type Residual Chlorine Meter (Four-Wire Transmission, Rotating Type)
HR-200RT
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HR-200RT is connected to a residual chlorine sensor (RA-30), which allows the free residual chlorine concentration to be measured with high accuracy. It is sutable for waterworks, pool water sterilization, and desalination systems. The measurement method is a three-pole polarographic method, which enables continuous monitoring of residual chlorine concentrations without using reagents.Stable measurement over a long period was realized by physical polishing cleaning using beads.
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Product
Field-installation Type Dissolved Oxygen Meter (Four-Wire Transmission, Membrane Type)
HD-200
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HD-200 connects the DO (Dissolved Oxygen) sensor (DO-1100) and measures the DO in the sample water.The measurement method is membrane type polarography method. It is suitable for monitoring DO in wastewater treatment or aquarium for aquaculture.
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Product
Panel-mount Type pH Meter (Four-Wire Transmission, Industrial Time sharing Proportional Control)
HP-480TP
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HP-480 connects pH sensor and measures pH and temperature in the sample water. Suitable for monitoring and control of various production processes and wastewater treatment, etc. Many types of electrodes are available to match the sample properties.HP-480TP is a pH meter with a time sharing proportional control function, making it ideal for tasks such as interval processing in any type of control process.
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Product
Field-installation Type Residual Chlorine Meter (Four-Wire Transmission, Water flow beads)
HR-200
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HR-200 is connected to a residual chlorine sensor (RA-20), which allows the free residual chlorine concentration to be measured with high accuracy. It is sutable for waterworks, pool water sterilization, and desalination systems. The measurement method is a three-pole polarographic method, which enables continuous monitoring of residual chlorine concentrations without using reagents. Stable measurement over a long period was realized by physical polishing cleaning using beads.
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Product
Battery Fault Insertion Unit
Fault Insertion Unit
The Battery Fault Insertion Unit (FIU) provides intelligent switching of cell-simulation channels for the Battery Simulator 1200. The switching capability enables simulation of open-circuit and short-to-rail fault conditions on any cell channel for the purposes of battery management system (BMS) testing. Additionally, a four-wire auxiliary input allows you to connect an external digital multimeter (DMM) instrument to any cell channel for very high-accuracy bypass current and cell voltage measurements. Each FIU provides 24 independently-programmable cell-switching channels for one or two 12-cell Battery Simulator 1200 units. Additional Battery Simulator 1200 and FIU instruments can extend functionality up to 120 series-connected cell channels.
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Product
Panel-mount Type Conductivity Meter (Four-Wire Transmission, 2-channel)
HE-960CW
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HE-960CW connects conductivity sensor (ESH /FS Series) and measures conductivity and temperature in the sample water. It is ideal for the conductivity control of the purified water, pasteurized water, and water for injection that are used in the production of pharmaceuticals.And we have developed a lineup of electric conductivity sensors that can be used in conjunction, from the conventional insertion type to the flow-through type with improved cleaning and sanitary properties.
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Product
Field-installation Type Turbidity Meter (Four-Wire Transmission, For Wide Range)
HU-200TB-W
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HU-200TB-W is a turbidity meter developed to continuously measure turbidity in processes with large turbidity changes, such as water intake and sedimentation tanks in water supply plants. It employs transmission 90-degree scattered light method and is ideal for monitoring changes in processes with large turbidity changes from low range (10 degrees) to high range (2000 degrees). An electric wiper cleaning can be installed as an option, and long-term stable measurement is possible by periodic cleaning.
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Product
Field-installation Type pH Meter (Four-Wire Transmission)
HP-200
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HP-200 connects pH sensor and measures pH and temperature in the sample water. Suitable for monitoring and control of various production processes and wastewater treatment, etc. Many types of electrodes are available to match the sample properties.
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Product
Panel-mount Type pH Meter (Four-Wire Transmission)
HP-480
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HP-480 connects pH sensor and measures pH and temperature in the sample water. Suitable for monitoring and control of various production processes and wastewater treatment, etc. Many types of electrodes are available to match the sample properties.
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Product
Resistance Measurement
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PROMET 100 / 200 / 600 high-accuracy, precision ohm meters deliver an adjustable test current up to 600 A which is independent of the supply voltage. They utilize the four-wire resistance measurement method, enabling them to meet extremely stringent accuracy requirements when determining resistance values in the micro-ohm range.State-of-the-art power electronics coupled with a robust design guarantee maximum reliability, even when used as portable devices in switching stations or industrial environments.The modern operating concept, an interface to the test systems of the ACTAS product line and an optional remote control unit make these micro-ohm meters flexible and versatile.
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Product
Panel-mount Type pH Meter (Four-Wire Transmission, 4 point ararm, Time sharing Proportional Control)
HP-960FTP
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HP-960FTP industrial pH meter is a high-end pH meter with a four-point alarm and a time sharing proportional control function.It connects pH sensor and measures pH and temperature in the sample water.It can also be linked with a cleaning device via an external input, extending its automatic operation time.Many types of electrodes are available to match the sample properties.
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Product
Short Circuit Locator for Power Cables
A910
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The A910 is a short circuit locator designed for fault location in power cables. The instrument measures the ratio of the resistances of the two sections of failed conductor using a four-wire "Kelvin" connection, thus eliminating errors associated with contact resistances of the test leads. With the A910 you can determine if the cable has more than a short and locate the first and the last fault. The instrument locates fault with an insulation resistance up to 5 Mohms in cables that have a total resistance greater than 5mohm (approximately 90 m of 300 sqmm cable) and less than 30 kohms. The distance to fault is measured as a percentage of the total length of cable and is displayed on a large LCD display.
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Product
Field-installation Type Color Meter (Four-wire Transmission)
HU-200CL
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HU-200CL connects flow through color detector Cl-20 and measures color and turbidity in the sample water. Suitable for monitoring purified water.
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Product
Panel-mount Type Residual Chlorine Meter (Four-Wire Transmission, polarography method type)
HR-480P
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Panel-mount type transmitter HR-480P connects residual chlorine sensor (RA-20) and measures residual chlorine and temperature in the sample water. Suitable for monitoring swimming pool and anti-bacterial properties of drinking water.
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Product
Electronic Resistance Store
MPS2
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The MPS2 module is a mezzanine module designed to form DC resistance in two channels with a four-wire measurement circuit. MPS2 is installed on the mezzanine carrier - the NMU module and is connected to it via a local information highway. Up to four mezzanines of various types can be installed on the NMU module. The NMU module together with the mezzanines installed on it forms a VXI module of the size C-1 and is used to create information measuring VXI systems.
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Product
Four Wire Modem for SEL Mirrored-Bits
MBT 9600
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Application specific features set the MBT9600 Four Modem apart from the conventional high speed modems. Its compact size and ease of installation make the MBT9600 an ideal, low cost alternative to conventional audio tone teleprotection systems.The circuitry is ideally suited for use over private networks such as conventional voice channels over analog microwave.
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Product
Field-installation Type Electric Resistivity Meter (Four-Wire Transmission)
HE-200R
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HE-200R connects resistivity sensor (ERF Series) and measures resistivity and temperature in the sample water. It is suitable for measurement of UPW resistivity.
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Product
Panel-mount Type Resistivity Meter (Four-Wire Transmission, 2-channel)
HE-960RW
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HE-960RW connects resistivity sensor(ERF sereies) and measures resistivity and temperature in the sample water.This resistivity meter is ideal for such applications as the high-precision water monitoring employed at ultra-pure water plants used in semiconductor manufacturing.They utilize newly designed, high-precision, high-stability temperature measurement circuitry and a vastly improved temperature compensation function, an important element for measuring the resistivity of ultra-pure water.
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Product
Field-installation Type Dissolved Oxygen Meter (Four-Wire Transmission, Optical Type)
HD-200FL
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Optical dissolved oxygen sensor with no electrolyte replacement and rugged membrane.Highly intelligent, including automatic recognition of membrane properties when replacing the sensor cap.The HD-200FL is an optical (fluorescent) dissolved oxygen meter suitable for monitoring aeration tanks used for sewage treatment, effluent treatment, and other processes. Compared to conventional membrane polarographic type sensors, there is no need for electrolyte (internal fluid) replacement or warming, up. Characteristics of optical sensors are utilized to realize unequaled, improvement in ease of maintenance and reduction in running costs. Moreover, it features enhanced user-friendliness, with sensor caps that have built-in memory and a membrane replacement notification function.
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Product
Resistance Meter
MT8-4L
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М-module МТ8-4Л is a mezzanine module designed to measure the resistance of resistive sensors using a four-wire measurement circuit in eight channels (eight-channel digitizer). М-module МТ8-4Л is installed on the carrier of mezzanines - module НМ-М and is connected to it via a local information highway. Up to four m-modules of various types can be installed on the NM-M module. The NM-M module, together with the m-modules installed on it, forms a VXI module of size C-1 and is used to create information measuring VXI systems.
