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MA250: 200A AC Clamp Meter + NCV

MA250: 200A AC Clamp Meter + NCV

1718

The compact Extech MA250 200 A AC/DC clamp meter offers maintenance technicians, electricians, and DIYers a test instrument that delivers a high level of features and value. In addition to a host of core multimeter and current measurement capabilities, it also features a built-in non-contact voltage (NCV) detector. The heart of the Extech MA250 is a full-function digital multimeter. Measurement functions cover most types of troubleshooting over and above noninvasive current probe measurements: voltage, resistance, capacitance, frequency, duty cycle, diode and continuity tests. Even measure temperature with the supplied Type K bead wire temperature probe. The Extech MA250 comes with test leads, a general purpose Type K bead wire temperature probe, two AAA batteries, a carrying case, a user manual, and a one-year limited warranty.
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Duostats

Duostats

2176

The Clorius Duostats are thermostats, type V, which via two sensing elements in a common hydraulic system act on one and the same control valve. Two basic types are available: Clorius V4.05- or Clorius V4.10 duostat, depending on the preferable proportional band PB, and the valve size. The sensing elements are two spiral sensors for the ventilation duct or two-rod sensors (a combination of one spiral sensor and one-rod sensor may be supplied in certain combinations). The effect, which the two sensing elements have on the adjustment, is proportional to the liquid volume of the individual sensors. Duostats are therefore available with varying proportions between the liquid volumes of the two sensors (sensor proportions) and in that way they can meet the requirements made by a number of different adjustment problems. As the adjustment result is a weighted average value of the temperatures of the two sensors, nofixed adjustment value can be indicated. Hence, Duostats are not equipped with a temperature scale, but with a marking for adjustment towards higher or lower temperatures, respectively.
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V2 / V4 / V8 Self-Acting Thermostats

V2 / V4 / V8 Self-Acting Thermostats

9143

The temperature controller, which consists of a thermostat and a valve, is used to control the temperature in central heating systems, district heating systems, industrial plants or industrial processes, and marine systems. The Clorius V2 / V4 / V8 Self-Acting Thermostats can be used to control cold or hot water, steam or oil in heating and cooling systems. Thermostat A thermostat consists of a sensor and a capillary tube, fi filled with liquid, and an adjusting cylinder. The thermostat type designations and technical data are specifi ed in fi g. 2. With temperatures above 170ºC, a cooling unit must be fi fitted between the valve and the thermostat – see fi g. 1. The thermostat is self-acting and works on the principle of liquid expansion, it is sturdy in its design, and works with a large closing force – see fi g. 2 Sensor The following sensor types are available : Rod sensor in copper or stainless steel and spiral sensor in copper with threaded connection according to ISO R7/1. Spiral sensor (copper only) with air duct flange. Rod/spiral sensor with steel flange DN 50, PN 40 and DN 50, PN 160. Sensor without connection. Usually used with capillary pack box for temperature control in tanks. Capillary Tube The capillary tube is made of copper, stainless steel, or PVC-coated copper but can also be delivered with flexible iron tube protection.
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MA620: 600A True RMS AC Clamp Meter + NCV

MA620: 600A True RMS AC Clamp Meter + NCV

9719

The Extech MA620 600A True RMS AC clamp meter offers plant maintenance techs, electrical troubleshooters, and DIYers a test instrument that delivers a combination of high performance and exceptional value. In addition to a host of advanced multimeter and current measurement capabilities also has a built-in, non-contact (NCV) voltage detector. You can select auto- or manual-ranging modes. Measurement functions cover all types of troubleshooting over and above noninvasive current probe measurements: voltage, resistance, capacitance, frequency, duty cycle, diode and continuity tests. Even measure temperature with the supplied Type K bead wire probe. Complete with test leads, general purpose Type K bead wire temperature probe, 9V battery and carrying case.
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