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Acceleration
DT138
The DT138 is a high performance, high accuracy accelerometer. The DT138 measures accelerations from -49m/s² to +49m/s². The sensor measures gravitational forces and acceleration-induced forces in the same way. At rest the sensor measures 1g when pointing downward, -1g when pointing upward and zero when positioned horizontally.
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Ammonium
AC020A
The AC020A Ion Selective sensor is used for fast, reliable and accurate measurement of Ammonium concentration in aqueous solutions. The AC020A consists of an electrode and Fourier's ISE amplifier/adaptor.
FastFil electrode design (now discontinued): Download PDF
PermaFil electrode design (sold from Feb. 2008): Download PDF
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Anemometer
AC012
The AC012 is actually two sensors mounted on one arm. The wind caps are used to measure wind speed and the wind vane measures the wind direction. Only one cable connects the Anemometer to the MultiLog.
The Anemometer can work at sampling rates up to one per second.
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Breathing
DT037
The DT037 is a breathing sensor. Based on air speed, the DT037 calculates the airflow rate of a user who breathes into it. The results are shown as liters per minute. The DT037 consists of Fourier's egg-shaped sensor case with a unique breath sensor tube.
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Calcium
AC019A
The AC019A Ion Selective sensor is used for fast, reliable and accurate measurement of Calcium concentration in aqueous solutions. The AC019A consists of an electrode and Fourier's ISE amplifier/adaptor.
FastFil electrode design (now discontinued): Download PDF
PermaFil electrode design (sold from Feb. 2008): Download PDF
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Charge
DT261A
The sensor is a dual range, all purpose charge sensor that can be used in many electrostatic experiments. It will replace the traditional electroscope in most cases and has the advantages of performing quantitative measurements and indication of charge polarity. DT261A is equipped with zero button and range switch.
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Chloride
AC018A
The AC018A Ion Selective sensor is used for fast, reliable and accurate measurement of Chloride concentration in aqueous solutions. The AC018A consists of an electrode and Fourier's ISE amplifier/adaptor.
FastFil electrode design (now discontinued): Download PDF
PermaFil electrode design (sold from Feb. 2008): Download PDF
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CO2 Gas Sensor
DT040
The DT040A is a new solid electrolyte CO2 sensor which offers high selectivity to CO2, low dependency on humidity and compact size. A range of 350 to 5,000 ppm of carbon dioxide can be detected by DT040, making it ideal for indoor air control applications. The DT040A is supplied with with a 100 mL plastic sampling bottle and a rubber stopper.
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Colorimeter
DT185
The DT185 Colorimeter is designed to determine the concentration of a solution by analyzing its color intensity. Supplied with three color-filter slides.
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Conductivity
DT035A
The DT035A is designed to measure conductivity of liquids and solutions. It detects conductivity in the range of 0 to 20 mS (millisimens). The DT035 consists of a conductivity electrode, an egg-shaped adapter and a connecting wire.
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Control Switch
DT110/111
The control switch is connected to the same MultiLog output as the sensor and opens or closes an electrical circuit when the sensor passes certain predefined values.
Two types of control switch are available: N.C. (normally closed) and N.O. (normally open).
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Current (±2.5A)
DT005
The DT005 sensor is an ampere meter, measuring current values between -2.5 and 2.5 amperes. The DT005 is a differential sensor, capable of measuring both direct and alternate current. The sensor uses the Fourier Systems egg shaped sensor case, and has two durable banana plugs for easy connection.
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Current (±250mA)
DT006
The DT006 sensor is an ampere meter, measuring current values between -250 and 250 mA. The DT006 is a differential sensor, capable of measuring both direct and alternate current. The sensor uses the Fourier Systems egg-shaped sensor case, and has two durable banana plugs for easy connection.
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Distance
DT020-1
The DT020-1 measures the distance between the sensor and an object and can sample data at up to 25 times per second, making it excellent for motion and movement experiments.
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Drop Counter
DT293
The Drop Counter is an optical sensor that accurately records the number of drops of titrant added during a titration. The Drop Counter software can automatically convert the number of drops into volume. It will also record pH and temperature values and calculate the first and second derivatives of the pH for easy equivalence point determination. The Drop Counter can also be used for conductimetric or tentiometric titrations using our Conductivity Probe or Ion-selective Electrodes.
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EKG
DT189
The EKG (Electrocardiogram) measures cardiac electrical potential waveforms (voltages produced during contractions of the heart).
The sensor comes with a package of one hundred silver/silver chloride electrode patches that can be attached to the skin. The sensor's circuitry isolates the user from the possibility of electrical shock.
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Force
DT272
The DT272 Force sensor has two ranges: ±10N or ±50N. It can be easily mounted on a stand or dynamics cart, or used as a replacement for a hand-held spring scale.
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Geiger-Muller Counter
DT116
The DT116 is equipped with a built-in GM-tube and integral power supply. The DT116 is also equipped with a power indicator and audio alarm as each pulse is recorded. The DT116 is sensitive to Alpha, Beta and Gamma radiation.
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Heart Rate/Exercise
DT298A
The Exercise Heart Rate sensor is ideal for determining the heart rate of active people by measuring the heart rate before, during and after exercise. The sensor is comprised of a wireless transmitter belt and a receiver module that plugs into fourier's MultiLogPRO or EcoLog XL. Similarly to the EKG, the Exercise Heart Rate Sensor, specifically the transmitter belt, senses the electrical signals generated by the heart. Every heart beat sends an electrical signal to the receiver module, enabling the heart rate to be determined.
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Heart Rate/Pulse
DT155
The Heart Rate sensor monitors the light level transmitted through the vascular tissue of the fingertip and the corresponding variations in light intensities that occur as the blood volume changes in the tissue. It has two ranges: waveform and beats per minute.
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Humidity (5% Accuracy)
DT014
The DT014 sensor is a humidity sensor, measuring a range of 0-100% relative humidity. The DT014 uses the Fourier Systems egg-shaped sensor case, and is equipped with a zero offset calibration screw.
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Light (0 to 300 lx)
DT009-1
The DT009-1 is a high precision, quick response light sensor, designed for measurements in the range of 0 to 300 lx. This light sensor is ideal for indoor light measurements.
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Light (triple range)
DT009-4
The DT009-4 is an all purpose, high precision, quick response light sensor, designed for measurements of three ranges, 0 to 600 lx, 0 to 6 klx and 0 to 150 klx making it an ideal sensor for both indoor and outdoor light measurements.
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Magnetic Field
DT156
The Magnetic Field sensor has two ranges. Low resolution range to explore the nature and strengths of magnetic fields of solenoids and permanent magnets and high resolution range to explore Earth's magnetic field.
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Microphone
DT008
The DT008 is a sound sensor (microphone) giving an output of ±2.5 Volts. The DT008 is not a noise level sensor, but designed to study the properties of sound waves. The DT008 uses the Fourier Systems egg-shaped sensor case. The frequency range of the DT008 is 35Hz to 10000Hz.
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Nitrate
AC017A
The AC017A Ion Selective sensor is used for fast, reliable and accurate measurement of Nitrate concentration in aqueous solutions. The AC017A consists of an electrode and Fourier's ISE amplifier/adaptor.
FastFil electrode design (now discontinued): Download PDF
PermaFil electrode design (sold from Feb. 2008): Download PDF
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Oxygen
DT222A
The Oxygen sensor consists of a galvanic oxygen sensitive electrode with a processing unit (oxygen adaptor, equipped with a calibration knob). The sensor can measure % O2 in air and Oxygen concentration in aqueous solutions. Select the range directly from the data logger or via MultiLab. Calibrate the sensor before every measurement.
The sensor is supplied with a storage shorting cap. The probe is warranted for 12-months to be free from manufacturing defects and to meet specifications. Improper storage without the shorting cap voids the warranty. These probes have been known to last for years with proper storage and use of the shorting cap.
Sealed electrode design (now discontinued): Download PDF
New unsealed electrode design: Download PDF
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pH
DT016
The DT016 is a pH sensor measuring the entire range of 0 to 14 pH. The DT016 consists of the Fourier Systems egg-shaped adaptor and a pH electrode. The sensor is equipped with an automatic temperature compensation system. In order to use temperature compensation a temperature sensor can be connected to the MultiLog along with the pH sensor.
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Photo Gate
DT137
A general-purpose photo gate that measures the time it takes for an object to pass between its arms. It is used for a wide variety of experiments in physics and physical science classes.
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Potassium
AC008A
The AC008A Ion Selective sensor is used for fast, reliable and accurate measurement of Potassium concentration in aqueous solutions. The AC008A consists of an electrode and Fourier's ISE amplifier/adaptor.
FastFil electrode design (now discontinued): Download PDF
PermaFil electrode design (sold from Feb. 2008): Download PDF
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Pressure (0 to 10 kPa)
DT015-2
The DT015-2 pressure sensor measures low gas pressure between 0 to 10kPa. It is a gauge pressure sensor which measures the difference between applied pressure and the atmospheric pressure.
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Pressure (0 to 700 kPa)
DT015-1
The DT015-1 is an absolute gas pressure sensor. It measures applied external pressure relative to zero pressure reference sealed inside the sensor.
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Pressure (150 to 1150 mbar)
DT015
The DT015 is an absolute gas pressure sensor. It measures applied external pressure relative to zero pressure reference sealed inside the sensor.
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Rain Collector
AC013
The AC013 is a Rain Collector designed to meet the guidelines of the World Meteorological Organization. The Rain Collector consists of a collection cone and two tipping buckets.
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Rotary Motion
DT148
The DT148 measures angular position in very high resolution and counts the sensor pulley turns. The rotary motion can also be used for linear motion measurements with a resolution of 0.1mm. This is done by rolling the pulley along a plane, or by hanging a string over the pulley.
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Smart Pulley
DT122
This Smart Pulley comprises a pulley and photo gate. It is used to measure the speed of a string suspended over the pulley by measuring the tangent velocity of the pulley.
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Soil Moisture
DT171A
The DT171A is a high performance and accurate soil moisture sensor. It measures soil moisture from 0 to 2bar. The DT171A includes WATERMARK soil moisture sensor, Fourier's egg shaped adaptor and BNC/alligator cable.
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Sound Level
DT320
The Sound Level sensor measures sound in decibels (dB). It is ideal for measuring environmental noises and room acoustics. The DT320 includes a special voltage filter to filter out any noise that may come from the data logger voltage line. The sensor has three amplifying stages, and it automatically switches between stages, for maximum range and flexibility.
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Temperature (-200 to 400 °C)
DT027
The DT027 is a high-precision PT-100 adaptor (to be used with a PT-100 probe).
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Temperature (-25 to 110 °C)
DT029
The DT029 is a simple, durable, temperature sensor. It connects directly to the data logger using a standard mini-din cable. At the end of the sensor cable there is a temperature probe, covered with isolating material ensuring protection. The DT029 measures temperature between -25 °C and 110 °C, and has an accuracy of ±1°C. It is mostly suitable for water and other chemical solution temperature measurements.
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Temperature (0 to 1200 °C)
DT025
The DT025 sensor is a thermocouple type K temperature sensor with a range of 0 to 1200 °C. The sensor is extremely accurate, and has a maximum error of 0.5% over the entire range. The DT025 is composed of the Fourier Systems egg-shaped sensor case and a 20 cm thermocouple wire.
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Turbidity
DT095
Turbidity is a measure of the cloudiness of water - the cloudier the water, the greater the turbidity. Turbidity in water is caused by suspended matter. This matter will deflect (or scatter) light as it passes through the sample. Turbidity is a measurement of the scattered light as compared to the amount of light scattered by a standard.
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Voltage (±50 mV)
DT004
The DT004 sensor is a regular voltage sensor, measuring voltage values between -50 and 50 mV. Working as a differential sensor, the sensor is capable of measuring both direct and alternate current. The sensor uses the Fourier Systems egg-shaped sensor case. The DT004 has floating inputs, i.e. you can connect any number of voltage sensors to a circuit without shortening them.
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Voltage (0 to 5 V)
DT003
The DT003 sensor is a regular voltage sensor, measuring voltage between 0 and 5 Volts. The sensor uses the Fourier Systems egg-shaped sensor case, and has two durable banana plugs for easy connection. The sensor has floating inputs, which mean that any number of voltage sensors can be connected to a circuit without shortening them.
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Voltage (±2.5 V)
DT002
The DT002 sensor is a regular voltage sensor, measuring between -2.5 and 2.5 Volts. The DT002 is a differential sensor, capable of measuring both direct and alternate current. The sensor uses the Fourier egg-shaped sensor case, and has two durable banana plugs for easy connection. The DT002 has floating inputs, meaning you can connect any number of voltage sensors to a circuit without shortening them.
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Voltage (±25 V)
DT001
The DT001 sensor is a regular voltage sensor, measuring between -25 and 25 Volts. The DT001 is a differential sensor, capable of measuring both direct and alternate current. The sensor uses the Fourier egg-shaped sensor case, and has two durable banana plugs for easy connection. The DT001 has floating inputs, meaning you can connect any number of voltage sensors to a circuit without shortening them.
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Nova sensors
