No products in the cart.
Product Description
£281.00 ex VAT | £337.20 Inc VAT
Connect the Go Direct™ Ammonium Ion-Selective Electrode BNC to our Go Direct™ Electrode Amplifier to measure the potential (mV) and calculate the concentration of ammonium (NH4+) ions in aqueous samples.
Year WarrantyAvailable to Order
Email to a friendDescription
The Go Direct™ Ammonium Ion-Selective Electrode BNC is a BNC terminated electrode used to measure the concentration of ammonium (NH4+) ions in aqueous samples. Requires a Go Direct™ Electrode Amplifier.
Specification
- Range (mV):
- Go Direct™ Electrode Amplifier: -1000 mV to +1000 mV
- Range (concentration): 1 to 18,000 mg/L (or ppm)
- Reproducibility (precision): ±30mV
- Interfering ions: K+, Li+, Na+, Cs+, Mg2+, Ca2+, Sr2+, Ba2+
- pH range: 2–7 (no pH compensation)
- Temperature range: 0–40°C (no temperature compensation)
- Electrode slope: 55 ±3 mV/decade at 25°C
- Electrode resistance: 0.1 to 5 MΩ
- Minimum sample size: must be submerged 2.8 cm (1.1 in)
What's Included
- Go Direct™ Ammonium Ion-Selective Electrode with BNC terminated end, packed with a storage bottle
- 30 mL bottle of High Standard solution with SDS (100 mg/L NH4+ as N)
- 30 mL bottle of Low Standard solution with SDS (1 mg/L NH4+ as N)
- Short-Term ISE Soaking Bottle
Related Products
Our strain-gauge based isometric Hand Dynamometer can be used to measure grip strength, pinch strength, and to perform muscle fatigue studies. Use the hand dynamometer with other sensors (e.g., EKG Sensor) to study muscular health and activity
£144.00 ex VAT | £172.80 Inc VAT Add to basket
The CO2 Gas Sensor measures gaseous carbon dioxide levels in two selectable ranges of 0 to 10,000 ppm and 0 to 100,000 ppm (which covers human breath). Ideal for measuring changes in Carbon Dioxide levels during plant photosynthesis and respiration. You can easily monitor changes in CO2 levels occurring in respiration of organisms as small as crickets or beans! The CO2 Gas Sensor is easily calibrated using a calibration button. A chamber is included for running controlled experiments with small plants and animals. You may also wish to see our O2 Gas Sensor
£350.00 ex VAT | £420.00 Inc VAT Add to basket
This is a non-invasive sensor designed to measure human blood pressure. It measures systolic, diastolic and mean arterial pressure utilizing the oscillometric technique. Pulse rate is also reported.
£142.00 ex VAT | £170.40 Inc VAT Add to basket
This is great for studying one-dimensional collisions or any motion with larger accelerations.
£125.00 ex VAT | £150.00 Inc VAT Add to basket- Range: -250 to +250 m/s2
- Typical accuracy: ±1 m/s2
The Colorimeter is great for Beer's law experiments, determining the concentration of unknown solutions, or studying changes in concentration vs. time. This 4-wavelength Colorimeter measures the amount of light transmitted through a sample at a user-selectable wavelength in order to determine the concentration of a solution. Features such as automatic sensor identification and one-step calibration make this sensor easy to use. Fifteen 3.5 mL cuvettes are included. A package of 100 replacement cuvettes (with 20 lids) is available please click here
£155.00 ex VAT | £186.00 Inc VAT Add to basket
The Constant Current System is a DC power source with a built-in current probe designed for use in electrochemistry experiments, and as such eliminates the need for a separate power supply when performing electroplating and electrolysis experiments in Chemistry. It is capable of delivering 0.6 A at 5VDC Use the Constant Current System to explore Faraday's law and determine Avogadro's Number. Note: It can only be used in conjunction with its own built-in power supply. It cannot be used to measure the current of a circuit using a different power supply.
£90.00 ex VAT | £108.00 Inc VAT Add to basket
The Differential Voltage Probe is designed for exploring the basic principles of electricity. Use this probe to measure voltages in low voltage AC and DC circuits.
£51.00 ex VAT | £61.20 Inc VAT Add to basket
This sensor can be used in a wide range of tests and experiments. It can be used to determine the rate of ethanol production during fermentation and can also be used to measure the discrete amount of ethanol in a given sample.
£155.00 ex VAT | £186.00 Inc VAT Add to basket
The EKG Sensor measures electrical signals produced during muscle contractions, and can be used to make standard 3-lead EKG tracings or surface EMG recordings. The EKG Sensor measures electrical signals produced by the heart. It uses three disposable electrodes. An EKG graph is displayed, demonstrating to students the contraction and repolarization of the heart's chambers. A package of 100 disposable electrodes is included with the sensor.
£206.00 ex VAT | £247.20 Inc VAT Add to basket
The Vernier Go Wireless Exercise Heart Rate is an excellent hands-free option for continuously monitoring heart rate before, during, and after exercise or while a person is stationary. Using the chest strap, data are wirelessly transmitted to iPad, LabQuest 2, or other mobile devices that are Bluetooth® Smart Ready. It displays live heart readouts before data collection,and is ideal for running, cycling and other physical activities. For an option to monitor heart rate with hands, please consider the Go Wireless Heart Rate.
£103.00 ex VAT | £123.60 Inc VAT Add to basket
The Anemometer can be used in a variety of experiments to measure wind speed. Can either be used hand held to measure wind speeds, or used with the accessory rod for static experiments such as in front of wind tunnels. The Vernier Anemometer is an impeller-type anemometer that measures wind speed in the range of 0.5 to 30 m/s (1 to 67 mph).
£116.00 ex VAT | £139.20 Inc VAT Add to basket
This is basically three Low-g Accelerometers mounted at right angles and all placed in a small box. Can be used for studying the complex motion of an amusement park ride, a bungee jumper, or simply a toss in the air.
Range: -50 to +50 m/s2
Typical accuracy: ±0.1 m/s2
£129.00 ex VAT | £154.80 Inc VAT Add to basket
The Digital Control Unit (DCU), combined with features in Logger Pro, makes control of electrical devices, such as buzzers, lights, motors, pumps, and relays, both straightforward and flexible. The DCU is a great way to introduce hands-on STEM and engineering projects.
£80.00 ex VAT | £96.00 Inc VAT Add to basket
The Gas Pressure Sensor can be used to monitor pressure changes in a gas. The range is wide enough to perform Boyle's law yet it is sensitive enough to conduct vapor-pressure or pressure-temperature experiments. Biology teachers can use the Gas Pressure Sensor to monitor transpiration or respiration in an enclosed environment.
£116.00 ex VAT | £139.20 Inc VAT Add to basket
The Current Probe can be used to measure currents in low-voltage AC and DC circuits or electrochemistry experiments. The Current Probe measures DC and low-frequency AC currents up to 600 mA.
£51.00 ex VAT | £61.20 Inc VAT Add to basket