Calibrators
ascertain instrument graduation deviation and rectify to precision known values.
See Also: Calibration, Power Calibration, Display Calibration, Calibration Standards, Calibration Software, Calibration Services, Calibration References
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Cutting-Edge Quick-test Adapters, Valves & Fittings
Ralston Instruments is world’s leading provider of advanced calibration applications, meticulously engineered to save time and ensure seamless pressure testing, repair and maintenance operations. We offer a complete suite of fully integrated Quick-test adapters, valves & fittings. The products are intelligently designed to offer time-saving and secure connections to practically any device. The test point adapters, valves & fittings are highly functional for a range of pressure calibration and other applications.
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Selectable Magnification Interferometer
FiBO 300
FiBO 300 is a versatile, phase-shifting Michelson interferometer for testing telecom fiber optic connectors and inspecting the cleave angle and quality of bare optical fiber. The built-in turret enables quick and easy switching between calibrated objectives for optimum magnification and field of view.
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Torque Reaction Sensor
BMX
Meeting the demands to test multiple torque ranges for various torque tools used in production, maintenance and calibration labs, the versatile torque sensor is used in conjunction with a torque tester. The torque sensor is a bench mounted calibration instrument designed for torque wrench calibration, torque screwdriver calibration, and electric & pneumatic screwdriver calibration. Controlling torque is quintessential for companies to ensure their product's quality, safety and reliability isn't compromised.
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Surface Resistance System Kit
PRS-801RM
- Perform Point-to-Point and Resistance to Ground Measurements from 0.01 Ω to 200 Teraohms- Accuracy of ±2% from 1.00 Ω to 9.99x1010Ω- Measures in accordance with ESD TR53, ANSI/ESD S4.1, ANSI/ESD S7.1, ANSI/ESD STM97.1 and others- Constant Test voltages 10V and 100V meeting ANSI/ESD S20.20- Operates using a Rechargeable Li-ion Battery Pack- Takes Approximately 8,000 Measurements on a Single Charge (480 hours typical)- Stores up to 999 Test Values Into Memory- Compatible with Prostat Connect 2.0 for Downloading into Excel®- Charging and Download via Standard Micro USB Cable- Includes 5lb Conductive Probes and Carrying Case- Certificate of Calibration Traceable to NIST included- 2-year Limited Warranty on Main Instrument
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Converter Of Electrical Quantities
The converters are intended for the conversion of electrical quantities DC signal which is either in form of the DC voltage, or the DC forced current. They can be used in connection with indicating pointer instruments, calibrated in units of the measured quantity, or with a recorder or, eventually with a digital instrument.
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CALIBRATOR Multi Function Calibrator
MC140
The Multifunction Calibrator MC140 functions as a Voltage Calibrator, Current Calibrator, Power Calibrator, Resistance Calibrator, Capacitance Calibrator and a Thermocouple Calibrator.? Having very low uncertainties, it is ideal as a standard of these electric quantities in calibration laboratories.
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Digital Leakage Current Tester
Educated Design & Development, Inc.
Fast - All operator controls are located on the front panel to expedite testing. The entire test can be performed in a matter of seconds! Pays for itself in time and stress savings. Versatile - Measures Leakage Current in accordance with UL, CSA, EN, and IEC/ International Standards. Includes ability to perform open neutral, open ground, and line polarity forward/reverse test conditions. Adaptable - Universal rear panel receptacle allows for testing products with any plug configuration. Accurate - True RMS meter accurately measures both sinusoidal and non-sinusoidal waveshapes. This is important when testing products using a switch mode power supply which can generate non-sinusoidal leakage currents. Calibrated, traceable to NIST. Flexible - A front panel switch permits testing either through the power cord of the product under test, from surface/ patient connection-to-ground, or from surface/ patient connection-to-surface/ patient connection. Portable - Lightweight, with integral handle. Other Features - Product Ground Switching (grounding conductor maintained to device under test when not measuring leakage). Automatic front receptacle disconnect when configured in the 240V test mode (prevents inadvertent connection of 120V when configured for 240V operation). Proven - These are the only leakage current testers designed and supported by Product Safety experts. That is part of the reason why they have become the standard in the industry. Full technical support by experienced safety engineers.
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Ultrasonic Flaw Detector
MFD800C
MFD800C intelligent digital ultrasonic flaw detector, Mitech concentrated years meticulously developed main product. Unique design, sophisticated manufacturing, convenient operation, powerful function, It takes many advantages in one unit. It had received customers' favored since its inception. It can test, orient, evaluate and diagnose various flaws such as crack, lard, air hole in workpiece’s interior swiftly and accurately without any destruction. With full digital 640X480 TFT LCD display, it can select the operating interface style and the LCD brightness according to environment. With humanizing interface design, the waveform show delicately. It can find the defects clearly in full screen. Single hand capable for holding operation, the curve making, probe calibration and other conventional operation can be completed automatically. Core processor CPU with 400M main frequency, it can complete the complex run quickly and realize intelligent defect analysis. Low power design with large capacity and high performance lithium ion battery module，it can work more than 8 hours continuously. Full English master-slave menu, emphasizing on user experience, collecting shortcut keys, digital shuttle rotary wheel, cross menu three operating way in one body, customer with different habits can operate it freely. It supports many languages. Its waterproof, oil proof, dustproof function can achieve IP65 protection level. It is the necessary professional precision instrument for defect detection, quality control, on-line safety monitoring and life evaluation in fields of oil, chemical, metallurgy, shipbuilding, aviation, railways and so on.
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Active Monopole Antenna
AM-741
The 41 inch Monopole antenna is required for making electric field emission measurements below 60 MHz per Military standards (MIL-STD-461) and FAA (DO-160) specifications. This antenna is for emissions measurements only. It cannot be used for transmitting. The Active Monopole antenna is generally used in a shielded room or in a screen room, with the equipment under test (EUT) placed on a metal ground plane. The 41 inch rod and the ground plane behave electrically as though a mirror image of the rod were located below the ground, and the ground removed. Since the stainless steel plate does not have enough surface area to mirror the entire 41 inch rod, it is bonded to the surrounding ground plane during use. The AM-741 is battery powered to prevent measurement errors that maybe caused by external power cables. The ANSI equivalent capacitance substitution (ECSM) method is the recommended method for calibrating AM-741 monopole antenna. The individual calibration data will be included with each antenna.
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Analog Voltmeters
*Dual stick MARK series measure voltage and perform phasing operations from 0V to 75kV*No batteries or calibration required*Determines in-phase or out-of-phase*Determines underground cable faults*Discharges underground cables and other equipment that hold capacitive charges*Versatile for overhead and underground applications
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Angular Optics Kit
55281A
The Keysight 55281A Angular Optics Kit adds pitch and yaw measurement capability to the 5530 Laser Calibration System. Ideal for use in precision calibration applications, it includes the 10770A Angular Interferometer and the 10771A Angular Reflector. Together the high-accuracy plane mirror interferometer and the angular reflector measure pitch and yaw motions along each axis that a machine tool or measuring machine travels. Results are displayed directly in arc-seconds or in mm/mm (in/in).
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902 Three Phase 30A
Weshine Electric Manufacturing Co., Ltd
1. It has the function of software self calibration, which avoids opening the case to calibrate the accuracy by adjusting the potentiometer, thus greatly improving the stability of accuracy.2. This Windows XP system has its own recovery function to avoid system crash caused by illegal shutdown or misoperation.
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Calibration
To measure a wide range of pressure in an explosive endangered area the range of pressure modules is extended with 8 ATEX compliant models.
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Ambient Temperature CalPod Module, 20 GHz
85530B
CalPods provide a new and unique way to quickly and easily refresh a network analyzer calibration, at the push of a button and without removing the DUT or re-connecting standards.
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Reciprocating Pumps
ReaXus
Teledyne LABS ReaXus® reciprocating pumps covers a broad range of application needs, ranging from 5 mL/min to 300 mL/min and up to 6,000 psi. Whether you need low pulsation or are working with hazardous materials, the ReaXus line has an option for you. The single piston models are targeted towards moving material or providing pressure. The dual piston models are focused on continuous processing applications where a steady flow of material is important.The ReaXus product line is low maintenance and requires no calibration like other styles of pumps, saving your organization time and money.
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Mobile sound Level Meter
SoundMeter
SoundMeter turns your iOS device into a handheld sound level meter (SLM) with support for exponential-time-weighted sound level (Lp) and equivalent sound level (Leq) measurements with various time and frequency weightings. The built-in signal generator tool can be used for generating calibration test tones, noise, chirps, or other periodic signals. SoundMeter also offers additional tools via in-app purchase, including a Noise Dosimeter and a whole or 1/3-octave real-time analyzer.
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450MM 18In Digital Level Bevel Gauge w/ LCD Backlight Screen, Magnets, Level Bubbles, IP54 Standards
DL400
Advance Plus Trading Co., Ltd.
Model Number: DL400 Key Specifications/Special Features: 450MM 17.7INCH Digital Level with level bubbles, strong magnets,LCD bright backlight display, IP54 standards 1. 450mm 17.7 inch level with 2 bubbles, 450*28*64mm（L*W*H）, net weight: 430g;2. Resolution: 0.05°;3. Horizontal level measuring range: 0 to 360°;4. Accuracy: ±0.3°;5. Measures angle in degrees, IN/FT, mm/m, % slope or pitch;6. Audible tone at level, plump and setting angle;7. Automatic shut-off after 3 minutes;8. Backlight LCD;9. Self checking accuracy;10. Self calibration;11. Hold-function to freeze the measurement;12. Memory recall (9 measurements);13. With strong magnets in the bottom;14. 2pcs high accuracy horizontal & vertical bubbles, clearly to check;15. Operated by DC 3V (2*LR03 AAA 1.5V batteries, not included); 16. IP54 waterproof & dusyproof industrial standard.
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3 Wire (Analogue) Earth Resistance Tester
ST-1505
Standard Electric Works Co., Ltd
● High quality Taut Band movement.● Capable of measuring earth resistance and earth voltage.● The timer operates automatically for about three to five minutes when the “PUSH BUTTON SWITCH” and “TIMER ON BUTTON” are pressed together. ● This will keep test “ON” for the duration of the timer.● Battery check function.● Calibration performed with supplied test leads.
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Image Analysis Micrometers
For calibrating and analyzing microscopy measurement systems, the IAM line of Image Analysis Micrometers are perfectly suited. Calibrated to NIST Standards, and imaged with the best line edge quality in the industry, the IAM series is a diversified line of slides that function in areas of color calibration (IAM-9C), Optical Magnification, Frame Distortion, and other applications. Custom features, substrates, sizes and designs are available as custom solutions.
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AC/DC Current Probe, 100 MHz, 15A
N2893A
The Keysight N2893A is a 100 MHz bandwidth, active current probe for InfiniiVision and Infiniium oscilloscopes. The probe features flat bandwidth (DC-100MHz), low noise(<2.5 mA rms) and low circuit insertion loss. Auto demagnetization (degauss) and calibration removes any residual magnetism and unwanted DC offset in the probe. The probe is powered directly by the InfiniiVision and Infiniium Autoprobe interface, eliminating the need for an additional power supply.
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Current Sensing
voltage-output, current-sensing amplifier family that integrates an internal shunt resistor to enable high-accuracy current measurements at common-mode voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device is a bidirectional, low- or high-side current-shunt monitor that allows an external reference to be used to measure current flowing in both directions through the internal current-sensing resistor sensor. The integration of the precision current-sensing resistor provides calibration equivalent measurement accuracy with ultra-low temperature drift performance and ensures an optimized Kelvin layout for the sensing resistor is always obtained.
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Field Strength Meters
FIM-22 And FIM-41
The Models FIM-22 and FIM-41 are portable field strength meters designed to provide precise, direct measurements of electro-magnetic fields in the 200 kHz to 5.0 MHz spectrum. These units include a receiver, integral shielded loop antenna, precision attenuator, internal calibration source, and battery power supply. With calibration accuracy traceable to the National Institute of Standards and Technology, the FIM-22 and FIM-41 meet the most exacting requirements of government and industry. Their hinged covers, on the rugged drawn aluminum cases, contain a loop antenna. Opening the cover to a vertical position connects the antenna terminals to the receiver via maintenance-free gold-plated contacts. An interlock switch prevents inadvertent battery discharge when the cover is closed.
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Digital Multimeters
The digital multimeter, also known as a Volt-Ohm meter, measures electrical magnitude in different fields of electronics. Every digital multimeter has a large, clear display and fits in the palm of your hand making it versatile and easy to handle. The digital multimeter is invaluable to professional technicians due to its high level of accuracy when taking measurements of low to high voltages. The digital multimeter is used in research, in professional training and education, by technicians in the field, by the industrial sector and in workshops, by military, mechanics, and in many other electrical analysis applications.We offer a digital multimeter that has manual or automatic range selection and with or without an RS-232 interface for transferring data to a computer. The corresponding test cables for the digital multimeter come with the device as well as batteries so that it is ready to use straight out the box. The digital multimeter can be accompanied by an ISO calibration certificate either when it is ordered or included as part of an annual recalibration.
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PCI Strain Gauge Simulator Card, 2-Channel, 2k
50-265-302
These cards simulates the operation of a range of strain gauges making them ideal for testing strain gauge meters and a wide variety of industrial control systems. They provide a simple way of replacing in house developed sensors with a low cost simulator having excellent performance that is easy to calibrate and use.
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Portable Gas Leak Detector
Oxygas 500
Teledyne Gas & Flame Detection
The Oxygas 500 compliments the Gascoseeker 500 with a similar performance, measuring % LEL and % volume flammable hydrocarbons, but with the addition of oxygen for either gas/air or gas/nitrogen/air purging. The Oxygas 500 has the following additional features; automated zero during start-up, manually selectable purge mode.The P-500 variant has an additional part per million (ppm) range of methane.The Oxygas 500 is easy to use with very simple training, as the operation of the instrument follows the operation of the purge cycle. The rugged design allows the Oxygas 500 to be used in harsh environments. The instrument is also fully compatible with our range of calibration software and equipment.
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Fire Alarm Testing Kit
05NK005
The simple budget kit for testing fire alarm systems and carrying out noise assessments in companies without a definite noise problem. Featuring a choice of Class 1 or Class 2 sound level meter with calibrator in a handy case.
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Wafer Lifetime Measurement with Photoluminescence Detector
WCT-120PL
Measure the calibrated carrier-recombination lifetime of a silicon wafer using both the standard method and the photoluminescence meth
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In-Circuit Test Systems For Sale
Forwessun offers a comprehensive range of global services for a variety of Test Systems. We provide refurbished systems that have undergone rigorous testing, giving you reliable performance at a fraction of the cost of new equipment. Whether you’re looking for a long-term solution to enhance your testing capabilities or a temporary setup to meet increased production demands, we have flexible options to suit your needs. - HP3070- Agilent - Keysight- GenRad- Teradyne Our bespoke rental agreements make it easy to scale up without permanent investment—simply return the system when it’s no longer required. For ongoing support, we offer calibration, repair, and maintenance services through convenient service contracts. If you’re looking to retire any outdated or non-functional In-Circuit Test (ICT) systems, we’ll offer fair market prices, helping you maximise value on any surplus equipment.
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Thermocouple Vacuum Gauge Tubes
DV-6 Series for Medium Vacuum
Teledyne Hastings, manufacturer of the original DV-4, DV-5, and DV-6 thermocouple vacuum gauge tubes, produces vacuum measurement equipment with exceptional stability, accuracy, and reliability under the most demanding conditions.The Teledyne Hastings’ DV-6 series thermocouple vacuum gauge tube acts as a localized sensor which is then paired with a selection of meters or controllers to provide reliable, cost-effective measurements in diverse applications. The robust sensor gauge tube is easily installed into vacuum systems and when properly excited, generates a thermoelectric voltage to provide a vacuum pressure measurement based on gas density. The DV-6 thermocouple vacuum gauge tube fully compensates for temperature and rate of temperature change.Thermocouple gauge tubes are calibrated on vacuum systems that contain N2 or Air, but can be used with other gases. Additionally, thermocouple gauges and their controllers can be recalibrated when a replacement thermocouple gauge tube is installed, following instructions in the manual. However, our DB-20 reference tube is available to confirm meter/controller performance. A complete line of installation accessories are also available to simplify the integration of our thermocouple gauge tubes into a variety of vacuum systems. Our goal is to provide “one less thing to worry about”, when performance matters! With a wide range of meter, fitting, relay and output options, the DV-6 series provides a reliable pressure measurement in numerous industries and applications.
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sbRIO-9211, Non-Enclosed, 4-Channel, 14 S/s Aggregate, ±80 mV C Series Temperature Input Module
780877-01
Non-Enclosed, 4-Channel, 14 S/s Aggregate, ±80 mV C Series Temperature Input Module - The sbRIO‑9211 includes anti-aliasing filters, open-thermocouple detection, and cold-junction compensation for high-accuracy thermocouple measurements. The sbRIO‑9211 features NIST‑traceable calibration and a channel‑to‑earth ground double isolation barrier for safety, noise immunity, and high common-mode voltage range. Non-enclosed modules are designed for OEM applications.
