Current Comparators

These new models of current and voltage transformers comparators replace the old manually balanced bridges that CONIMED manufactured for more than 20 years. The hardware and software are designed to perform measurements in a very simple way, avoiding operator mistakes. The test reports can be obtained immediately after measuring, and easily rec ...more

Displays OP amp's input offset voltage, input bias and offset current, maximum output voltage on 3 1/2 LED display. Also checks open loop gain and CMRR. Lever type test socket for single, dual, quad type IC and 8-pin CAN type socket adapter. Operation check for Comparator IC. ...more

These new models of current and voltage transformers comparators replace the old manually balanced bridges that CONIMED manufactured for more than 20 years. The hardware and software are designed to perform measurements in a very simple way, avoiding operator mistakes. The test reports can be obtained immediately after measuring, and easily rec ...more

The Varimac V, latest in MAC's line of eddy current comparators gives you fast, convenient sorting of metal parts such as fasteners, bearings, and other cold formed pieces. Its high speed continuous operation and reliability in production environments make 100% non destructive inspection economically feasible. It is also used for checking alloy and ...more

Testing source AC 1kHz. 50/60 times/sec. sampling. Comparator output, full remote control, RS-232C, included GP-IB or Printer, interface optiononly. Measurement ranges and Accuracy 30 m-Ohm to 3 k-Ohm, 6 ranges, ±0.5 % rdg. ±8 dgt. (all ranges). Measurement current 7.4 mA (30 m-Ohm range) to 1.5 µA (3 k-Ohm range)  ...more

Equipped with a vector monitor suitable for automatic flaw detection. High-visibility design for enhanced operability. Built-in comparator unit and variable noise filter. Best-selling model at a low price  ...more

The CT/VT test system is designed to test CTs over the range of 5...3,200 amperes and VTs over the range of 100..33,000 volts. The system is self contained and includes all the required power supplies to generate the test voltage & current, the appropriate reference CTs and VTs, a set of burdens to load the test CT/VT to the required operating poin ...more

The 2041 Digital Multi-Meter has AC/DC voltage, AC/DC current, and DC resistance measurement functions. Provides auto-ranging, maximum and minimum reading score record, and PASS/FAIL comparator digital functions. ...more

The test system shall be able to check the accuracy of instrument transformers having primary ranges from 5 to 1500 amperes. The test system shall include a built-in, microprocessor-controlled, automatic, autoranging comparator. The test system shall incorporate protective circuitry to ensure the safety of the operator, the test system, and the ...more

The Knopp Current Transformer Testing System (Type KCTS) is designed to measure the accuracy of instrument transformers having 5 ampere secondaries and primaries up to 8,000 amperes. When purchased with the optional Type KATC-C1 Comparator, the KCTS is capable of testing transformers with 1 or 5 ampere secondaries. ...more

This transformer is very useful for high and low voltage work in the laboratory, shop, and field, for testing, measuring, and calibrating. The excellent accuracy and the One-to-One calibrating feature of the P-5000 transformer make it well suited as a standard for calibrating work. Because of the particular current ranges provided by this trans ...more

Series Digital Display. Accepts Sony DG or DL Series digital probes. 1 or 2 digital probe input models. 2 channel models display A,B or A+B, A-B, B-A. Selectable display resolutions with choice of inch/mm. Comparator upper and lower limit settings with go/no go open collector output. One key reset and preset selection. Current value, maximum, ...more

3 functions in one unit, insulation test with 4 voltage ranges, continuity test, AC voltage measurement. 200mA measuring current on continuity testing. Comparator function with PASS / FAIL and buzzer  ...more

The 4761,and 4764 high precision standard current comparators are used as comparison standard in the differential method (bridge) measurement of current instrument transformers together with the measuring instruments type2763 and 2767. ...more

High speed digital 1kHz mO Meter, Model AX-125A is capable of measuring very low resistance by alternative current signal of 1kHz in high speed. The measured value is compared with the set value by a built-in digital comparator and the comparison result is indicated by LO, GO, HI display and a buzzer, and output by open collector ...more

Module is intended for operation as measuring device or comparator of direct voltage, direct current and active impedance within VXI-based test-measuring systems. Module is a C-1 size register based VXI instrument ...more

# Test Condition Without Shutting Down Battery. # Simultaneously Measure Battery Resistance, Voltage, Current, Temperature. # Auto-hold and Auto-data storage. # Comparator Function. # Rates Conditions as Pass, Warning, or Fail. # Memory and Read Function ...more

Limit relays consist of a transducer and DC limit relay in one case. A potentiometer allows the limit to be adjusted. Dual limit relays contain two comparators and potentiometers operating into a single electro- mechanical relay. This relay is energized only if the input is between the two set values. Limit relays accept an input (voltage, current ...more

GUILDLINE INSTRUMENTS 6622A SERIES introduces new concepts and the best in measurement uncertainties for Direct Current Comparator (DCC) Resistance Bridges manufactured by anyone today. Unique innovations in 6622A design and modularity means users no longer have to decide what Bridge satisfies current requirements as well as guess as to what B ...more

Guideline 6623 Range Extender is a high current adapter, including an integral reversing switch, designed specifically for use with the 6675A or 9975 Direct Current Comparator bridges. The 6623 allows currents of up to 100 Amperes to pass through the resistor under test, and extends the measurement range of the 6675A down to 1 μΩ. Gui ...more

DAC-VCTT-6 is a Current-Comparator-type Transformer Bridge for testing ratio errors and phase angles of instrument transformers (VT/CT). This set alone enables users to test Current Transformers (CT) and Voltage Transformers (VT). It is transportable and suitable for on-site tests. ...more

GUILDLINE INSTRUMENTS 6622A SERIES direct current comparator (DCC) bridges are well suited for precision calibration in both resistance and temperature applications. Their flexible and wide measurement ranges, the upgradeable performance, the newly introduced 100:1 measurement ratio all make them very attractive to users. Due to customers? req ...more

DAC-VCTT-8 is a test set, provided with an automatic-current comparator-type transformer, for measuring ratio errors and phase angles of instrument transformers according to the international standards IEC 60044-1 and -2. Combining an optional different-ratio adapter, DAC-RAC-2/RAV-2, minimum reference standard instrument transformers are requ ...more

Guideline 66001 Lead Compensator is useful for performing 4-Terminal measurements in High-Ohms or 2-terminal modes of the 6675A and the 9975 Current Comparator Bridges. The compensator is placed between the high voltage terminal, either external or internal, and the terminals on the high sides of the resistors to be measured or the output lead ...more

GUILDLINE INSTRUMENTS MODEL 6622T THERMOMETRY Bridge expands upon the success of 6622A Series Resistance Bridges by utilizing engineering ingenuity to offer outstanding uncertainty and stability. Unique innovations in hardware and software design have brought about this wide range thermometry bridge accommodating SPRT?s, PRT?s, varouis R TD?s ...more