Powered by internal battery (up to 10 A) or mains supply
Direct reading (up to 4½ digits)
Overheating protection
MO-5899-100R Portable Digital Micro-ohmmeter
Up to 100 A test current
Resolution: 0.1 µΩ
Resistance reading: up to 300 mΩ
Alphanumerical display
Direct reading (up to 4½ digits)
Overheating protection
Internal memory for up to 50 registers with 80 readings each
Built-in printer
MO-5889-200A Portable Digital Micro-ohmmeter
Up to 200 A test current
Resolution: 0.1 μΩ
Resistance reading: up to 20 mΩ
Internal memory for up to 200 readings
Direct reading (up to 4½ digits)
Overheating protection
USB interface
Built-in printer
MO-5889-200A Portable Digital Micro-ohmmeter
Up to 200 A test current
Resolution: 0.1 μΩ
Resistance reading: up to 20 mΩ
Internal memory for up to 200 readings
Direct reading (up to 4½ digits)
Overheating protection
USB interface
Built-in printer
MO-5898-200A Portable Digital Micro-ohmmeter
Alphanumerical display
Resolution: 0.1 µΩ
Resistance reading: up to 200 Ω
Up to 200 A test current
Kelvin-type (4-wires) measurement
Powered by internal battery (up to 10 A) or mains supply Direct reading (Up to 4½ digits)
Overheating Protection
USB interface
MO-589R-200A Portable Digital Micro-ohmmeter
Direct reading (up to 4ó digits)
BSG mode (Both Side Grounded)
Up to 30 consecutive tests
Resolution: 0.1 μΩ
Resistance reading: up to 1 Ω
U/I (4-wires) measurement
Overheating protection
Built-in memory
Bluetooth and USB communication interfaces
Open Modbus protocol: Can be remote controlled through an Android app or through USB by customized software, Labview and PLC
High Current (200A) Portable Micro-Ohmmeter 5898
An accurate mains/battery powered portable 200A Micro-Ohmmeter. Using the 4-terminal measurement technique,
the Tinsley 5898 gives basic accuracy of 0.2% and an overall resistance range of 0.1 µOhm to 6 Ohm.
Standard Reference Resistors
The Resistors are made from a specially selected alloy having a low temperature coefficient mounted in a strain free
manner on formers made from material or low dielectric loss but of high mechanical stability.
Resistance Test Clamp
The Type 3218C is designed for the resistance measurement of wire, cable, or strip metal using a low resistance
measuring device (milli or micro-ohmeter such as the Tinsley 5894), which use a four-wire kelvin type measuring system.
Model 5896C Dual Channel Transformer Micro-Ohmmeter
RX range 20 mW (10-60A) to 6kW (10mA)
Maximum resolution 0.01mW
Automatic range selection
Current setting from 0.01 to 60A
Fast core saturation with 60V
Test objects up to 150MVA with 5 to 10A, 500MVA with 20 to 60A
“Heat Run” measurement including algorithm
(resistance at t=0)
Measuring uncertainty ± 0.1% of reading
Temperature measurement and compensation to 20°C with T/C’s for both “Cu” and “Al”
RS232C port for full external control of the instrument
Centronics printer interface
Wide Range Precision Ohmmeter 5894
With a wide measurement range the new Tinsley 5894 is suitable for applications that require either a milli-ohmmeter or micro-ohmmeter.
Portable Bridgers
Portable Wheatstone Bridge Model QJ23
The Tinsley QJ23 is a stable and accurate Wheatstone bridge for resistance measurements.
The 4 Rheostat decades may also be used as an adjustable 4-dial decade resistance box.
Portable Double Bridge Model QJ42
The Tinsley QJ42 is a low-cost portable dc double bridge for low resistance measurement below 11Ω.
Portable Precision DC Kelvin Bridge Model QJ57
The Tinsley QJ57 is a self-contained portable DC Kelvin Bridge for high precision measurements of low resistance,
conductivity and the calibration of other instruments.
Decade Resistance Boxes
Portable 9 Decade High Resistance Box Model 4720 Series
Designed for the checking and calibration of insulation testers at voltages of up to 5000V DC, the
Tinsley Model 4720 high resistance decade boxes provide up to 9 decades of resolution.
Single, High Resistance Decade Box Model 4721
The Tinsley Model 4721-decade box is designed for the checking and calibration of insulation testers at voltages of up to 5000V DC.
The total range covered is from 1 kΩ to 1TeraΩ using specially selected resistors and a high-quality switch mounted on an easy-to-read panel.
ZX Series
ZX74 Series
The ZX74 Series of Decade Resistance Boxes are very high accuracy and stable six-dial instruments. There are 4 versions in the series with a maximum resistance of 1,111,111Ω. The ZX83 series adds another two Decade Boxes that extend the resistance range to 111,111,100Ω.
ZX90 Series
The ZX90 Series of Decade Resistance Boxes comprise of 10 instruments to cover a resistance range of up to 1,111,111Ω with instruments available in 4, 5, 6 and 7 Decades. Whilst they are low cost these instruments are of high quality and feature precision low contact resistance switches.
Transformer Test Equipment
Portable Transformer Ratiometer Model 4167F
Ratio range from 0.75 to 10,000:1
Full automated measurement
Features unique vector group detection
Measuring voltage from 8V to 160V selectable or used from external source (8V .. 240V)
Display shows ratio, phase angle, deviance and magnetizing current
Internal card reader supports handling parameter chip cards for saving all transformer specific measurement data.
Easy to read LC display (256 x 128 pixel) with back light
Special built in keyboard supports easy input of vector group, phase measuring mode and parameter
RS232C port to get full external control over the instrument
Centronics printer port
Robust mobile case for field
Portable Transformer Ratiometer Model 4167F-(CVT)
Ratio range from 0.75 to 20,000 (higher ratios with CVT-Ext.)
Fully automated measurement
Features market unique Vector Group Detection
Measuring voltage from 8 V to 230 V
Measuring voltage up to 5 kV by CVT-Extension: 4167F-(CVT)
Using 3-phase voltage for phase angles other than 0°/180°
Easy to handle tap changer automatic
Internal memory stores all dates (Reading with 4167F-(CVT)-XFER)
LC display (256 x 128 pixel) with backlight
Easy input of vector group and measuring conditions
USB/RS232C port to get full instrument control
Centronics printer port or build in printer (optional)
Robust mobile case for field use
Factory Certificate
Portable ‘Q’ (Quality) meter type 5867
The Tinsley type 5867 uses a wound component’s “Q” to give an indication of the quality of the component. It is used to compare the electrical characteristics between windings, either between a known good example and a unit under test or between phases of a three-phase device.
Model 5896C Dual Channel Transformer Micro-Ohmmeter
RX range 20mW (10-60A) to 6kW (10mA)
Maximum resolution 0.01mW
Automatic range selection
Current setting from 0.01 to 60A
Fast core saturation with 60V
Test objects up to 150MVA with 5 to 10A, 500MVA with 20 to 60A
“Heat Run” measurement including algorithm
(resistance at t=0)
Measuring uncertainty ± 0.1% of reading
Temperature measurement and compensation to 20°C with T/C’s for both “Cu” and “Al”
RS232C port for full external control of the instrument
Centronics printer interface
Model 5897 Portable 100A Precision Micro-Ohmmeter
An accurate mains/battery powered portable 100A Micro-Ohmmeter. Using the 4-terminal measurement technique the Tinsley 5897 gives basic accuracy of 0.2% and an overall resistance range of 0.1 µOhm to 40 Ohm.
Model 5898 Portable 200A Precision Micro-Ohmmeter
An accurate mains/battery powered portable 200A Micro-Ohmmeter. Using the 4 terminal measurement technique the Tinsley 5898 gives basic accuracy of 0.2% and an overall resistance range of 0.1 µOhm to 6 Ohm.
High Resistance Fault Locator 5762N
The 5762N is a portable cable fault locator for determining the position of a single shorting fault between two conductors, or between one conductor and the cable sheath or ground. The instrument can be powered from a mains electricity supply or from the internal battery which is recharged when the instrument is connected to the mains.
LCR Bridge 6451-2 with Limits Comparator
LCR Bridge 6451-2 with Limits Comparator
0.1% measurement accuracy
Test frequencies up to 10kHz
Automatic component recognition
Built-in 4 terminal component fixture
Dual 5 digit high brightness displays
Limits comparator, multiple pass and fail bins
RS-232 interface for PC connectivity
Optional SMD tweezers, Kelvin Clip leads, Windows logging software
Pressure Measurement
Dead Weight Testers
Tinsley deadweight testers are the basic primary standards for pressure calibration.
The principle of operation is as per the international guidelines and are world-wide acceptable.
Dual Piston Dead Weight Testers
Tinsley deadweight testers are the basic primary standards for pressure calibration. The principle of operation is as per the international guidelines and are world-wide acceptable.
Standard Pressure Gauges
Tinsley standard pressure gauges are available in different sizes and ranges and are known worldwide for their accuracy and repeatability.
Vacuum and Pressure Pumps
Tinsley is able to supply hand-held and bench-top pressure pumps / generators for a wide range covering vacuum to 1600 bars or even more.
