42 Measuring instruments

Do you work with electrical installation and need good tools and electrical measuring instruments? Ahlsell helps you find moisture meters, cable finders, and other proper electrical measuring devices in the industry. We have the range regardless of whether you work with commercial properties or private residences. If you want to locate breaks in cables, you need a voltage indicator or an installation tester to test, measure and document according to the installation rules. You will find intelligent electrical measuring instruments with us that measure various materials from most major suppliers. Explore our wide range of tools, electrical measuring instruments, and accessories in the online store, or visit your nearest Ahlsell store.

Products (137)
Multimeter digital 170-series
Fluke
Multimeter digital 170-series
Art. no.: 4203299
The Fluke 170 series sets a new standard for multimeters for general measurements. High construction quality and features together with Fluke's unique lifetime warranty make the Fluke 170 series very reliable working companions. Ergonomic design with integrated holster and large, clear digital display of 6000 points with integrated analog bar graph (backlit on 177 and 179 models). True-RMS AC voltage and current, temperature measurement (Fluke 179), data hold functions, alarm for the wrong connection of power cords, smart battery cover and much more make the Fluke 170 series the electrician’s best choice. Approved in accordance with EN61010-1 Cat IV 600V/Cat III 1000V, UL.
Size (LxWxH): 185 mm x 90 mm x 43 mm, Weight: 0.42 kg.
Included accessories: Test leads, battery, manual, 80BK temperature sensor (Fluke 179)
Multimeter digital 110-series
Fluke
Multimeter digital 110-series
Art. no.: 4203215
Digital multimeters with true effective value
Fluke 110-series of digital multimeters. The new Fluke 110 series is a new model series with top modern multimeters. The series consists of four digital multimeters with true-RMS, each designed for specific users to suit their needs. The instrument can be easily used with one hand and has a backlit display with large easy to read digits.
Fluke 114 – electrical multimeter. Model 114 is ideal for electrical troubleshooting and simple functional testing in homes and commercial premises. It has all the basic functions and a special feature that prevents false readings caused by leaked voltage.
Fluke 115– multimeter for service in the field. Model 115 is a multimeter for everyday use that is optimised for electric and electronic testing outdoors, in industry and in other applications where more than one basic function makes the job easier.
Fluke 116 multimeter– with thermometer and micro ampere. Model 116 is intended for engineers who work with heating, ventilation, and air conditioning. It includes temperature gauge and microampere function for quick troubleshooting of problems related to heating and ventilation.
Fluke 117 - multimeter with non-contact voltage detector. Model 117 is recommended for electricians who work in commercial and non-commercial premises (hospitals, schools). It is equipped with features such as non-contact voltage detector that does the job faster and more securely. Fluke 117 can also be ordered together with a Fluke 322 current clamp, a soft case and a mounting magnet.
All inputs in accordance with EN 61010-1 CAT III 600V.
Technical data:
Security standard:
All contacts are classified according to EN61010-1 CAT lll 600V. UL, CSA, TUV and VDE.
Multimeter 83V/87V
Fluke
Multimeter 83V/87V
Art. no.: 4203225
General specifications:

Maximum voltage between terminal and ground: 1000 V rms
Fuse protection for mA or µA inputs: 44/100 A, 1000 V FAST Fuse
Fuse protection for A input: 11 A, 1000 V FAST Fuse
Show:
Digital: 6000 counts updates 4 / sec; (Model 87V also has 19,999 bills in high resolution mode)
Analog: 33 segments, updates 40 / sec.
Frequency: 19,999 counts, updates 3 / sec at >10 Hz
Temperature: Operation: -20 ° C to +55 ° C; Storage: -40 ° C to +60 ° C
Altitude:
Operation: 2000 m
Storage: 10,000 m
Temperature coefficient: 0.05 x (specified accuracy) / ° C ( 28 ° C)
Electromagnetic compatibility: In an RF field with 3 V / m total accuracy = specified accuracy
Relative humidity: 0% to 90% (0 ° C to 35 ° C); 0% to 70% (35 ° C to 55 ° C)
Battery type: 9 V zinc, NEDA 1604 or 6F22 or 006P
Battery life: 400 hours typically with alkaline (with backlight off)
Vibration: Per MIL-PRF-28800 for a Class 2 instrument
Shock: 1 meter drop per IEC 61010-1: 2001
Size (HxWxL): 1.25 x x 3.41 in x 7.35 inches (3.1 cm x 8.6 cm x 18.6 cm)
Size with holster and flex stand: 2.06 in x 3.86 in x 7.93 inches (5.2 cm x 9.8 cm x 20.1 cm)
Weight: 355 g (12.5 oz)
Weight with holster and flex stand: 624 g (22.0 oz)
Safety: Meets ANSI / ISA S82.01-2004, CSA 22.2 no 1010.1: 2004 to 1000 V surge voltage category
Multimeter 83V/87V
Cable and cable detector Testboy 26
Testboy
Cable and cable detector Testboy 26
Art. no.: 4209033
Testboy 26 is a new cable and wire finder with integrated functions for measuring and checking on telecommunication cables. The Cable Finder is useful on telecoms cables and on de-energized power lines. With the transmitter a signal is sent on the cable which then can be located with the help of the receiver. Testboy 26 replaces the previous model Testboy 25, E4209169 and E4209635 and has several improved features. The receiver is equipped with an integrated lamp (LED) for the illumination of the object, and with headphone jack which is useful in noisy environments. The transmitter also has functions for measurements on telephone lines, and continuity measurement and has a protection against accidental connecting to mains voltage up to 400V. The instrument fits in a new exclusive hard case. Approved in accordance with EN61010.
Comes with hard case, batteries and instruction manual. 5-year warranty
Wireless humidity and temperature sensor, testo 605i
Testo
Wireless humidity and temperature sensor, testo 605i
Art. no.: 9854251
The compact moisture and temperature sensor testo 605i is part of the 2nd generation of Testo's SmartProbes series (with up to 100 m Bluetooth range) and is used in combination with a smartphone or tablet. It is suitable for measuring air temperature and relative humidity in rooms and ducts Together with the hot wire sensor testo 405i, it is also possible to determine heating and cooling performance.

The user can conveniently read their measured values in the free app that is downloaded to a smartphone or tablet. The app also enables automatic determination of dew point and wet temperature. All measurement data is displayed either as a diagram or in tabular form. The measurement results can also be sent directly as PDF or Excel files.

System requirements
iOS 8.3 or later
Android 4.3 or later
Bluetooth 4.0 or later

Included: Humidity / temperature sensor testo 605i with batteries and factory protocol.
Multimeter BM257
Elma
Multimeter BM257
Art. no.: 4203516
TRMS multimeter with Auto Check and temperature measurement
The Elma BM 257 is a new mini-multimeter that offers two exciting new functions. Auto Check is an intelligent function which automatically detects and selects AC or DC voltage, as well as throughput test/resistance. Auto Check is an intelligent function that automatically detects and selects AC or DC voltage, as well as continuity test/resistance. Low Z is voltage measurement with low impedance, i.e. the measuring point is loaded to ensure that it is actual voltage that’s being measured. The instrument has built-in non-contact detection of electrical fields that can be used, e.g., to detect electromagnetic fields from computer screens, or as a non-contact polar scope. The Elma BM 257 measures TRMS current, voltage, resistance, frequency, capacitance, continuity, and temperature. The Elma BM 257 has an illuminated display with analog bar graph for easy, quick reading. The instrument is equipped with automatic/manual area selection, relative measurement, Peak hold, min/max, data hold, and intelligent auto-shutoff. With PC communication and the (optional) Windows software, online data logging can be done. The instrument is very safe and robust, and tolerates misuse thanks to highly effective fuses. Meets IEC 61010-1 Cat. III 600V. The Elma BM 257 is supplied complete with rubber protective cover, test cables, temperature sensor (wire) -50 till +250°C), batteries, and user manual.
Multimeter BM829
Elma
Multimeter BM829
Art. no.: 4203132
TRMS AC+DC Cat. IV 1000V Auto Check multimeter

Large, illuminated double display, temperature measurement, and PC communication The Elma BM 829 sets new standards for what you can expect of a digital multimeter. With new functions like "Auto Check" and "Low Z", as well as IEC 61010-1 approval to Cat. IV 1000V the Elma BM 829 is hard to beat. Auto Check is an intelligent function which automatically detects and selects AC or DC voltage, as well as throughput test/resistance. All you have to do is turn on the instrument and measure.

Low Z is voltage measurement with low impedance, i.e. the measuring points are loaded to ensure that it is actual voltage that’s being measured. The Elma BM 829 is equipped with a large, illuminated double display and a quick analog bar graph. The instrument measures TRMS AC+DC voltage, current, frequency, resistance, capacitance, diodes, throughput and temperature. The Elma BM 829 has a number of extra functions, including 1ms crest/peak hold, max/min, relative measurement, data hold, auto shut-off, automatic/manual area selection, and a RS232-port for PC communication. The instrument has built-in non-contact detection of electrical fields that can be used, e.g., to detect electromagnetic fields from computer screens, or as a non-contact polar scope. With PC communication and the Windows software (sold separately), it is possible to do online data logging, where measured data can be shown as: Digital display, analog display, curve/graph, and table.

With the instrument connected to a PC, data can be stored in intervals from 1 second to 1 hour. The Elma BM 829 is UL listed and meets IEC 61010-1 Cat. IV 1000V. The instrument is equipped with highly effective fuses with control function, and is supplied complete with user manual, temperature probe, battery, test cables, and robust rubber protective cover.
Isolation tester and TRMS Cat IV multimeter, BM 878
Isolation tester and TRMS Cat IV multimeter, BM 878
Art. no.: 4201173
BM 878 is a true TRMS CAT IV multimeter with integrated isolation tester. The isolation tester has five optional test voltages. The instrument also has a built-in 200mA ohmmeter for measuring continuity. The BM 878 is equipped with a large, illuminated double display and a fast, analogue bar graph. The instrument measures TRMS voltage, current, frequency, resistance, capacitance, diodes continuity and temperature. Elma BM 878 has a number of extra functions that include: max / min, data hold, auto shutdown, automatic / manual range selection and VFD function, which allows the instrument to measure real values after a frequency converter. The multimeter meets EN61010-1 CAT IV 600V and is supplied incl. remote control, test leads, batteries, type K temperature probe and manual.
Metrel MI3155 Eurotest XDe
Metrel
Metrel MI3155 Eurotest XDe
Art. no.: 4202058
The Eurotext XC “AUTO-TEST" revolutionises elapsed time when you test in accordance with the installation guidelines. It’s never been faster to test, measure, and document.

Functions:
Voltage and frequency. Shorting current, loop impedance; neutral, earth, and phase.
Tests all types of RCD - type AC, A, B, B+, and F, as well as tripping time and tripping current with a smart ramp function.
Low-ohm 7 and 200mA test on the protective conductor.
Insulation test with 50 - 1000VDC test voltage. 2- and 3-pole transfer resistance to earth. Specific earth resistance with ro-adapter (optional).
Earth resistance measurement with 2 pliers (optional).
Phase sequence display.
TRMS leak current and current measurement (optional).
First Fault leak current measurement and indicative resistance measurement (IT-systems).
Memory with unique ability to build a map structure.
Maps/measurements can be named directly on the screen on customer premises.

Swedish Windows software for quick, easy documentation with the ability to edit and add comments. Swedish help function that shows connection diagrams directly on the screen.

New simple navigation and documentation - With its large, clear colour touchscreen, you quickly get an overview of both tests and saved results. Navigation is easy, either by touching the screen, or with the intuitive keypad. Eurotest is the only model on the market that allows building up and editing an entire installation structure, both via the software and directly in the instrument. In addition, customer name, address, project name, etc. can be input directly into the instrument. With Eurolink for Android (optional), you can build installation structures and transfer data from your tester via Bluetooth. You can also take pictures, video, and audio recordings and connect them to specific measurements. The complete measurement report, with all documentation, can be transmitted from your smartphone or tablet. The installation tester does not need to be brought back to the office to download data; everything can be done wirelessly in the field.

Technical data
3-pole earth resistance
Measuring Range:
0-20-200-10kΩ
Resolution:
0.01-0.1-1Ω
Metrel MI3155 Eurotest XDe
ProcessMeter 789
Fluke
ProcessMeter 789
Art. no.: 4202928
Features of Fluke 789:

24 V voltage source
Very large double display
Improved backlighting with 2 brightness settings
1200 ohm drive capacity on mA source
HART setting with circuits and a built-in 250 ohm resistor
Buttons for 0% and 100% for switching mode in the range 4-20 mA generated current for fast span check
Fuses that are easily accessible from the outside for easy replacement
IR port for data processing in FlukeView Forms software (V2.1)
The Fluke 789 has features that are also available in the Fluke 787:

Precision 1000 V, 440 mA digital multimeter for true RMS
0.1% DC accuracy
0.05% DC accuracy
Frequency measurement to 20 kHz
Min / Max / Medium / Preserve / Relative modes
Diode test and continuity signal
Simultaneous display of mA and% of scale reading
20 mA DC power source / loop calibrator / simulator
Manual stepping (100%, 25%, coarse, fine) plus automatic stepping and automatic ramp
Externally available battery for easy battery replacement
Safety Standard

Meets safety class 1000 V EN61010-1 CAT III and safety class 600 V EN61010-1 CAT IV.
Network tester SignalTEK QT
Network tester SignalTEK QT
Art. no.: 4204031
SignalTEK QT

Qualify copper installations – fast, easy and reliable

SignalTEK QT is designed for installers and technicians who want a fast and accurate method to qualify copper networks up to 10 Gb/s. Using the latest frequency-based technology from TREND Networks, SignalTEK QT combines high measurement accuracy, ease of use and full cloud integration in a compact device.

SignalTEK QT tests copper cables up to 400 MHz and delivers results in just five seconds. It measures Near-End Crosstalk (NEXT), Return Loss and Insertion Loss and clearly shows whether the installation can support speeds from 10 Mb/s to 10 Gb/s.

With live wiremap and TDR troubleshooting functionality, installations can be verified and faults located quickly. Built-in network diagnostics such as Ping, Traceroute, switch information and PoE load test up to 90 W allow connections to be analyzed on site.

Via AnyWARE Cloud, projects can be prepared online, synchronized directly to the tester and then uploaded to the cloud. Test results are saved centrally and can be printed as professional PDF reports, ensuring an efficient workflow and easy documentation.

SignalTEK QT is designed for installers and service technicians working with copper-based networks who need an efficient tester without unnecessary features. It requires minimal training and delivers fast, reliable documentation that customers can rely on.

SignalTEK QT comes with: 1x male remote module #1, 1 female remote module #1, 1x 1m Cat. 6A shielded patch cable, 1x USB-C charger and bag
Phase sequence display 9040
Fluke
Phase sequence display 9040
Art. no.: 4201545
Fluke 9040 is a phase sequence display that clearly indicates the 3 phases on a LCD display along with the phase sequence. Fluke 9040 is effective for the measurement of phase sequence anywhere where three phase current is used to drive motors, controllers and electrical systems. The voltage and the frequency range are designed for commercial and industrial applications. The measurement probes and alligator clips supplied with the instrument are designed to provide secure contact, especially on industrial contacts. No batteries are needed as the instrument is powered by mains voltage.
Comes with 3 probes, 3 pcs styli, fixed connected measuring cables and operating instructions. 2-year warranty.
Designed to meet the EN 61010 600V.CAT III requirements
Three phase display Via LCD display
Frequency band 15-400 Hz
Voltage range 40-700 Volts
Dimensions 124x61x27 mm
Weight 200 g
Installation tester Marelco M4361
Marelco
Installation tester Marelco M4361
Art. no.: 4200449
For installation control of new and existing electrical installations in accordance with the Electrical Installation Rules, SS 436 40 00. With M4361, you can easily carry out checks and tests of your electrical installation. The measuring tip with remote control works smoothly, and with the large illuminated display, the result is easy to read. The ZERO function resets the test leads’ loop resistance for precise results. A warning is issued for faulty connections. The perfect instrument for all electrical installers to have easily available in their service vehicles. Designed in accordance with SS-EN 61557 as applicable, as well as SS-EN 61010-1, Cat. III 300V for the user’s safety.

Supplied with: Quick guide to doing an installation check, Neck strap, Swedish user guide, wall socket cable, Measuring tip with remote control, alligator clips, test leads, measuring tips, test result templates for documentation, batteries, and hard case for secure transport.

Test functions
• RCD test 10mA - 500mA, RCD-RAMP, AUTO & MANUAL, TYPE A and AC RCD
• Insulation resistance 250V, 500V and 1000V, 1000MW
• Continuity, test of protective earthing 0,01-200W, Itest >200mA
• Loop impedance – ZLOOP
• Network impedance NO TRIP – ZLINE, does not trip earth fault breaker
• Short circuit current (0-26kA)
• Phase sequence
• Voltage 440V AC/DC
Digital multimeter DMM902/903/904
Elma
Digital multimeter DMM902/903/904
Art. no.: 4203065
Multimeters in very convenient format. Despite their small size, they have a very high security grade; CAT IV 600V, CAT III 1000V. They are protected against incorrect coupling by electronic fuse with automatic reset.
The instruments are fitted with non-contact voltage indicator, and voltage indication using measurement probe . Hold function and powerful LED lamp. The fixed measurement probes are kept securely on the back of the instrument.
Measurement features include voltage, current, resistance, diode and beeper, this applies for all models. Automatic power-off, saves the batteries.
The DMM 903 also has current measurement.
DMM 904 has not only current measurement but also capacity measurement.
All three multimeters are supplied with silicone wires and holster.
• Many features - small format
• Automatic selection of area
• Integrated flashlight
• Silicone cables
• Holster included
Voltage tester T-series
Fluke
Voltage tester T-series
Art. no.: 4200081
Fluke T90: Basic model for voltage and continuity measurement for maintenance.
Fluke T110: Intermediate model for basic voltage and continuity measurement and phase sequence display that can handle dark conditions. CAT IV 600V rating for indoor and outdoor use.
Fluke T130: Intermediate model for basic voltage and continuity measurement as well as phase sequence display that can handle dark conditions with actual voltage measurement on backlit LCD display and data locking functionality.
Fluke T150: Advanced model for advanced troubleshooting of AC and DC systems in all environments and with resistance measurement.

Backlit graded scale and backlit indicators
• Vibrations to provide tactile feedback (T110, T130 and T150)
• Noise on / off when testing in quiet areas
• Battery alarm
• Detects voltage even with discharged batteries
• Improved probe docking for safe storage
• Phase rotation indicator for 3-phase systems
• RCD functionality
• Two-button control allows you to draw more power from the circuit being tested and intentionally remotely trip ground fault circuit interrupters (RCD / JFB)
• Display Hold (T130 and T150)
Built-in electric flashlight (T110, T130 and T150)
• Single-phase voltage provides fast identification of live conductors
• Sliding probe tips, probe tip guards and storage accessories
• Probe tip protection and storage accessories
• The tip guard acts as an extra hand when opening electrical safety sockets according to UK standards
• Resistance measurement up to 1,999 ohms (T150)
WearGuard visar insulation indicates if the test cables are damaged"
Voltage tester T-seriesVoltage tester T-seriesVoltage tester T-series
Multimeter Kewmate 2012R
Elma
Multimeter Kewmate 2012R
Art. no.: 4203036
True RKS with open power clamp
Kewmate 2012R is one of the top models with the series of handy multimeters with open power clamp. The instrument now has new features and is equipped with TRMS-detector, automatic DC zero adjustment as well as a new and larger clamp which can measure up to 120A AC / DC.
Kewmate 2012R has a large easy-to-read display with analogue Bar graph, and it measures voltage, current, resistance, throughput, frequency, and is equipped with auto range selection, data hatch and auto-rejection. The instrument can be stored in the pocket and it is delivered with a powerful protection cover in which the test leads and the power clamp are well-protected. The instrument complies with IEC 61010-1 KAT III 300V and is delivered complete with test leads, batteries, protective cover and manual.
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