224 companies | 683 products
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airborne particle counter / handheld - YESDUST

The YESDUST is a portable particulate sensor that is ideal for use together with the YESAIR or YES Plus LGA IAG monitor. The module is powered with the use of its internal rechargeable...

hour counter / digital - max. 0.8 VA

The Digital Hour Counter is manufactured with various choices of supply voltage and operates...

hour counter / digital - HM 36

The HM 36 is manufactured by GIC, and is a digital hour counter which displays working time in hours...

hour counter / digital - HM 36

General Industrial Control's (GIC) Digital Counter features a 6-digit LCD screen,...

pulse counter / digital - CR 26

The CR 26 is recommended for the operations where space is limitation. It fearures...

pulse counter / digital - CR 26

The digital hour meter and counter is the new product of the GIC. It...

pulse counter / digital - CR 26

The electric energy meter, engineered by Entes, is an electrical measurement...

electric energy counter - Unipower 3010

The Unipower 3010 enables you to verify your electric meters onsite and online, i.e. without having to disconnect them first!

Technical and economical...

people counter - T-APC

Integrated with on board information systems or in a dedicated architecture, the Automatic People Counter developed by Tattile (T-APC) allows collection of statistic...

single-phase electric energy counter / electromechanical - 230 V, 0.25 - 60 A | CSM

Single-phase electronic watt-hour meter is intended for active energy metering for domestic and industrial users, commercial agents connected to the single-phase alternating current network.


electric energy counter / handheld - RS 80584

·HHU ensures the communication with the static single-phase watt-hour meter for active energy with differentiated rating by means of an optical head.


electric energy counter / outdoor - 230 V, 32 A | RS 80942

·The single-phase outdoor cabinet for power measurement and protection is intended for branchings of individual consumers.
·The cabinet fulfills the following functions:
- active energy metering
- protection against...

radioisotope counter / digital - AR-2000

The AR-2000 provides direct digital counting of all isotopes, including 3H. Direct counting guarantees the quantitive accuracy you need for important experiments and radiochemical purity measurements. The imaging proportional counter...

positron counter - Posi-RAM

With more and more sophisticated nuclear medicine applications, positron (β+) counting has become of increasing interest. Positrons are unique in that their lifetime is measured in picoseconds. Once they interact with a nearby electron, they give rise to two directly-opposed...

counter / liquid scintillation LSC - 300SL

The new and revolutionary 300SL liquid scintillation counter employs Triple to Double Coincidence Ratio (TDCR) counting. This absolute activity measuring technology...

counter / liquid scintillation LSC - 300SL

The Photon Counting Camera is ideally designed to provide an excellent quality performance and functionality. It has the ability to capture and incorporate an image in real time. The unit is suitable for...

photon counter - COUNT®

COUNT on us! The COUNT® photon counter features the highest quantum efficiency available and record-breaking dark count rates.

Facts about...

photon counter - COUNT®blue

ASER COMPONETNS expands its award-winning COUNT® series of single photon counting modules to include the new COUNT®blue devices. These combine the phenomenally low count rates of the existing modules with even higher detection efficiencies at shorter...

photon counter - COUNT® NIR

The COUNT® NIR is a single photon counting module for the NIR. It features an APD with enhanced detection efficiency...

photon counter - COUNT® Q

An absolute highlight is the COUNT® Q. Many of the customers work at wavelengths that silicon does not cover...

photon counter - COUNT® Q

Measurement principle:

The Chemtrac Systems, Inc. Laser Particle Counter model PC2400D combines simplicity of operation with powerful performance to set...

photon counter - PX01

PX01 Photon Counting Electronics ••
The PX01 unit accepts the input from three photomultiplier tubes and delivers either a TTL-output on three...

digital counter - LC1

- Compact size LCD indicating total counter
- Battery built in...

counter - D1-35N

Counter module with 10 input and 8 output isolated channels

The D1-35N module provides 10 count (2 up to 30 kHz) inputs and 8 digital outputs (24 V PNP transistor); all I/O channels are...

counter - D1-35A

Counter module with 10 inputs, 8 digital and 2 analog outputs

The D1-35A module provides 10 count (2 up to 30 kHz) inputs, 8 digital outputs (24 V PNP transistor)...

counter - D1-35A

The T1-55 is a module suited for DIN rail mounting that can be linked to a local operator panel (F1-10); it provides 2 encoder inputs for frequency up to 50 kHz and 8 digital inputs for frequency up to...

digital counter - RZ1D1C series


pulse counter / digital - 1 - 3 Km | X7121

The X7121 Wireless Pulse Counter Bridge transmits pulse counter, digital and analogue...

photon counter - 900 - 1700 nm | SPD_A_M1

The SPD_A from AUREA Technology is a family of ultra low noise near infrared single photon counting module ideal for the most demanding scientific and industrial applications, such as single...

photon counter / time-correlated - SPD_AT_M2 TCSPC

AUREA Technology provides the SPD_AT a new generation of all-in-one and easy-to-use near infrared Time Correlated Single Photon Counting (TCSPC) modules....

pulse counter / digital - 20 - 32 VDC | 910E5-2061

Large field displays are based on input and output cards of panel meter series 2000....

three-phase electric energy counter - ELNet LT

The ELNet-LT is a multi-functional three-phase power and energy powermeter from Getelnet that is designed to adhere to the demands of power and energy measurement in electrical installations. The device measures...

digital counter - 6 digit | OM 602UQC

Model OM 602UQC is a universal 6-digit programmable panel instrument which...

digital counter - EC442

The EC442 from Enda is programmable electronic up/down counter based on a microprocessor...

digital counter - CR7421PR

The CR7421PR PR UP Counter is a configurable electronic up counter equipped...

digital counter - EC762

The EC762 is specifically designed to provide a high quality functionality. The good quality device...

digital counter - EC762F

The EC762F by ENDA is a meter digital display which can be programmed electronically by either up or down counters. This program is based...


How to choose this product


A counter indicates an accumulated or flow quantity.


Many different kinds of counters are used throughout industry, including petroleum and chemical installations, dialysis machines or as electrical meters.


Such devices can be digital, electromechanical or, occasionally, pneumatic. The display may have a built-in or remotely controlled zero reset button. A pulse counter responds to discrete signals from a measuring device.

A single- or three-phase electrical meter records energy consumed by a load or produced by a generator. It often indicates voltage, intensity, active, reactive and apparent power, power factor and the frequency and rate of harmonic distortion.

Particle counters are used in clean rooms or to monitor the air in work settings. They indicate the relative number of dust particles by size. Geiger counters measure radioactivity.

Oval wheel meters measure fluid volume flow in chemistry and agribusiness. An hour-meter indicates the elapsed running time of a machine or a process.

Counters can have a Modbus, Ethernet or WiFi network interface, or an RS232 or RS485 serial connection. Successive measurements are stored in memory.

How to choose

Counters are characterized by the number of digits they can display, their measurement and reset method, and the number of communication ports available.

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