$500 - $750

Part Number: SR-Z1-4R

*Please note we can only ship RKI products to customers within the United States

44348 PentaView LCD Digital Microscope by Celestron

The professional-level Celestron PentaView LCD Digital Microscope is a touchscreen LCD microscope with advanced features at a reasonable price. PentaView features 5 fully achromatic lens objectives, a mechanical stage, a 4.3" TFT full color touch screen, 5 MP CMOS sensor, and a 4 GB SD card for storing your photos and videos. Taking high-resolution images and video of specimen slides has never been easier.

The LCD screen rotates 180 degrees so you can easily share your viewing with others. For an even bigger audience, use the TV output to display on a television or projector. With magnification from 40 to 600x (2400x with digital zoom), PentaView is ideal for viewing a range of cellular specimens on slides.

Great for the discriminating professional or serious hobbyist, the LCD Digital Microscope with touchscreen is an excellent tool for labs, schools, scientific research, and more.

• 40x to 600x magnification, up to 2400x with digital zoom
• 4.3" LCD touchscreen
• 5 MP CMOS built-in digital camera
• 5 fully achromatic objective lenses: 4x, 10x, 20x, 40x, 60x
• Top & bottom adjustable LED illumination
• 180° rotatable LCD screen
• Fully mechanical stage
• Coarse and fine focus knobs
• Filter wheel/diaphragm
• AV/TV output with cable
• Optional battery mode
• SD card slot with 4 GB SD card included (Supports up to 32 GB)
• Universal AC adapter with multi-plugs for international usage
• Accessories included: 10 prepared slides, hard carrying case, dust cover, touch pen, USB cable, AV cable

TOC-750-NO2 TOC-750 Series 2-Wire Addressable Gas Detector, Nitrogen Dioxide Sensor NO2, 0-5ppm by IGD

The TOC-750 series redefines gas safety with our cutting-edge Sentinel+TM technology providing addressable, streamlined gas detection. This revolutionary system uses our 2-Wire system to connect all detectors and provide both power andcommunication.

It offers uncompromised safety at a lower cost, with each detector node boasting individual I/O capabilities for precise distributed control, and data management wherever it s needed. Plug-and-Play sensor options for over 700 gases, and modular functionality, combine to make the TOC-750 the most versatile sensor on the market.

Easy Installation

• 2-Wire Addressable system minimises installation time and costs.
• Ready to use with 1-click auto setup and self-check.
• Polarity independent cable.

Simple Servicing

• Intuitive plug-and-play pre-calibrated detectors.
• Auto-detect sensor change for automatic updates on ranges, gases, and alarms.

Unparalleled Versatility

• I/O points put you in control of valves, beacon sounders and other external devices.
• Accommodates 4-20mA signal inputs for system integration.

Peace of Mind

• Designed and manufactured in the UK.
• Backed up by more than a century of expertise and our 10-year guarantee.
• All compliance is supported by third-party certification.

Part Number: U105320PM4

Part Number: 116L-112-5

Part Number: BWS-BL-PCB1

AI465 SX725 Handheld pH/DO Meter Kit by Apera

Apera SX725 is designed for lab-grade measurement of pH and DO (dissolved oxygen) in the field, suitable for general water solutions' applications such as water treatment, groundwater, surface water, hydroponics, environmental monitoring, aquaculture, aquarium, beverage making, etc.

Basic Features

• Intelligent functions – auto. calibration, auto. temperature compensation, self-diagnosis, data logging, auto. power off, and more.
• Digital filter technology – enhance the meter's response time and measurement accuracy
• Automatic electrode recognition – the meter automatically switches to the right parameter mode according to the connected electrode
• Data logging – 300 sets of data storage and recall
• Built tough – IP57 water-resistant structure, ideal for use in harsh environment

37950-02 Traceable Thermohygrometer with RS-232, Alarm, and Calibration by Digi-Sense

Simultaneously displays both temperature and relative humidity on the dual 1-1/8-inch LCD display. These meters feature data hold, MIN/MAX, memory storage, selectable °F/°C, low-battery indicator, and auto-off. Equipped with an RS-232 output socket for transferring data to a computer. Model 4385 (37950-02) also calculates dew point and features an alarm for out-of-range conditions.

Products are calibrated to NIST-traceable standards and ready to use as soon as you receive it. Each product goes through an intense vetting process before it can carry the Traceable name, and it includes NIST-Traceable® Products have an individually-numbered Traceable® Certificate provided with each unit, that assures accuracy from our ISO/IEC 17025:2017(1750.01) calibration laboratory accredited by A2LA. It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement. Each product goes through an intense vetting process before it can carry the Traceable name, thus saving you both time and money by not having to calibrate separately.

Model 37950-11 also calculates dew point and features an alarm for out-of-range conditions.

• Includes NIST-Traceable certificate from our A2LA accredited (1750.01) calibration laboratory
• Download data to PC via RS-232
• Microprocessor-based for quick and easy calibration

Includes

One 9 V battery, hard case, and NIST-traceable calibration certificate with data.

MCXL-XW00-B-BR GasAlertMicroClip XL Detector, Combustible (% LEL), Oxygen (O2) - Black Housing, BR Version (Brazil) by BW Technologies

The easy to wear, slim and compact GasAlertMicroClip provides affordable protection from atmospheric gas hazards. For standard operation with features you can count on, opt for the GasAlertMicroClip XT. For extended battery life, especially in cold weather, choose the GasAlertMicroClip XL. Both offer visual compliance at a glance with the flashing, green IntelliFlash™. Easy onebutton operation reduces training time and lets workers focus on the job at hand. For simple, cost-effective management of your records, calibration and bump testing, choose BW's MicroDock II automatic test and calibration system and Fleet Manager II software.

• Easy and comfortable to wear; thin and lightweight
• Easy operation and straightforward training with one-button simplicity
• Easy visual compliance with flashing, green IntelliFlash™
• Easy and cost effective to own

Additional GasAlertMicroClip features:

• Choose the GasAlertMicroClip XL for cold weather performance
• IntelliFlash™ verifies operation and compliance to both the user and supervisor
• Tamper-proof, one button operation
• Powered by a rechargeable lithium polymer battery

Standard features of BW multi-gas products:

• Continuous LCD shows real-time gas concentrations
• Compact and lightweight design makes it comfortable to wear
• Water-resistant
• Simple automatic calibration procedure; compatible with BW MicroDock II automatic test and calibration station
• Full function self-test of sensor, battery status, circuit integrity and audible/visual alarms on start up
• Bright wide-angled visual alarm bars
• Built-in concussion-proof boot
• Multi-language support in English, French, German, Spanish and Portuguese
• Conveniently manage your fleet using Fleet Manager II

Part Number: MCXLXW00BBR

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

AAA118196 DUO TRACER Portable Dual Gas Detector, O2 (0~30%Vol), CO2 (0~100%LEL,NDIR) by Senko

DUO TRACER is a portable gas detector that uses the diffusion method to warn of dangerous environments related to gases. The detector indicates the concentration of oxygen, explosive or toxic gases on the LCD monitor. It is easy and simple to operate. The device alerts workers to danger with an alarm, LED, and vibration when gas levels exceed safety thresholds. It shows the gas concentration in real time and identifies the maximum and minimum concentration. Settings can be modified via wireless or Senko IR Link (optional).

KEY FEATURES

• Dual Gas Detection: Simultaneously detects two gases for comprehensive monitoring.
• Wireless and IR Connectivity: Easy connection and configuration.
• Real-time Monitoring: Continuous gas concentration readings.
• IP67 Rating: Water and dustproof for rugged environments.
• Compact and Lightweight: Portable design for easy handling.
• High-performance Alarms: Visual, audible, and vibration alerts.
• Event Log: Automatically logs up to 30 alarm events.
• IR Link Configuration: Easy data management and setup.
• User-friendly Operation: Simple interface for ease of use.
• Multi-docking Station: Simultaneous bump test and calibration.
• Explosion-proof Certification: Complies with global explosion-proof standard.

TPG603NHH1U00U Seko Tekna Series Solenoid Driven Metering Pump, TPG Digital Series PVDF/EPDM for Sodium Hydroxide, 25 GPD @ 174PSI by Quantrol

SEKO Tekna Series Pump Features

• 5 Models cover an output range of 0.1-29 GPH with pressure ratings up to 290 PSI.
• Turndown ratio 100:1 using the manual stroke rate control.
• Installation flexibility with both wall mount and surface mount brackets included.
• Wet end constructed of PVDF Head, PVDF Fittings, Ceramic Balls, FPM Seats and a long life, 1 piece, molded PTFE diaphragm.
• Pump head incorporates an integral manual priming valve.
• Automatic degassing wet end available with PVDF Head & Fittings, Ceramic ball checks, FPM seats and molded Teflon Diaphragm.
• Installation kit included with Foot Valve/Strainer, Injection/Back Pressure Valve, 3/8" PVC Suction and Polyethylene Discharge tubing.
• Liquid End, User Interface and Wiring are all on the same end of the pump to simplify installation, operation, and maintenance.
• Chemical resistant, glass reinforced polypropylene enclosure is IP65 and NEMA 4x rated.
• Auto ranging power supply. 100-240VAC, 50/60Hz.
• Dry contact low level input with alarm LED.

TPR Digital Series

• Built in pH or ORP control
• Proportional control, overfeed and alarm setting
• Alarm dry contact output
• Alarm and stroke LED indicators
• Remote Start/Stop input
• 4-20mA output

6350NKA pH/Conductivity/Salinity/mV/Temp. Handheld Meter with RS-232 Kit by Jenco

The Jenco 6350 is a high performance pH/Conductivity/Salinity/mV/Temp. handheld meter in a splash proof case with an RS-232C interface that allows it to communicate with any IBM compatible PC. This meter is CE approved and features 0.01 pH Resolution and a mV range of ± Salinity is in the range of 0.0 to 80.0 ppt with a 0.0 ppt resolution. Conductivity Cells are selectable for K=1.0 or K=5.0 and ranges are selectable for uS or mS.

Includes:

• 6350N: Conductivity meter
• 106: Glass, Conductivity probe, K=1.0, 3-ft
• Choice of 6230D115: 120V AC adapter or 6230D230: 220V AC adapter
• 6350F: Carrying Case

• pH buffer recognition: model 6350 (pH:7.00,4.01,10.01) , model 6350c (pH:6.86,4,9.18)
• Selectable 2/4 wire cells for long cable length & wide measurement range
• Store 50 sets of data in non-volatile memory
• Conductivity auto/manual range
• Power down memory backup
• Splash resistant/watertight case
• Audio feedback keys
• Battery/ac adaptor
• RS-232c output