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Photoelectron Spectrometer
Manufactured by
Riken Keiki Co., Ltd.

SC-01 Smart Toxic Single Gas Monitor Now shipping


NH3, CO, Cl2, H2S, PH3, and SO2

The SC-01 is the most versatile personal single toxic gas monitor available today.

A unique sensor extender cable provides a quick response while doing remote monitoring.

The SC-01 is built around RKI’s latest ESM-01 smart line of plug and play toxic sensors. The current available models are for Ammonia, Arsine, Carbon Monoxide, Chlorine, Hydrogen Sulfide, Phosphine and Sulfur Dioxide.

For more information click here.

What's New

Riken Keiki presents the AC-2 Photoelectron Spectrometer
See the AC-2 at MRS, Materials Research Society, meeting on Nov. 27-29. See MRS website for more info.

RKI Introduces The Beacon 410 Controller
RKI is pleased to introduce the Beacon 410, four channel, wall mount controller. RKI has developed the Beacon 410 to be easy to use, flexible, and affordable. Beacon 410

How often should I calibrate my gas monitor?
Calibration frequency is one of the most commonly asked questions regarding the use of gas detection instruments. Regulatory agencies typically refer users to follow manufacturers recommended protocols for calibration... See entire answer here

Methamphetamine Laboratories Put Responders At Risk
Hazardous events at meth labs are on the rise, putting law enforcement and emergency response personnel at risk. Read the Application Brief for more details.

New ‘M2’ Transmitter Now Industry’s Best Value
RKI’s M2 series non-intrusive, stand-alone transmitters are being very well received by all users. These state-of-the-art transmitters can operate as an independent, stand-alone system, or as part of a system connected with an analog or digital signal to virtually any controller, PLC, or DCS. M2 Series.
Single Gas Portable Detectors


01 Series single gas monitorPocket-size Single Gas Monitors

LEL, CO, H2S, or O2

Light weight 3.5 ounces

Audible / visual / vibration indications personal gas detection

01 Series

Gaswatch 2 single gas monitorSingle Gas Personal Monitor

Choose from CO, H2S, or O2 gas detection. Fits on your wrist, clothing, belt or hardhat
GasWatch2

FP-30 Formaldehyde Gas DetectorFormaldehyde Gas Detector

Built-in sample draw pump

Direct readout of measurement value on easy to read LCD display
FP-30 / FP-40

Calibration Stations


Stand Alone Calibration Station
SM-2000 calibration stationA single module calibration station for the GX-2001 and GX-2003 portable gas monitors.

Multi Gas Personal Monitors


GX-2003 5 gas monitorPersonal Sample Draw, 4 instruments in 1 monitor

3 Operating Modes:
Confined Space
Bar Hole
Leak Check

GX-2003

SmallestGX-2001 4 gas monitor 4 Gas Monitor

LEL, O2, H2S, & CO gas detection

Vibration Alarm

Datalogging standard

GX-2001

Eagle 6 gas monitor1 to 6 Gas Sample Drawing

Simultaneous detection of up to 6 different gases, PPM / LEL hydrocarbon detection

EAGLE Series

Portable Combination HC/O2 or CH4/02 Gas Detector RX-415 Gas Detector

Measures gas concentrations in tank of LNG and LPG carriers.
RX-415

 Fixed Gas Detection Systems


M2 Stand Alone TransmitterStand Alone Transmitter

Explosion proof housing

Available for LEL, H2S, CO, and O2 IR (infrared)

M2 Series

H2 Specific Sensor/ TransmitterH2 Specific Transmitter
Explosion proof housing and sensor design

Hydrogen PPM sensor or Hydrogen % LEL sensor

H2 Specific

Beacon 110 controllerSingle Channel Wall Mount Controller

Low cost versatile solution. Accepts any 4-20 mA transmitter and RKI's LEL / O2 / H2S / CO direct connect sensors

Beacon 110

Beacon 410 controllerFour Channel Wall Mount Controller

Simultaneously displays the gas type, readings, and status for 4 channels. Accepts direct connect sensors for LEL / O2 / H2S / CO / CO2

Beacon 410

Toll Free: (800) 754-5165 | Phone: (510) 441-5656 | 33248 Central Ave, Union City, CA 94587
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