RKI Instruments
RKI Sulfur Dioxide (SO2), 0-100 ppm, for GX-6000 & GX-6100 Replacement Sensor
- SKU:
- ESS-03DH-SO2
- MPN:
- ESS-03DH-SO2
Description
The RKI ESS-03DH-SO2 is a genuine RKI Sulfur Dioxide (SO2) replacement sensor designed for compatible RKI GX-6000 and RKI GX-6100 portable multi-gas monitors.
RKI's current 2026 replacement-parts listings specify the ESS-03DH-SO2 with a Sulfur Dioxide measurement range of 0–100 ppm. The sensor uses electrochemical sensing technology for toxic gas detection.
The ESS-03DH-SO2 is an ESS-series plug-in sensor designed for installation in the compatible smart-sensor positions of the GX-6000 and GX-6100.
Important: RKI has published different measurement ranges for ESS-03DH-SO2 in different documentation. The current 2026 RKI replacement-parts listings specify 0–100 ppm. Verify the required sensor range and instrument configuration before ordering.
For assistance confirming the correct replacement sensor for your RKI instrument, contact CPS Calibrations at 865-900-8844 or info@cpscalibrations.com.
- Genuine RKI Instruments replacement sensor
- Detects Sulfur Dioxide (SO2)
- Current RKI replacement-parts listing: 0–100 ppm
- Electrochemical sensing technology
- ESS-series plug-in sensor
- Compatible with RKI GX-6000
- Compatible with RKI GX-6100
- Direct replacement for RKI part number ESS-03DH-SO2
| Manufacturer | RKI Instruments |
| Part Number | ESS-03DH-SO2 |
| Target Gas | Sulfur Dioxide (SO2) |
| Measurement Range | 0–100 ppm (2026 RKI replacement-parts listing) |
| Sensor Technology | Electrochemical |
| Sensor Style | ESS Plug-In |
| Compatible Instruments | RKI GX-6000, RKI GX-6100 |
RKI's 2026 replacement-parts documentation identifies ESS-03DH-SO2 for:
- RKI GX-6000 – Sulfur Dioxide (SO2) configuration
- RKI GX-6100 – Sulfur Dioxide (SO2) configuration
Sensor: ESS-03DH-SO2
Gas: Sulfur Dioxide (SO2)
Current RKI Replacement Listing Range: 0–100 ppm
Technology: Electrochemical
Sensor Style: ESS Plug-In
Filter: RKI lists part number 33-7135 as the H2S scrubber disk used with the ESS-03DH-SO2 sensor. The scrubber disk is a separate replacement component.
Important: RKI offers multiple Sulfur Dioxide sensors and has published different ranges for ESS-03DH-SO2 in different documentation. Verify the installed sensor part number and required measurement range before ordering.
Need help confirming compatibility? Contact CPS Calibrations at 865-900-8844 or info@cpscalibrations.com.