Option 1 · Heiman
Heiman WS2CG Series Combustible Gas Detector
Catalog update date not recorded
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Heiman WS2CG Series Combustible Gas Detector vs Zemismart ZM-GA100 Zigbee Gas Detector
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Key differences between Heiman WS2CG Series Combustible Gas Detector and Zemismart ZM-GA100 Zigbee Gas Detector
A summary of selected recorded differences between these gas detectors. Check the full specification table below for details and conditions.
Feature differences among your selected devices
- 2.4 GHz Wi-Fi (connectivity): Heiman WS2CG Series Combustible Gas Detector — Yes (Connects straight to WiFi and the Tuya Smart Life app, no hub required); Zemismart ZM-GA100 Zigbee Gas Detector — No.
- Lpg Propane (detection): Heiman WS2CG Series Combustible Gas Detector — Yes (Heiman lists natural gas and LPG as the detected gases); Zemismart ZM-GA100 Zigbee Gas Detector — No.
- Wired (power): Heiman WS2CG Series Combustible Gas Detector — Yes (Mains powered, AC 100V-240V); Zemismart ZM-GA100 Zigbee Gas Detector — No (Zemismart documents a low battery reminder and no mains connection, and the product photos show no power lead).
Specifications to check side by side
- Zigbee (connectivity): Heiman WS2CG Series Combustible Gas Detector — No; Zemismart ZM-GA100 Zigbee Gas Detector — Zigbee Hub required (Needs a Tuya Zigbee hub to reach the app).
Information still to confirm
- 13 of 37 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
- Check the full table and manufacturer documentation before ruling out a device.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.
Option 2 · Zemismart
Zemismart ZM-GA100 Zigbee Gas Detector
Catalog update date not recorded
View full device profileWhat the catalog tells us
Understand the tradeoffs.
These counts describe the available data, not a quality score. More features do not automatically make a better device.
4differences with recorded values for every device
13rows with missing or unspecified information
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Focus on what changes.
Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 37 of 37 rows. “Not recorded” does not mean “No”.
Alerts
- Heiman WS2CG Series Combustible Gas Detector
- 70 dB
- Zemismart ZM-GA100 Zigbee Gas Detector
- 70 dB
Manufacturer source
The manufacturer states a 70 dB local alarm.
Zemismart ZM-GA100 Zigbee Gas Detector manufacturer product page →- Source section
- Product description
- Model
- Zemismart ZM-GA100 Zigbee Gas Detector
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
Requires a compatible Zigbee hub. The source does not establish LPG detection or provide an alarm measurement distance.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Real-time notifications through the Tuya Smart Life app
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Manufacturer source
The Tuya or Smart Life app can receive alerts.
Zemismart ZM-GA100 Zigbee Gas Detector manufacturer product page →- Source section
- Product description
- Model
- Zemismart ZM-GA100 Zigbee Gas Detector
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
Requires a compatible Zigbee hub. The source does not establish LPG detection or provide an alarm measurement distance.
Document check only; not a hands-on test or verification of every regional or firmware variant.
Catalog note
Real-time push alerts through Tuya Smart or Smart Life
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Yellow LED flashes with a voice prompt when the unit faults
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
- Heiman WS2CG Series Combustible Gas Detector
- Not applicable / unspecified
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Catalog note
The app shows a low battery reminder
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Audio and flash alarm plus a spoken voice prompt
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Catalog note
70 dB local voice alarm
Connectivity
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Connects straight to WiFi and the Tuya Smart Life app, no hub required
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- Zigbee Hub required
Catalog note
Needs a Tuya Zigbee hub to reach the app
Detection
- Heiman WS2CG Series Combustible Gas Detector
- 6% LEL
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- Not recorded
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Catalog note
Measuring range of 0 to 100% LEL
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Heiman lists natural gas and LPG as the detected gases
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Manufacturer source
The stated target gas is methane in natural gas.
Heiman WS2CG Series Combustible Gas Detector manufacturer product page →- Source section
- Product description
- Model
- Heiman WS2CG Series Combustible Gas Detector
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
This statement does not establish LPG detection or certification for a particular jurisdiction.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Manufacturer source
The specified target gas is methane in piped natural gas.
Zemismart ZM-GA100 Zigbee Gas Detector manufacturer product page →- Source section
- Product description
- Model
- Zemismart ZM-GA100 Zigbee Gas Detector
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
Requires a compatible Zigbee hub. The source does not establish LPG detection or provide an alarm measurement distance.
Document check only; not a hands-on test or verification of every regional or firmware variant.
Catalog note
Calibrated for pipeline natural gas (methane)
- Heiman WS2CG Series Combustible Gas Detector
- Not recorded
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
- Heiman WS2CG Series Combustible Gas Detector
- Semiconductor
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
Features
- Heiman WS2CG Series Combustible Gas Detector
- Yes
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Catalog note
The alarm state can be used in Tuya smart scenes
- Heiman WS2CG Series Combustible Gas Detector
- Not recorded
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- Not recorded
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- Not recorded
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Catalog note
Mute button on the front of the unit
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Push-to-test button on the front of the unit
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Catalog note
Self-check button on the front of the unit
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Drives a valve manipulator accessory that closes the gas valve on alarm
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
Integrations
- Heiman WS2CG Series Combustible Gas Detector
- No
Catalog note
Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
Catalog note
Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- No
Catalog note
Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
Catalog note
Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Tuya device, covered by the gas alarm category of the official Home Assistant Tuya integration
- Zemismart ZM-GA100 Zigbee Gas Detector
- Yes
Catalog note
Tuya device, covered by the gas alarm category of the official Home Assistant Tuya integration
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
Power
- Heiman WS2CG Series Combustible Gas Detector
- No
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not applicable / unspecified
- Heiman WS2CG Series Combustible Gas Detector
- Not applicable / unspecified
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
- Heiman WS2CG Series Combustible Gas Detector
- Not applicable / unspecified
- Zemismart ZM-GA100 Zigbee Gas Detector
- Not recorded
- Heiman WS2CG Series Combustible Gas Detector
- Yes
Catalog note
Mains powered, AC 100V-240V
- Zemismart ZM-GA100 Zigbee Gas Detector
- No
Catalog note
Zemismart documents a low battery reminder and no mains connection, and the product photos show no power lead
| Specification | Heiman WS2CG Series Combustible Gas Detector | Zemismart ZM-GA100 Zigbee Gas Detector |
|---|---|---|
| Alerts | ||
| 70 dB | 70 dBManufacturer sourceThe manufacturer states a 70 dB local alarm. Zemismart ZM-GA100 Zigbee Gas Detector manufacturer product page →
Requires a compatible Zigbee hub. The source does not establish LPG detection or provide an alarm measurement distance. Document check only; not a hands-on test or verification of every regional or firmware variant. | |
YesCatalog noteReal-time notifications through the Tuya Smart Life app | YesManufacturer sourceThe Tuya or Smart Life app can receive alerts. Zemismart ZM-GA100 Zigbee Gas Detector manufacturer product page →
Requires a compatible Zigbee hub. The source does not establish LPG detection or provide an alarm measurement distance. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteReal-time push alerts through Tuya Smart or Smart Life | |
YesCatalog noteYellow LED flashes with a voice prompt when the unit faults | Not recorded | |
| Not applicable / unspecified | YesCatalog noteThe app shows a low battery reminder | |
YesCatalog noteAudio and flash alarm plus a spoken voice prompt | YesCatalog note70 dB local voice alarm | |
| Connectivity | ||
YesCatalog noteConnects straight to WiFi and the Tuya Smart Life app, no hub required | No | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| No | Zigbee Hub requiredCatalog noteNeeds a Tuya Zigbee hub to reach the app | |
| Detection | ||
| 6% LEL | Not recorded | |
| No | No | |
| Not recorded | YesCatalog noteMeasuring range of 0 to 100% LEL | |
YesCatalog noteHeiman lists natural gas and LPG as the detected gases | No | |
YesManufacturer sourceThe stated target gas is methane in natural gas. Heiman WS2CG Series Combustible Gas Detector manufacturer product page →
This statement does not establish LPG detection or certification for a particular jurisdiction. Document check only; not a hands-on test or verification of every regional or firmware variant. | YesManufacturer sourceThe specified target gas is methane in piped natural gas. Zemismart ZM-GA100 Zigbee Gas Detector manufacturer product page →
Requires a compatible Zigbee hub. The source does not establish LPG detection or provide an alarm measurement distance. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteCalibrated for pipeline natural gas (methane) | |
| Not recorded | Not recorded | |
| Semiconductor | Not recorded | |
| Features | ||
| Yes | YesCatalog noteThe alarm state can be used in Tuya smart scenes | |
| Not recorded | Not recorded | |
| No | No | |
| Not recorded | Not recorded | |
| No | No | |
| Not recorded | YesCatalog noteMute button on the front of the unit | |
YesCatalog notePush-to-test button on the front of the unit | YesCatalog noteSelf-check button on the front of the unit | |
YesCatalog noteDrives a valve manipulator accessory that closes the gas valve on alarm | Not recorded | |
| Integrations | ||
NoCatalog noteNeither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it | NoCatalog noteNeither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it | |
| No | No | |
NoCatalog noteNeither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it | NoCatalog noteNeither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it | |
YesCatalog noteTuya device, covered by the gas alarm category of the official Home Assistant Tuya integration | YesCatalog noteTuya device, covered by the gas alarm category of the official Home Assistant Tuya integration | |
| No | No | |
| No | No | |
| Power | ||
| No | Not applicable / unspecified | |
| Not applicable / unspecified | Not recorded | |
| Not applicable / unspecified | Not recorded | |
YesCatalog noteMains powered, AC 100V-240V | NoCatalog noteZemismart documents a low battery reminder and no mains connection, and the product photos show no power lead | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology