Manufacturing
17 columns
201 rows
8 formats

IoT Sensor Anomaly Alerts

This dataset provides detailed event logs of anomaly alerts generated by distributed IoT sensors, including sensor readings, anomaly types, severity levels, location data, and resolution status. It is ideal for predictive maintenance, security event detection, and operational analytics in environments with large-scale sensor deployments.

last updated 5 Sept 2025
by GoMask

The brief that made it

Predictive maintenance for industrial equipment

Sample rows

preview · 8 of 201 rows · all 17 columns

alert_idstring	sensor_typestring	sensor_valuefloat	maintenance_requiredboolean	unit_of_measurementstring	sensor_idstring	location_namestring	location_latitudefloat	location_longitudefloat	alert_timestampdatetime	anomaly_typestring	severity_levelstring	expected_valuefloat	resolvedboolean	resolved_timestampdatetime	alert_descriptionstring	resolution_notesstring
TMP-5A7G9K2X	temperature	87.2	false	Celsius	TMP-21294X	Zone A - Main Plant	34.0522	-118.2437	2024-06-05T08:13:44Z	threshold_breach	medium	41.5	true	2024-06-05T10:31:16Z	Temperature exceeded daily safe operating limits in Zone A.	Adjusted cooling system set-point to restore normal temperature.
PRS-9K4YB2W7	pressure	0	true	kPa	PRS-88120C	Warehouse Deck 3	37.7749	-122.4194	2024-06-06T14:26:11Z	device_failure	critical	101.2	false	blank	No pressure reading detected; device offline.	blank
VIB-42N6M8Q1	vibration	39.7	true	Hz	VIB-98345L	Line 2 - Assembly Area	40.7128	-74.006	2024-06-06T09:03:27Z	unexpected_pattern	high	28.4	false	blank	Detected abnormal vibration frequency sequence during operation.	blank
HMD-8L3D7T6Q	humidity	72.8	false	%RH	HMD-30571G	Testing Lab - Room 7	51.5074	-0.1278	2024-06-04T11:44:02Z	threshold_breach	medium	55	true	2024-06-04T13:22:19Z	Humidity exceeded recommended threshold in Room 7.	Dehumidifier activated to lower humidity; values returned to normal.
MOT-1R9T5K8J	motion	15.2	true	m/s^2	MOT-15479E	Corridor B - East Wing	48.8566	2.3522	2024-06-07T21:35:55Z	security_event	critical	0	false	blank	High acceleration detected in restricted corridor; possible intrusion.	blank
OTHER-3B2F8J7C	other	263.5	false	units	OTHER-11193S	Remote Outpost 9	0	180	2024-06-03T03:18:42Z	other	low	260	true	2024-06-03T03:45:08Z	Miscellaneous sensor reported minor signal fluctuation.	Signal stabilized after remote diagnostic reset.
TMP-6W3P8V2N	temperature	32.1	false	Celsius	TMP-49712B	Main Floor - Zone C	34.6937	135.5023	2024-06-05T17:19:33Z	threshold_breach	low	29.7	true	2024-06-05T17:46:50Z	Temperature slightly above expected in Zone C.	Minor adjustment to air flow resolved issue.
PRS-1E8U7L3T	pressure	309.7	true	kPa	PRS-66105F	Bay 5 - Loading Dock	35.6895	139.6917	2024-06-07T06:25:14Z	threshold_breach	high	102.5	false	blank	Pressure spike detected at Bay 5; possible valve malfunction.	blank
VIB-5D7C9M1H	vibration	22.3	false	Hz	VIB-21843N	Data Center - Rack 12	41.8781	-87.6298	2024-06-06T23:48:39Z	threshold_breach	medium	20	true	2024-06-07T00:36:11Z	Vibration frequency out of bounds for rack cooling fans.	Fan speed recalibrated to reduce vibration.
HMD-4J6K2T8D	humidity	99.9	true	%RH	HMD-91628Q	Greenhouse - Section 4	53.3498	-6.2603	2024-06-08T05:58:10Z	unexpected_pattern	high	70	false	blank	Sudden humidity surge detected in Section 4.	blank
TMP-2C8Z7V1F	temperature	18.5	false	Celsius	TMP-32847X	Control Room - South	-90	0	2024-06-04T20:11:12Z	threshold_breach	low	19	true	2024-06-04T20:42:29Z	Minor temperature deviation in Control Room.	Room temperature normalized after brief fluctuation.
PRS-6Z2M9T1B	pressure	0	true	kPa	PRS-57014R	Compressor Shed 2	55.7558	37.6176	2024-06-07T12:33:58Z	device_failure	critical	92.1	false	blank	Pressure sensor failed to report; suspected hardware issue.	blank
VIB-3F1H8K2L	vibration	31.2	false	Hz	VIB-70185M	Machinery Hall - East	52.52	13.405	2024-06-08T17:07:23Z	unexpected_pattern	medium	30	true	2024-06-08T18:29:14Z	Recurring vibration anomalies detected on conveyor belt.	Lubrication applied to conveyor mechanism; anomaly cleared.
HMD-5Q9M2C1J	humidity	100	true	%RH	HMD-74821K	Server Vault - Basement	34.0522	-118.2437	2024-06-05T04:22:38Z	security_event	high	45	false	blank	Maximum humidity detected in server room; possible water leak.	blank
MOT-7K2H4P3T	motion	5.8	false	m/s^2	MOT-83629B	Parking Garage - Level 1	43.6532	-79.3832	2024-06-07T05:41:59Z	threshold_breach	medium	0	true	2024-06-07T06:22:41Z	Motion sensor detected unexpected acceleration event.	False alarm confirmed; no intrusion detected.
OTHER-9M8T2K4F	other	9999999	false	lux	OTHER-27384R	Loading Area - Gate 2	90	-180	2024-06-06T01:14:21Z	threshold_breach	low	1000000	true	2024-06-06T01:41:52Z	Extreme light intensity recorded at gate sensor.	Sensor recalibrated; readings returned to normal.
TMP-5H2L8Q9N	temperature	44.5	false	Celsius	TMP-59134V	Control Tower - North	35.6762	139.6503	2024-06-08T02:35:56Z	threshold_breach	medium	40.9	true	2024-06-08T03:12:47Z	Temperature slightly above recommended range in tower.	HVAC system adjusted; temperature normalized.
PRS-7C3F2L8H	pressure	250.9	true	kPa	PRS-98163M	North Dock - Pump Station	45.4642	9.19	2024-06-04T02:27:33Z	threshold_breach	high	104.3	false	blank	Pressure anomaly detected at pump station.	blank
VIB-2N9K7M1F	vibration	0	true	Hz	VIB-42018Q	Engine Room - Sector D	51.1657	10.4515	2024-06-03T10:44:02Z	device_failure	critical	33.1	false	blank	Vibration sensor failed; no reading available.	blank
HMD-3K2J8M4L	humidity	55.6	false	%RH	HMD-82635C	Assembly Zone - Area 6	37.5665	126.978	2024-06-09T13:19:58Z	threshold_breach	medium	50	true	2024-06-09T14:01:02Z	Humidity slightly above expected in Area 6.	Ventilation system improved airflow; anomaly resolved.

What the 201 rows show

from the 201-row sample

Other (sensor type) stands out: mean sensor_value is 3,336,841, against 69.4 for the rest.

41%maintenance_required = true
39.1median sensor_value
4severity levels
5anomaly types
38.6median expected_value

Mean sensor_value by sensor_type201 rows

sensor_value201 rows, in bands of 2M

Median 39.1, from -20.1 to 9,999,999.

unit_of_measurement201 rows · 7 values

Celsius42
kPa39
%RH35
Hz34
m/s^228
units13
lux10

17 columns by typefrom the column list below

string 9
float 4
datetime 2
boolean 2

Columns

17 columns in four groups

blueprint · 17 columns
column	type	description	example
Text 9 columns
`alert_id`	string	Unique identifier for each anomaly alert eventunique	TMP-5A7G9K2X
`sensor_id`	string	Unique identifier for the IoT sensor reporting the anomaly	TMP-21294X
`sensor_type`	string	Type of IoT sensor (e.g., temperature, vibration, humidity)6 values	temperature
`location_name`	string	Human-readable name or code for the sensor's location	Zone A - Main Plant
`anomaly_type`	string	Category or type of detected anomaly (e.g., threshold breach, unexpected pattern, security event)5 values	threshold_breach
`severity_level`	string	Severity level of the anomaly (e.g., low, medium, high, critical)low · medium · high · critical	medium
`unit_of_measurement`	string	Unit of measurement for the sensor value (e.g., Celsius, Hz, %RH)7 measurements	Celsius
`alert_description`	string	Detailed description or notes about the anomaly eventoptional	Temperature exceeded dail…
`resolution_notes`	string	Notes or description of the resolution actions takenoptional	Adjusted cooling system s…
Numbers 4 columns
`location_latitude`	float	Latitude coordinate of the sensor's location-90 to 90 · optional	34.0522
`location_longitude`	float	Longitude coordinate of the sensor's location-180 to 180 · optional	-118.2437
`sensor_value`	float	Sensor reading value at the time of anomaly	87.2
`expected_value`	float	Expected or normal value for the sensor at the time of anomalyoptional	41.5
Dates and times 2 columns
`alert_timestamp`	datetime	Timestamp when the anomaly was detected	2024-06-05T08:13:44Z
`resolved_timestamp`	datetime	Timestamp when the anomaly was marked as resolvedoptional	2024-06-05T10:31:16Z
True or false 2 columns
`maintenance_required`	boolean	Indicates if immediate maintenance is required as a result of the anomaly	false
`resolved`	boolean	Indicates if the anomaly has been resolved	true

Use it for

A manufacturing dashboard
The maintenance_required rate, sensor_value by sensor_type and a breakdown of unit_of_measurement. Excel, Power BI or Tableau.
Why do the 23 other rows have a mean sensor_value of 3,336,841?
A root-cause class exercise
Hand out the rows and one question. The answer is in the data, not in the brief.
Alerts201
TMP-5A7G9K2X87.2temperat…
PRS-9K4YB2W70pressure
VIB-42N6M8Q139.7vibration
A software demo
Believable alerts with sensor_id, sensor_type and location_name to fill a screen in front of a buyer.

This dataset201 rows17 columns

Yours1,000 rows17 columnslocation_name: UK only

blueprint · iot-sensor-anomaly-alerts

Behind this dataset

Same schema. As many rows as you need.

These 201 rows came out of a blueprint — 17 columns with generation rules behind each one. Open it in Data Factory to retune a column, add your own, wire in foreign keys, and run it at the size you actually need.

Rules it was built with

Timestamp every anomaly event
Categorize anomaly type
Include sensor location
Flag critical alerts

Rows1,000 rows10,000 rows100,000 rows1,000,000 rows

Open the blueprint in Data Factory

1 credit per row. Preview 20 rows free. Buy rows for the full run.

Exports: CSV, JSON, JSONL, Parquet, SQL, Excel, TSV, XML
Licence: yours to use, including commercially
API slug: iot-sensor-anomaly-alerts

What should your data show?

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Sample rows

What the 201 rows show

Columns

Use it for

A manufacturing dashboard

A root-cause class exercise

A software demo

Make it yours.

Same schema. As many rows as you need.

More in Manufacturing

What should your data show?