Inkbird
PID Temperature Controller Kit, High Voltage 100ACV to 240ACV, Comes with SSR 40DA Solid State Relay, K Type Thermocouple, and White Heat Sink
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The PID Temperature Controller Kit, High Voltage 100ACV to 240ACV, Comes with SSR 40DA Solid State Relay, K Type Thermocouple, and White Heat Sink is a niche pick — read recent reviews before buying in the controllers & gamepads category, priced around $42.99. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies Inkbird PID Temperature Controller Kit, High Voltage 100ACV to… as a niche pick — read recent reviews before buying in the controllers & gamepads category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Inkbird's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for controllers & gamepads of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by Inkbird's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Alarm Output: With 1 alarm relay output, AC250 V, 3 A (Resistive load), ON or NC, you can wire a buzzer
- Supports 3-Wire Sensor: a 3-wire sensor or 2-wire sensor, like the K type thermocouple and Cu500, is supported by this PID temperature controller
- SSR Output: With 1 relay output for external SSR, an SSR or relay is a must for this temperature controller; A 40DA SSR is included
- Digital Display Celsius or Fahrenheit: It’s a digital PID controller but also supports Centigrade or Fahrenheit reading
- 2 Temp Displaying Windows: The real-time temperature and the setpoint are shown at the same time
Full Specifications
| Brand | Inkbird |
|---|---|
| Color | white |
| Voltage | 240 Volts |
| Material | Plastic |
| SSR Output | With 1 relay output for external SSR, an SSR or relay is a must for this temperature controller; A 40DA SSR is included |
| Part Number | PID40W |
| Alarm Output | With 1 alarm relay output, AC250 V, 3 A (Resistive load), ON or NC, you can wire a buzzer |
| Display Type | LED |
| Material Type | Plastic |
| Included Components | PID, SSR 40DA Solid State Relay, K Type Thermocouple, and White Heat Sink |
| Supports 3-Wire Sensor | a 3-wire sensor or 2-wire sensor, like the K type thermocouple and Cu500, is supported by this PID temperature controller |
| 2 Temp Displaying Windows | The real-time temperature and the setpoint are shown at the same time |
| Item Dimensions L x W x H | 3.5"L x 1.88"W x 1.88"H |
| Digital Display Celsius or Fahrenheit | It’s a digital PID controller but also supports Centigrade or Fahrenheit reading |
Ready to buy?
Inkbird PID Temperature Controller Kit, High Voltage 100ACV to 240ACV, Comes with SSR 40DA Solid State Relay, K Type Thermocouple, and White Heat Sink is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related Controllers & Gamepads
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best 1440p Gaming GPUs in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Codex Now Drives Windows PCs: The Local-Agent Rig You Can Build Instead
- DGX Spark vs Mac Studio M3 Ultra: Which AI Dev Machine Wins in 2026?
- Tencent Hy3 on an RTX 3060 12GB: Can a $300 GPU Run It?
- Qwen3.6 35B A3B on RTX 3060 12GB: 80 tok/s with llama.cpp MTP
- Ideogram 4.0 Open Weights: Running It Locally on an RTX 3060 12GB
- Mount a 90s Big-Box CD-ROM ISO on Win98 Without a CD Drive: The CompactFlash + IDE Workflow
- Sound Blaster AWE64 vs Aureal Vortex 2: The Win98 Audio API War, Revisited
- Best Sim Racing Wheel & Pedal Setup in 2026
- AI-Assisted Driver Hunting on Voodoo3 + GeForce 4 Ti: A 2026 Win98 Workflow
- Best NVMe SSD for Local AI Model Storage in 2026
- Why NVIDIA Killed 3dfx: How the Voodoo Brand Still Haunts Modern GPU Launches
- MiniMax-M3 Tops Open-Weight Models at Intelligence Index 55
- T9 Keyboard for Your Smartphone: 2026 Maker's Guide
- Building a Period-Correct 2001 GeForce 3 Windows 98 SE Rig — With a CompactFlash Boot Drive
- Intel Arc AI Inference: 2025 Performance & Setup Guide
- GeForce 4 Ti 4200 AGP: The Best-Value Retro GPU for a 2002 Windows XP Build
- Can a 12GB RTX 3060 Run a 70B LLM? The Offload Reality Check
- Self-Hosted Jellyfin on a Raspberry Pi 4 8GB: What 1080p Transcoding Really Costs
- How to run Qwen 3 14B on Apple M4
- Kimi K3 Scores 57 on Intelligence Index at $0.94/Task
- Kimi K3 Just Launched: What You Can (and Can't) Run Locally Instead
- GLM-5.2: Probably the Most Powerful Text-Only Open-Weights LLM
- Coding Agents Can Run Hidden Malware: Why a Sandboxed Local Rig Matters
- Build a Sub-$60 Air Quality Monitor on a Raspberry Pi 4 (CO₂, PM2.5, VOC)