Calibrated Waterproof Alarm Thermometer SI-684 with Calibration
If your temperature readings are wrong, everything else is wrong.
The SI-684 Waterproof Alarm Thermometer with Calibration is built for businesses that cannot afford mistakes — whether you are running a kitchen, managing cold storage, or handling critical production.
Fast, simple, reliable.
You get 3–4 second readings, with a wide range from -50°C to 300°C, so you can check anything from frozen goods to hot food instantly — no waiting, no guessing.
Every unit comes with a calibration report traceable to national standards, so when audits come, you are ready.
No scrambling. No last-minute panic.
Built for real working environments:
-
IP66 waterproof — wash down, no problem
-
Food-grade stainless steel probe — safe, durable, accurate
-
Alarm function — know immediately when limits are exceeded
Used by hotels, hospitals, and food operators across Singapore.
Because at the end of the day, you don’t just need a thermometer —
you need proof your process is under control.
Simple to use. Easy to deploy. No training needed.
Ex-stock in Singapore. Next-day delivery possible.
Get yours today.
Or if you have a larger requirement, give us a call —
we can arrange a sample unit for your team to try first.
- 3-4s response time
- Waterproof IP66
- Magnetic attachment
- 10mins auto-off function
- Eco-friendly ABS plastic
- Can be recalibrated at 0°C
- Min/Max Temperature record
- Temperature Alarm set function
- Probe length of 113mm
Why Certified?
– Unit comes with an accredited calibration certificate
– No Downtime
– Time and Cost savings
Calibration Points for SI-684 are set at -20°C, 0°C and 100°C.
Kindly specify your Company Name and Address to be printed on the Calibration Report when placing order.
S$174.40
Description
If your temperature readings are wrong, everything else is wrong.
The SI-684 Waterproof Alarm Thermometer with Calibration is built for businesses that cannot afford mistakes — whether you are running a kitchen, managing cold storage, or handling critical production.
Fast, simple, reliable.
You get 3–4 second readings, with a wide range from -50°C to 300°C, so you can check anything from frozen goods to hot food instantly — no waiting, no guessing.
Every unit comes with a calibration report traceable to national standards, so when audits come, you are ready.
No scrambling. No last-minute panic.
Built for real working environments:
-
IP66 waterproof — wash down, no problem
-
Food-grade stainless steel probe — safe, durable, accurate
-
Alarm function — know immediately when limits are exceeded
Used by hotels, hospitals, and food operators across Singapore.
Because at the end of the day, you don’t just need a thermometer —
you need proof your process is under control.
Simple to use. Easy to deploy. No training needed.
Ex-stock in Singapore. Next-day delivery possible.
Get yours today.
Or if you have a larger requirement, give us a call —
we can arrange a sample unit for your team to try first.
Technical Data
| Temperature Probe Thermometer | |
|---|---|
| Model | SI-684 |
| Measuring range | -50°C to 300°C |
| Accuracy | ±1°C at -20°C~150°C |
| Probe Material | Food safety 304SS |
| Probe length / Diameter | 113mm / 3.5mm |
| Power Consumption | 3V button battery |
| General Specs | |
| Weight | Approx. 75g |
| Dimensions | 155 x 42 x 20 mm |
