Soldering Iron Probes
The Model CR Series is a temperature probes for the tips of soldering irons. Select the probe type best-suited to the diameter of your soldering iron tip.
Type K Model CR-31K (For soldering iron tips less than φ1.5mm (slightly more than 3/64″))
Type E Model CR-31E “
Type E Model CR-31E “
| Temp. Range | Tolerance | Response time | Durability |
| 0 to 500°C | ±4.0°C * | 5.0 s | S |
* at 300°C
Type K Model CR-32K (For soldering iron tips between φ1.5mm to φ4mm 3/64″ to 5/32″))
Type E Model CR-32E “
Type E Model CR-32E “
| Temp. Range | Tolerance | Response time | Durability |
| 0 to 500°C | ±4.0°C * | 5.0 s | S |
To order a CR Series Probe, See below
 |
Diameter of the soldering iron tip (See photos above – CR31K & CR32K (in Yellow)) |
31 | Less than φ1.5mm |
| 32 | φ1.5mm to φ4mm | ||
 |
Thermocouple type Need more info? See Type K – Type E |
K | Chromel-Alumel |
| E | Chromel-Constantan |
Tolerance
■ : Thermocouple type K or E , t : Measured temperature
CR-31■ / CR-32■
| Temperature range | Tolerance |
| 100°C < t ≦ 300°C | ±4.0°C |
| 300°C < t ≦ 500°C | ±5.0°C |