KKmoon GM1312 Digital Thermometer Dual-channel Temperature Meter Tester for K/J/T/E/R/S/N Thermocouple with LCD Backlight
|Price:||£17.99 FREE delivery.|
- The electrical compensation function provide the compensation to the thermocouple error so as to improve the overall precision.
- To measure the thermocouple of J, K, T, E, N, S and R type.
- Double display with backlight shows T1/T2 and combination of T1 and T2.
- Unit Celsius and Fahrenheit unit.
- Human centered design, easy operation.
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1. The electrical compensation function provide the compensation to the thermocouple error so as to improve the overall precision.
2. To measure the thermocouple of J, K, T, E, N, S and R type.
3. Unit Celsius and Fahrenheit unit.
4. Human centered design, easy operation.
5. Double display with backlight shows T1/T2 and combination of T1 and T2.
Data hold and auto power off.
Max./ min./ average value measurement.
Celsius and Fahrenheit unit selectable.
Dual channel input.
J-type:-210? to 1200? (-346? to 2192? )
K-type:-200? to 1372? (-328? to 2501? )
T-type:-250? to 400? (-418? to 752? )
E-type:-150? to 1000? (-238? to 1832? )
N-type:-200? to 1300?(-328? to 2372? )
R-and S-type: 0?to 1767? (32? to 3212? )
0.1?/? <1000 degrees
1.0?/? ≥1000 degrees
Input: Bi-channel input
Operating Temperature: 0? to 40?
Storage Temperature: - 10? to 50?
Power supply: 3 * 1.5V AAA batteries (not included)
Item Size: 14 * 7 * 3cm / 5.5 * 2.7 * 1.2in
Item Weight: 125g / 4.4oz
Package Size: 18 * 10 * 4cm / 7.2 * 4.2 * 1.5in
Package Weight: 200g / 7oz
1 * Digital Thermometer
2 * Temperature Probe
1 * English Manual
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Temperature seemed a bit off in ice bath and boiling water, perhaps by 1°C or more. I can't be certain, setting up an accurate temperature measurement is a skill which I have never learned, but be aware. This seemed to be related to the probes, as I measured "better" with a couple of older probes that I had to hand. At oven temperature all probes seemed to be believable.
The device did need room temperature calibration, it overstated room temperature somewhat on arrival. The manual doesn't tell you how to do this, and nor did Google, but I discovered this:
Partially remove/disconnect a battery. Press the Power on/off button (top left) and reinsert battery while keeping the button pressed. Unit now starts up in calibration mode. Press the bottom left and right keys to adjust the temperature offset. When done, press the Hold button to confirm the new offset, and then press the Power button to turn the unit off.
Probably best not to use rechargeable NiMH batteries, as my unit will work (while warning of a low battery) down to a voltage level of about 0.65V per battery, which is not good for NiMH cells. I didn't check when the low battery indicator kicks in.