| Specifications |
| Function |
Description |
| Thermocouple Specifications |
| Source |
Output Range |
-13.000 to +80.000 mV |
| Output Noise |
±5 µV pp from 0.1 Hz to 10 Hz |
| Output Impedance |
0.2Ω (200 nV/uA) |
| Source Current |
< 8mA |
| Read |
Output Noise |
< ±1 LSD from 0.1 Hz to 10 Hz |
| Output Impedance |
> 1MΩ |
| Open T/C Test Pulse |
< 1 uA for 300 ms |
| Open T/C Response Time |
< 3 seconds |
| Open T/C Threshold |
10 kΩ nominal |
| Output Dial Adjustment Resolution |
0.1°C or °F for Model 521/1°C or °F
for Model 52 |
General Specifications:
(Unless otherwise indicated all
specifications are rated from a nominal 23 °C, 70 % RH for 1
year from calibration) |
| Accuracy |
Millivolt Accuracy |
±(0.008 % of mV Setting + 0.006 mV) |
| Temperature Coefficient of mV Source |
50 ppm/°C of output range |
| Cold Junction Calibration Accuracy |
±0.1 °C (0.2 °F) |
| Cold Junction Sensor Temperature Coefficient |
±0.025 °/° in ambient temperature (°C or °F) |
| General Temperature Accuracy |
±(0.008 % of mV setting + 0.006 mV) ± 0.1 °C
(0.2 °F) |
| Resolution |
0.1 °C or 0.1 °F |
| Temperature Range |
-25 to 60 °C (-10 to 140 °F) |
| Relative Humidity
Range |
10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing |
| 10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing |
| Size |
4.9 X 3.15 X 1.82 inches (125.5 X 80 X 46.2
mm) |
| Weight (with battery) |
7.2 oz (204 grams) |
| Battery |
9V Alkaline provides 45 hours of continuous
use |
| Miscellaneous |
Low battery indication with nominal 1 hour of
operation left |
| Overload Protected to 60V for 30 seconds or
less |
| High contrast graphic liquid crystal display
with 0.357" (9.07 mm) high digits |
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