TEMPERATURE CALIBRATORS |
PTC-9002
Precision Temperature Calibrator with Simultaneous mA Input Capability |
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| COMMON
FEATURES |
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High Accuracy on 4 T/C and 3 RTD Ranges
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Direct Keyboard Entry of Data |
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63 Point Calibration Memory |
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Simultaneous Display of Temperature
Output and 4-20 mA Input |
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Built-in 24 Volt Loop Power Supply |
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The Martel PTC-9002 is a full func-tion
thermocouple/RTD calibrator com-bined with the ability to simultaneously read and display
a 4 to 20 mA current loop. These features make it ideal for calibrating all types of
temperature measuring devices and transmitters.
Housed in a rugged hand-held case, the PTC-9002 features 0.5°C accuracy on the most
commonly used T/C and RTD ranges. Up to nine (9) setpoints can be stored in non-volatile
memory for each of the seven ranges. An auto-step function allows the user to
automatically step through each of the stored setpoints for a particular range at a
predetermined interval.
Resolution is .1°C/.1°F on all tem-perature ranges and .001mA on the mil-liamp range. An
internal 24 volt loop power supply allows the user to power a two-wire transmitter and
read the out-put current. No external loop power is required.
Each Unit Includes: Test leads, carrying case, 4 alkaline AA batteries, instruction
manual, and NIST Certificate. |
| General Specifications: |
| Input/Output Ranges: |
T/C: J, K, T, E
RTD: Pt 392, Pt 385, Ni 120
mA: 0 to 24.000 |
| Accuracy: |
±.5°C ±1 LSD; .05% of
F.S. for mA |
| Cold Junction
Accuracy: |
±.2°C |
| Input z (T/C Read): |
1M typical |
| Output Current (T/C
Source): |
±10 mA |
| Excitation Current
(RTD Read): |
2.0 mA typical |
| Excitation Current
Input (RTD Source): |
0.2 to 3 mA |
| Stability: |
±0.005%/°C of FS reading
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| Oper.
Temp: |
32 to 122°F / 0 to 50°C |
| Display: |
32 Character, 2 x 16
format dot matrix |
| Power
Supply: |
4 AA Alkaline Cells
or 4 AA Ni-Cd Cells Optional AC Adaptor, Ni-Cd Charger Available |
| Size: |
7" x 3.8" x
1.6" HWD |
| Weight: |
15 oz. |
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| Range |
Min. |
Max. |
Accuracy |
| Pt392: |
-200.0
-100.0 |
-100.0
850.0 |
1.0°C
0.7°C |
| Pt385: |
-200.0
-100.0 |
-100.0
850.0 |
1.0°C
0.7°C |
| Ni120: |
-80.0 |
320.0 |
1.0°C
0.7°C |
| J Thermocouple: |
-150.0
-100.0 |
-100.0
1200.0 |
1.0°C
0.7°C |
| K Thermocouple: |
-200.0
-100.0 |
-100.0
1300.0 |
1.0°C
0.7°C |
| T Thermocouple: |
-200.0
-100.0 |
-100.0
400.0 |
1.0°C
0.7°C |
| E Thermocouple: |
-150.0
-100.0 |
-100.0
950.0 |
1.0°C
0.7°C |
| mA: |
0.000 |
24.000 |
1.0°C
0.7°C |
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