|
Specifications |
1502A |
1504 |
|
Temperature Range |
-200°C
to 962°C (-328°F to 1764°F) |
Any thermistor range |
|
Resistance Range |
0Ω
to 400Ω, auto-ranging |
0Ω
to 1MΩ, auto-ranging |
|
Probe
|
Nominal RTPW:
10Ω to 100Ω
RTD, PRT, or SPRT |
Thermistors
|
|
Characterizations
|
ITS-90 subranges 4, 6,
7, 8, 9, 10, 11
IPTS-68:R0,
a,
d,
a4,
and c4
Callendar-Van Dusen:R0,
a,
d,
and
b |
Steinhart-Hart
thermistor polynomial
Callendar-Van Dusen:R0,
a,
d,
and
b
|
|
Resistance Accuracy
(ppm of reading) (1-year)
|
0Ω
to 20Ω: 0.0005Ω
20Ω to 400Ω: 25ppm
|
0Ω
to 5kΩ: 0.5Ω
5kΩ to 200kΩ: 100ppm
200kΩ to 1MΩ: 300ppm |
|
Temperature Accuracy |
±0.004°C at -100°C
±0.006°C at 0°C
±0.009°C at 100°C
±0.012°C at 200°C
±0.018°C at 400°C
±0.024°C at 600°C
|
±0.002°C at 0°C
±0.002°C at 25°C
±0.004°C at 50°C
±0.010°C at 75°C
±0.020°C at 100°C
(Using 10kΩ thermistor sensor,
a=0.04.
Does not include probe uncertainty or characterization
errors.) |
|
Operating Temperature
Range
Full Accuracy |
16°C
to 30°C |
13°C
to 33°C |
|
Resistance Resolution |
0Ω
to 20Ω: 0.0001Ω
20Ω to 400Ω: 0.001Ω |
0Ω
to 10kΩ: 0.01Ω
10kΩ to 100kΩ: 0.1Ω
100kΩ to 1MΩ: 1Ω |
|
Temperature Resolution |
0.001°C |
0.0001°C |
|
Excitation Current |
0.5mA and 1mA, user
selectable, 2Hz |
2µA
and 10µA, automatically selected |
|
Measurement Period |
1-second |
|
Digital Filter |
Exponential, 0 to 60 seconds time constant (user
selectable) |
|
Probe Connection |
4-wire with
shield, 5-pin DIN connector |
|
Communications |
RS-232
serial interface standard
IEEE-488 (GPIB) interface (Optional) |
|
Display |
8-digit,
7-segment, yellow-green LED; 0.5-inch-high characters |
|
Power |
115V AC (±10%),
50/60Hz, 1 Amp maximum
230V AC (±10%), 50/60Hz, 1
Amp nominal
Specify Voltage when ordering |
|
Dimensions |
61mm (H) x
143mm (W) x 181mm (D) |
|
Weight |
1.0kg |
|
Calibration |
Accredited
NIST-traceable calibration provided |
