Specifications | 1502A | 1504 |
Temperature Range?/sup> | −200 癈 to 962 癈 (−328 癋 to 1764 癋) | Any thermistor range |
Resistance Range | 0W to 400W, auto-ranging | 0W to 1 MW, auto-ranging |
Probe | Nominal RTPW: 10W to 100W RTD, PRT, or SPRT | Thermistors |
Characterizations | ITS-90 subranges 4, 6, 7, 8, 9, 10, and 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) | 0W to 20W: 0.0005W 20W to 400W: 25 ppm | 0W to 5 KW: 0.5W 5 KW to 200 KW: 100 ppm 200 KW to 1 MW: 300 ppm |
Temperature Accuracy?/sup> | ?.004 癈 at −100 癈 ?.006 癈 at 0 癈 ?.009 癈 at 100 癈 ?.012 癈 at 200 癈 ?.018 癈 at 400 癈 ?.024 癈 at 600 癈 | ?.002 癈 at 0 癈 ?.002 癈 at 25 癈 ?.004 癈 at 50 癈 ?.010 癈 at 75 癈 ?.020 癈 at 100 癈 (Using 10 KW thermistor sensor, a=0.04. Does not include probe uncertainty or characterization errors.) |
Operating Temperature Range | 16 癈 to 30 癈 | 13 癈 to 33 癈 |
Resistance Resolution | 0W to 20W: 0.0001W 20W to 400W: 0.001W | 0W to 10 KW: 0.01W 10 KW to 100 KW: 0.1W 100 KW to 1 MW: 1W |
Temperature Resolution | 0.001 癈 | 0.0001 癈 |
Excitation Current | 0.5 and 1 mA, user selectable, 2 Hz | 2 and 10 mA, 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 standard IEEE-488 (GPIB) optional |
Display | 8-digit, 7-segment, yellow-green LED; 0.5-inch-high characters |
Power | 115 VAC (?0 %), 50/60 Hz, 1 A, nominal 230 VAC (?0 %), 50/60 Hz, 1 A, nominal, specify |
Size (HxWxD) | 61 x 143 x 181mm (2.4 x 5.6 x 7.1 in) |
Weight | 1.0 kg (2.2 lb.) |
Probes from Hart | 5615, 5627, 5626, 5628, 5622 | 5640-44, 5610-65 |
Calibration | ISO 17025-accredited calibration provided |
?/sup>Temperature ranges and accuracy may be limited by the sensor you use. |