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DH Instruments
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Secondary PRT with Calibration Options - 5608 and 5609
Features
- 5608: –200 °C to 500 °C (80 mm minimum immersion)
- 5609: –200 °C to 670 °C (100 mm minimum immersion)
- Calibration not included, NVLAP-accredited calibration
optional, lab code 200348-0
- Dry-well reference with 90 ° bend
Specifications |
| Temperature range |
5608: –200 °C to 500 °C
5609: –200 °C to 670 °C |
| Nominal resistance at 0.01 °C |
100 W ± 0.5 W |
| Temperature coefficient |
0.0039250 W/W/°C |
| Relative Accuracy[1] |
± 0.007 °C at –200 °C
± 0.008 °C at 0 °C
± 0.020 °C at 420 °C
± 0.027 °C at 660 °C |
| Short-term repeatability[2] |
± 0.007 °C at 0.010 °C
± 0.013 °C at max temp |
| Drift[3] |
± 0.01 °C at 0.010 °C
± 0.02 °C at max temp |
| Hysteresis |
± 0.01 °C maximum |
| Sensor length |
30 mm ± 5 mm (1.2 in ± 0.2 in) |
| Sensor location |
3 mm ± 1 mm from tip (0.1 in ± 0.1 in) |
| Sheath material |
Inconel™ 600 |
| Minimum insulation resistance |
5608: 500 MW at 23 °C, 20 MW at 500 °C
5609: 500 MW at 23 °C, 10 MW at 670
°C |
| Transition junction temperature range[4] |
–50 ºC to 200 °C |
| Transition junction dimensions |
71 mm x 12.5 mm (2.8 in x 0.49 in) |
Minimum immersion length[5]
(<5 mK error) |
5608: 80 mm (3.1 in)
5609: 100 mm (3.9 in) |
| Maximum immersion length |
305 mm (12 in) |
| Response time[5] |
5608: 9 seconds typical
5609: 12 seconds typical |
| Self heating (in 0 °C bath) |
5608: 75 mW/°C
5609: 50 mW/°C |
| Lead-wire cable type |
Teflon,™ 24 AWG |
| Lead-wire length |
1.8 m (6 ft) |
| Lead-wire temperature range |
–50 °C to 250 °C |
| Calibration |
Calibration not included; NVLAP-accredited calibration optional, lab code
200348-0. Please see calibration uncertainty table and its explanation
of changeable uncertainties. |
[1]Includes short-term repeatability and 100 hr drift. Calibration will
add additional uncertainties.
[2]Three thermal cycles from min to max temp, includes hysteresis, 95 %
confidence (k=2)
[3]After 100 hours at max temp, 95 % confidence (k=2)
[4]Temperatures outside this range will cause irreparable damage. For best
performance, transition junction should not be too hot to touch.
[5]Per ASTM E 644 |
| Calibration Uncertainty for optional NVLAP-accredited† calibration |
Temperature
|
Expanded
Uncertainty (k=2) |
–200 °C |
0.025 °C |
–100 °C |
0.025 °C |
–40 °C |
0.025 °C |
| 0 °C |
0.025 °C |
| 156 °C |
0.025 °C |
| 230 °C |
0.030 °C |
| 420 °C |
0.045 °C |
| 660 °C |
0.050 °C |
| Note: Calibration uncertainties depend on the uncertainties of the lab
performing the calibration. Subsequent calibrations of this probe performed
with different processes, at different facilities, or with changed uncertainty
statements may state different uncertainties. †Lab code 200348-0 |
|
If you want a very stable thermometer from –200 °C to 670 °C and are particular
about the calibration, then look no further than our 5609 Secondary Reference
PRT. Its short-term stability at the triple point of water is only ± 7 mK
and its one-quarter inch (6.23mm) diameter lets you get accurate measurements
in only 100 mm of immersion. The 5608 is also a ± 7 mK probe at the triple
point of water, but its one-eighth inch (3.18 mm) diameter gets you accurate
measurements from –200 °C to 500 °C with only 80mm (3.1 in) of immersion.
With multiple sheath length options on both of these probes, you can find
the dimensions that are just right for your specific application.
The 5608 comes with a one-eighth inch (3.18 mm) diameter sheath in lengths
of 9 inches or 12 inches. The 5609 comes with a one-quarter inch (6.35 mm)
diameter sheath in lengths of 12 inches, 15 inches, and 20 inches; or with
a 6 mm diameter in lengths of 300 mm, 400 mm, or 500 mm.
When looking for improved response time and reduced stem effect in shallow
immersion, look for small diameter probes, because the measurement error
called stem effect is caused by the diameter of the stem rather than the
length of the stem.
Both of these probes have Inconel™ sheaths and are made using a special
manufacturing process, giving them great precision over a wide temperature
range. The sensors for these probes are reference-grade platinum and feature
four-wire connections with less noisy measurements than two-wire counterparts.
These probes come with a certificate of compliance to ensure the
meet their specifications. If you’d like, you can also order a NVLAP-accredited
calibration from our laboratory, lab code 200348-0. On the report of
calibration, you’ll get the test data and the ITS90 calibration coefficients
that you can easily input into any Hart thermometer. If you order your probe
with an INFO-CON connector, we’ll program the coefficients directly into your
connector, which loads the coefficients for you when you plug it into our 1522
Handheld Thermometer.
Call today for your free quote.
Ordering Information |
| 5608-9-X |
Secondary Reference PRT, 9 in x 1/8 in, –200 to 500 °C |
| 5608-12-X |
Secondary Reference PRT, 12 in x 1/8 in, –200 to 500 °C |
| 5609-12-X |
Secondary Reference PRT, 12 in x 1/4 in, –200 to 670 °C |
| 5609-15-X |
Secondary Reference PRT, 15 in x 1/4 in, –200 to 670 °C |
| 5609-20-X |
Secondary Reference PRT, 20 in x 1/4 in, –200 to 670 °C |
| 5609-300-X |
Secondary Reference PRT, 300 mm x 6 mm, –200 to 670 °C |
| 5609-400-X |
Secondary Reference PRT, 400 mm x 6 mm, –200 to 670 °C |
| 5609-500-X |
Secondary Reference PRT, 500 mm x 6 mm, –200 to 670 °C |
| 5609-9BND |
Secondary Reference PRT, 15 in x 1/4 in, 9 in bend,
–200 °C to 670 °C, (optional calibration: 1924-4-7 only) |
| 1922-4-R |
PRT Calibration, –200 °C to 500 °C, NVLAP Accredited |
| 1923-4-7 |
PRT Calibration, –200 °C to 660 °C, NVLAP Accredited |
| 1924-4-7 |
PRT Calibration, –200 °C to 660 °C, NVLAP Accredited |
| 1930 |
Precision Digital Thermometer System Calibration by Comparison, NVLAP-accredited, lab code 200348-0 |
| 2601 |
Plastic PRT Case, for models ending -9, -12, and -300 |
| 2609 |
Plastic PRT Case, for models ending -15, -20, -400, and -500 |
| X = termination.
Specify “A” (INFO-CON for 914X), “B” (bare
wire), “D” (5-pin DIN for Tweener Thermometers),
“G” (gold pins), “I” (INFO-CON for 1521 or
1522), “J” (banana plugs), “L” (mini spade
lugs), “M” (mini banana plugs), “P” (INFO-CON
for 1523 or 1524), or “S” (spade lugs). |
Downloads
Right click the appropriate link below and “Save Target As ...” to download this data sheet
or User's Guide in Acrobat (.pdf) format .
5608-09 Data Sheet
5608-09 User's Guide
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Phone: 801-763-1600
