The ST2 is similar to ST1, except that it is fitted with a higher specified thermistor sensor whose accuracy over a temperature range of 0 to 70°C (+/- 0.1°C)
Thermistor – contained in a stainless steel sheath of 4.8mm nominal outside diameter, 125mm long, which is, in turn, connected to a two core cable, 5m long.
Thermistor type – 2000 Ohms at 25 °C
|
Type
|
Probe Type
|
Probe accuracy (°C)
|
Probe range (°C)
|
Cable type
|
Number of cores
|
Cable range (°C)
|
Logger accuracy
|
|
DL2e (a)
(°C)
|
DL6(b)
(°C)
|
GP1(c)
(°C)
|
GP2(d)
(°C)
|
|
ST1‐05
|
2 k
|
±0.2
|
‐50 to 150
|
PVC
|
2
|
‐10 to +105
|
±0.14
|
±0.4
|
±0.4
|
±0.09
|
|
ST2‐05
|
2 k
|
±0.1(f)
|
‐50 to 150
|
PVC
|
2
|
‐10 to +105
|
±0.14
|
±0.4
|
±0.4
|
±0.09
|
|
ST3‐05
|
2 k
|
±0.2
|
‐20 to
+80
|
Poly‐ ethelene
|
2
|
‐20 to +80
|
±0.14
|
±0.4
|
±0.4
|
±0.09
|
|
ST4‐05
|
10 k
|
±0.2
|
‐10 to
+40
|
PVC
|
2(e)
|
‐10 to +40
|
Not available
|
Not available
|
±0.14
|
±0.08
|
|
STK1‐05
|
k
|
±1.5
|
‐50 to 250
|
PTFE
|
2
|
‐50 to +250
|
±1.0
|
Not available
|
Not available
|
±1.0
|
|
GT1‐05
|
2 k
|
±0.2
|
‐50 to 150
|
PVC
|
2
|
‐10 to +105
|
±0.14
|
±0.4
|
±0.4
|
±0.09
|
|
MT2‐05
|
2 k
|
±0.1(f)
|
‐50 to 150
|
Vy/TEFL(g)
|
4
|
Not available
|
±0.14
|
±0.4
|
±0.4
|
±0.09
|
|
MT3‐05
|
2 k
|
±0.1(f)
|
‐50 to 150
|
Nylon ‐ PVC
|
2
|
‐10 to +105
|
±0.14
|
±0.4
|
±0.4
|
±0.09
|
|
AT2‐05
|
2 k
|
±0.1(f)
|
‐50 to 150
|
PVC
|
2
|
‐10 to +105
|
±0.14
|
±0.4
|
±0.4
|
±0.09
|
NOTES:
a: Additional (worst case) error due to DL2e at +15 to +25 °C. b: Additional (worst case) error due to DL6 at ‐10 to +50 °C. c: Additional (typical) error due to GP1 at 0 to +60 °C.
d: Additional (worst case) error due to GP2 at ‐20 to +60 °C.
see also page 14 of the Temperature Sensors User Manual v2.
e: Co‐axial single‐core with screen acting as signal loop.
f: Over 0‐70°C.
g: Teflon lead, vinyl tip.
Hoskin Environnement
Hoskin Géotechnique
Hoskin Instrumentation
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