Ashcroft ATE-2 - Handheld Calibrator - Manual (Page 82)

80
SECTION 16 e. SYSTEM ACCURACY WITH
THERMOCOUPLE INTERFACE
TABLE I
System Accuracy (reading in temperature units): Includes the HHC base unit and XXX interface module.
(Does not include inaccuracy of the thermocouple device. Consult thermocouple manufacturer or ISA MC96.1
for thermocouple accuracy specifications. Typical inaccuracies range from ±1 to ±2.2°C.)
Max. additional error
Accuracy @ 25°C Accuracy @ 25°C due to ambient
Thermocouple Measurement Range Ambient (Not including Ambient (including temperature deviation
Type (°C) internal Reference internal Reference from 25°C. Expressed
Junction) Expressed as ±°C Junction) Expressed as ±°C as additional C error per
each C deviation from 25°C
J –210 to –151 0.7 1.1 0.02
–150 to 1200 0.3 0.4 0.01
K –240 to –201 1.5 2.2 0.05
–200 to –101 1.0 1.5 0.03
–100 to 999 0.5 0.8 0.02
T –250 to –201 1.5 2.2 0.05
–200 to –101 0.8 1.2 0.03
–100 to 400 0.5 0.8 0.02
E –250 to –201 1.2 2.0 0.04
–200 to –101 0.6 1.1 0.02
–100 to 400 0.3 0.6 0.01
R&S –50 to 299 3.4 3.6 0.10
300 to 1768 1.2 1.3 0.04
B 100 to 199 14.0 0 14.0 0 0.44
200 to 499 5.0 5.0 0.16
500 to 999 3.0 3.0 0.08
1000 to 1820 1.2 1.2 0.04
N –250 to –226 4.3 5.7 0.14
–225 to –101 2.1 2.8 0.07
–100 to 1300 1.0 1.4 0.02
Conversion Factors (to convert °C specifications to other units of measure):
To convert from °C to °F: °F = (1.8 x °C) + 32
To convert from °C to °K: °K = °C + 273.15
To convert from °C to °R: °R = (1.8 x °C) + 427.67
TABLE II
System Accuracy (based on direct millivolt reading from thermocouple – includes HHC base unit and
XXX interface module. (Does not include inaccuracy due to the thermocouple device. Reference junction
not applicable to direct millivolt readings.)
input Range of Accuracy @ 25°C Max. additional error due to ambient
temperature deviation from 25°C.
Expressed as additional millivolt error
per each °C deviation from 25°C
–10 to 100 millivolt ± 0.0125 millivolts .001
Max. additional error
due to ambient
temperature deviation
from 25°C. Expressed
as additional C error per
each C deviation from 25°C
Sandisk 8GB Class 4 SDHC card, SKU SDSDB-8192-A11 .
Other SD cards will work, provided they meet the following
requirements:
1. 4GB to 32 GB SDHC card –or- 4GB to 32GB micro SD card
with micro SD-to-SD adapter
2. Formatted to FAT32 or exFAT filesystem
3. Speed class 4 or higher
4. Write protection disabled
SECTION 16 f. APPROVED SD DATA CARDS