CALIBRATION MODES i CALIBRATION ACCURACY
Description
Designation
Documentation
0000
None
Standard Calibration
For off-the-shelf sensor
Spot Calibratiion
Good accuracy over a narrow range
Sensor will be calibrated at one
temperature in °C or °F between
0° and 70°C (32° and 158°F) Epoxy Bead
0° and 100°C (32° and 212°F) Glass Bead
Specify actual
temperature in 1°
increments along with
C or F.
Custom Calibration
Good Accuracy over a wide range
Date, sensor identification, readings
taken, and individualized R vs T
Calibration Range:
0° to 70°C (Epoxy or Glass Bead)
0° to100°C (Glass Bead)
Date, sensor indenification
readings taken and resultant
correction data.
0031
0030
table in °C and °F in 1° increments,
along with the programmable
coefficents (A, B, & C).
CALIBRATION MODES
i
CALIBRATION ACCURACY
Calibrarition Mode
Standard Calibration
For off-the-shelf sensor
0° and 70°C
At 100°C
Spot Calibration
(At spot temperature ±5°C)
0° and 70°C (32° and 158°F)
0° and 100°C (32° and 212°F)
Custom Calibration
0° and 70°C
0° and 100°C
Expoxy Bead Sensors
Models 401,402,403,405, 406, 409A
Stable Glass Beaded Sensors
Models 052SS and 083SS
±0.100°C
±0.210°C
±0.200°C
±0.300°C
±0.020°C
—
±0.020°C
±0.020°C
±0.012° to ±0.031°C
—
±0.012° to ±0.031°C
±0.012° to ±0.034°C
STABILITY
Operating Temperature
10 Months
100 Months
10 Months
100 Months
0°C
<0.01°C
<0.01°C
<0.01°C
<0.01°C
25°C
<0.01°C
0.02°C
<0.01°C
<0.01°C
HOW TO ORDER
Enter Probe Model Number
Enter Designation Number for Standard,
Spot or Custom Calibration
4- -
70°C
100°C
0.10°C
0.20°C
0.20°C
0.32°C
Termination Options
01-Stripped and Tinned Leads
05-5 pin DIN connector
<0.01°C
0.02°C
<0.01°C
0.03°C
Instrulab
1205 Lamar Street
P.O. Box 98
Dayton, Ohio 45404
(937) 223-2241
Fax (937) 223-1705
WWW.Instrulab.com
Bulletin 400-509
Instrulab 400 Series
Measurement Specialties Series 400 Thermistor
Probes offer the exclusive feature of "true
NTC Thermistor Probes
R
ature sensing elements used in these probes are
t=
characteristics. precision thermistors manufactured with
interchangeabiIity" between probes. The temper-
2252Ω @ 25°C
matching temperature/resistance
For Instrulab Models 310 and 3312A Thermometers
* Vinyl sheath epoxy bead thermistors not recommended for spot or custom calibration.
† Metal sheath epoxy bead thermistors not recommended above 70°C for spot or custom calibration. ‡
Requires 4-wire Option 24 on the Model 3312 Svstem Thermometer.
Electrlcallsolatlon
Except as noted, sensing elements and lead wires are
electrically isolated from the outer probe surfaces. To provide
maximum safety for medical and biomedical applications,
however, the probe should be used with isolated instruments.
Time Constant
Time required to indicate 63% of the difference between
two sequentially impressed temperatures. Derived from
measurements in water at 3 ft/sec, except 405, which is
measured in moving air at 3 ft/sec at 0% RH. Approximately five time constants are required for a probe to read
99% of total temperature change.
Note: Stable glass bead sensors are available in other configurations on special order, please contact factory.
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