5
1.
INTRODUCTION
The Simpson 385-3L V2 Temperature Tester, (hereafter referred to as the 385-
3L or the Instrument) measures temperatures from -50
o
F to +70
o
F (-45
o
C to
+21
o
C). This Instrument is supplied with one 15 foot general purpose ther-
mistor lead and will accommodate two additional leads so that readings at
three different locations can be taken in quick succession. Accuracy is within
⫾
2
o
F or C for any scale reading. Near the center of the scale, accuracy is
within
⫾
1°.
1.1
Items And Accessories
All items and accessories required for the operation of the 385-3L are fur-
nished with each Instrument and listed in Table 1-2.
1.2
Safety Considerations
This Operator’s Manual contains cautions and warnings alerting the user to
hazardous operating and servicing conditions. This information is flagged by
CAUTION or WARNING symbols throughout this publication and is defined
on the inside front cover of this manual under SAFETY SYMBOLS. Adhere to
these instructions in order to ensure the safety of operating and servicing
personnel and to retain the operating conditions of the Instrument.
1.3
Technical Data
Table 1-1 lists the technical data for the Model 385-3L.
Table 1-1. Technical Data
Range:
-50
o
F to +70
o
F
-45
o
C to +21
o
C
Accuracy:
⫾
1
o
F/C @ Center Scale
⫾
2
o
F/C @ Either End
Table 1-2. Items and Accessories Furnished with this Instrument
Description
Part No.
Operator’s Manual
6-114985
15 Foot Lead and Thermistor
00010
385-3L V2 Temperature Tester
D-12420
Table 1-3. Additional Accessories
Description
Part No.
Surface Temperature Probe
00790
Free Air Temperature Probe
00789
30 Foot Lead and Thermistor
00216
50 Foot Lead and Thermistor
00415
100 Foot Lead and Thermistor
00416
150 Foot Lead and Thermistor
00417
Ever-Redy Leather Carrying Case 08073