Fluke 50D - Manuals - manualsarea.com

Page 2 - International Symbols; Precautions and Safety Information; Safety Information; Caution

50S & 50D Thermometer Calibration Information 2 International Symbols Table 1 identifies the international electrical symbols used in this document. Table 1. International Electrical Symbols Used in this Document N Low Battery Important information Complies with relevant CanadianStandards Associ...

Page 3 - Specifications; General; Basic Maintenance; Cleaning the Thermometer

Specifications 3 Specifications General Weight 280 g (10 oz) Dimensions(without holster) 2.8 cm × 7.5 cm × 16.6 cm (1.1 in × 3 in × 6.6 in) Battery Standard 9 V battery (NEDA 1604, 6F22, or 006P) Protection Class III as defined in IEC 348, Safety Requirements for Electronic Apparatus Environmental O...

Page 4 - Disassembly/Reassembly

50S & 50D Thermometer Calibration Information 4 Clean the thermometer case with a mild detergent and water. The pca may be washed with isopropyl alcohol or deionozed water and a soft brush. Dry the pca with cleandry air at low pressure, then bake it at 50 o C for 24 hours. Disassembly/Reassembly...

Page 5 - Changing the Battery; Warning; Replace the battery as soon as the low battery indicator (

Basic Maintenance 5 Changing the Battery W Warning • Replace the battery as soon as the low battery indicator ( N ) appears. The possibility of false readings increases when the battery is not fully charged.False readings can lead to personal injury. • To avoid electrical shock, disconnect the therm...

Page 6 - Required Test Equipment; Performance Tests; Allow the thermometer to stabilize to room temperature, 23; Display Test; Note

50S & 50D Thermometer Calibration Information 6 Required Test Equipment Table 2 lists the required test equipment needed to perform the performance test and calibration proceduresfor the 50S and 50D thermometers. If the required equipment is not available, instruments with equivalentspecificatio...

Page 7 - MAX; Wide Range Performance Test Procedure; Ice Bath Construction

Performance Tests 7 K J MAX MIN HOLD REC C F 50S Display 50D Display - + T1 T2 T1-T2 K J HOLD C F - + zf03f.eps Figure 3. Display Segments Wide Range Performance Test Procedure This test verifies the instrument specifications. If the instrument fails this test, perform the calibrationprocedure. If t...

Page 8 - Ice Bath Test

50S & 50D Thermometer Calibration Information 8 5520A Ice bath Thermocouple wire 50S or 50DThermometer + _ Copper wire zf05f.eps Figure 4. Ice Bath Equipment Connections Ice Bath Test Use the following procedure to test the thermometer. This test should be conducted on both thermocoupleinputs of...

Page 9 - Calibration; Allow the thermometer to stabilize at room temperature, 23

Calibration 9 Table 3. Performance Test Values Thermocouple Input Voltage Display Reading Type (mV DC) o C o F K -5.587 -182.0 ± (0.9) -295.6 ± (1.6) K -3.211 -89.0 ± (0.8) -128.2 ± (1.4) K 21.919 530.0 ± (1.2) 986.0 ± (2.3) K 54.297 1355.0 ± (2.1) 2471.0 ± (3.8) J -7.824 -197.0 ± (1.0) -322.6 ± (1....

Page 11 - Thermocouple Input Calibration (Optional)

Calibration 11 FLUKE 52-1601 zf09f.eps Figure 6. A1 Main PCA Adjustments Optimizing Thermometer Performance in the Negative Temperature Range Perform the following steps to optimize the thermometer performance in the negative temperature range: 1. Put the thermometer in normal operating mode. Normal...

Page 13 - Replaceable Parts

Replaceable Parts 13 Replaceable Parts Refer to Table 4 for all replacement part numbers and Figure 8 for part locations. Unless specified in the“Model Number” column, all parts are for all units. To order replaceable parts, see the “Service Centers”section of this manual. Table 4. 50S and 50D Repla...