Humidity contents · MIL-STD-810H

6 tables appear under this heading.

1. PDF page 207

1.	SCOPE	1
1.1	PURPOSE	1
1.2	APPLICATION	1
1.3	LIMITATIONS	1
2.	TAILORING GUIDANCE	1
2.1	SELECTING THE HUMIDITY METHOD	1
2.1.1	EFFECTS OF WARM, HUMID ENVIRONMENTS	2
2.1.2	SEQUENCE AMONG OTHER METHODS	2
2.2	SELECTING PROCEDURES	2
2.2.1	PROCEDURE SELECTION CONSIDERATIONS	3
2.2.2	DIFFERENCE BETWEEN PROCEDURES	3
2.3	DETERMINE TEST LEVELS, CONDITIONS, AND DURATIONS	3
2.3.1	TEST TEMPERATURE - HUMIDITY	3
2.3.2	TEST DURATION	5
2.3.3	TEST ITEM CONFIGURATION	7
2.3.4	ADDITIONAL GUIDELINES	7
2.4	OPERATIONAL CHECKOUT	7
2.4.1	PROCEDURE I (INDUCED CYCLES B1, B2, OR B3, FOLLOWED BY NATURAL CYCLES B1, B2, OR B3)	7
2.4.2	PROCEDURE II - AGGRAVATED	7
2.5	TEST VARIATIONS	7
2.6	PHILOSOPHY OF TESTING	7
2.6.1	PROCEDURE I - INDUCED (STORAGE AND TRANSIT) CYCLES	8
2.6.2	PROCEDURE I - NATURAL CYCLES	10
2.6.3	PROCEDURE II - AGGRAVATED CYCLE (FIGURE 507.6-7)	13
3.	INFORMATION REQUIRED	14
3.1	PRETEST	14
3.2	DURING TEST	15
3.3	POST-TEST	15
4.	TEST PROCESS	15
4.1	TEST FACILITY	15
4.1.1	GENERAL DESCRIPTION	15
4.1.2	FACILITY DESIGN	15
4.1.3	TEST SENSORS AND MEASUREMENTS	15
4.1.4	AIR VELOCITY	16
4.1.5	HUMIDITY GENERATION	16
4.1.6	CONTAMINATION PREVENTION	16
4.2	CONTROLS	16
4.3	TEST INTERRUPTION	16
4.3.1	INTERRUPTION DUE TO CHAMBER MALFUNCTION	16
4.3.2	INTERRUPTION DUE TO TEST ITEM OPERATION FAILURE	17
4.4	TEST EXECUTION	17
4.4.1	PREPARATION FOR TEST	17
4.4.1.1	TEST SETUP	17
4.4.1.2	PRELIMINARY STEPS	17

Paragraph		Page
4.4.1.3	PRETEST CHECKOUT	17
4.4.2	TEST PROCEDURES	17

4.4.1.3	PRETEST CHECKOUT	17
4.4.2	TEST PROCEDURES..	17
4.4.2.1	PROCEDURE I - STORAGE AND TRANSIT CYCLES (CYCLES B2 OR B3), AND NATURAL (CYCLES B1, B2, OR B3..	17
4.4.2.2	PROCEDURE II - AGGRAVATED	18
5.	ANALYSIS OF RESULTS.	19
6.	REFERENCE/RELATED DOCUMENTS	19
6.1	REFERENCED DOCUMENTS	19
6.2	RELATED DOCUMENTS	19

TABLE 507.6-I	HIGH HUMIDITY DIURNAL CATEGORIES	5
TABLE 507.6-II	TEST CYCLES (DAYS)	7
TABLE 507.6-III	CONSTANT TEMPERATURE AND HUMIDITY - INDUCED CYCLE B1	8
TABLE 507.6-IV	CYCLIC HIGH RELATIVE HUMIDITY - INDUCED CYCLE B2	9
TABLE 507.6-V	HOT HUMID - INDUCED CYCLE B3	10
TABLE 507.6-VI	CONSTANT TEMPERATURE AND HUMIDITY - NATURAL CYCLE B1	11
TABLE 507.6-VII	CYCLIC HIGH RELATIVE HUMIDITY - NATURAL CYCLE B2	12
TABLE 507.6-VIII	HOT HUMID - NATURAL CYCLE B3	13
TABLE 507.6-IX	AGGRAVATED CYCLE	14

FIGURE 507.6-1	INDUCED CYCLE B1 - STORAGE AND TRANSIT	8
FIGURE 507.6-2	INDUCED CYCLE B2 - STORAGE AND TRANSIT	9
FIGURE 507.6-3	INDUCED CYCLE B3 - STORAGE AND TRANSIT	10
FIGURE 507.6-4	NATURAL CYCLE B1 - CONSTANT HIGH HUMIDITY	11
FIGURE 507.6-5	NATURAL CYCLE B2 - CYCLIC HIGH HUMIDITY	12
FIGURE 507.6-6	NATURAL CYCLE B3 - HOT HUMID	13
FIGURE 507.6-7	AGGRAVATED TEMPERATURE - HUMIDITY CYCLE	14

1. PDF page 207

1.	SCOPE	1
1.1	PURPOSE	1
1.2	APPLICATION	1
1.3	LIMITATIONS	1
2.	TAILORING GUIDANCE	1
2.1	SELECTING THE HUMIDITY METHOD	1
2.1.1	EFFECTS OF WARM, HUMID ENVIRONMENTS	2
2.1.2	SEQUENCE AMONG OTHER METHODS	2
2.2	SELECTING PROCEDURES	2
2.2.1	PROCEDURE SELECTION CONSIDERATIONS	3
2.2.2	DIFFERENCE BETWEEN PROCEDURES	3
2.3	DETERMINE TEST LEVELS, CONDITIONS, AND DURATIONS	3
2.3.1	TEST TEMPERATURE - HUMIDITY	3
2.3.2	TEST DURATION	5
2.3.3	TEST ITEM CONFIGURATION	7
2.3.4	ADDITIONAL GUIDELINES	7
2.4	OPERATIONAL CHECKOUT	7
2.4.1	PROCEDURE I (INDUCED CYCLES B1, B2, OR B3, FOLLOWED BY NATURAL CYCLES B1, B2, OR B3)	7
2.4.2	PROCEDURE II - AGGRAVATED	7
2.5	TEST VARIATIONS	7
2.6	PHILOSOPHY OF TESTING	7
2.6.1	PROCEDURE I - INDUCED (STORAGE AND TRANSIT) CYCLES	8
2.6.2	PROCEDURE I - NATURAL CYCLES	10
2.6.3	PROCEDURE II - AGGRAVATED CYCLE (FIGURE 507.6-7)	13
3.	INFORMATION REQUIRED	14
3.1	PRETEST	14
3.2	DURING TEST	15
3.3	POST-TEST	15
4.	TEST PROCESS	15
4.1	TEST FACILITY	15
4.1.1	GENERAL DESCRIPTION	15
4.1.2	FACILITY DESIGN	15
4.1.3	TEST SENSORS AND MEASUREMENTS	15
4.1.4	AIR VELOCITY	16
4.1.5	HUMIDITY GENERATION	16
4.1.6	CONTAMINATION PREVENTION	16
4.2	CONTROLS	16
4.3	TEST INTERRUPTION	16
4.3.1	INTERRUPTION DUE TO CHAMBER MALFUNCTION	16
4.3.2	INTERRUPTION DUE TO TEST ITEM OPERATION FAILURE	17
4.4	TEST EXECUTION	17
4.4.1	PREPARATION FOR TEST	17
4.4.1.1	TEST SETUP	17
4.4.1.2	PRELIMINARY STEPS	17

Paragraph

Page

4.4.1.3

PRETEST CHECKOUT

4.4.2

TEST PROCEDURES

4. PDF page 208

TABLE 507.6-I	HIGH HUMIDITY DIURNAL CATEGORIES	5
TABLE 507.6-II	TEST CYCLES (DAYS)	7
TABLE 507.6-III	CONSTANT TEMPERATURE AND HUMIDITY - INDUCED CYCLE B1	8
TABLE 507.6-IV	CYCLIC HIGH RELATIVE HUMIDITY - INDUCED CYCLE B2	9
TABLE 507.6-V	HOT HUMID - INDUCED CYCLE B3	10
TABLE 507.6-VI	CONSTANT TEMPERATURE AND HUMIDITY - NATURAL CYCLE B1	11
TABLE 507.6-VII	CYCLIC HIGH RELATIVE HUMIDITY - NATURAL CYCLE B2	12
TABLE 507.6-VIII	HOT HUMID - NATURAL CYCLE B3	13
TABLE 507.6-IX	AGGRAVATED CYCLE	14

5. PDF page 208

FIGURE 507.6-1	INDUCED CYCLE B1 - STORAGE AND TRANSIT	8
FIGURE 507.6-2	INDUCED CYCLE B2 - STORAGE AND TRANSIT	9
FIGURE 507.6-3	INDUCED CYCLE B3 - STORAGE AND TRANSIT	10
FIGURE 507.6-4	NATURAL CYCLE B1 - CONSTANT HIGH HUMIDITY	11
FIGURE 507.6-5	NATURAL CYCLE B2 - CYCLIC HIGH HUMIDITY	12
FIGURE 507.6-6	NATURAL CYCLE B3 - HOT HUMID	13
FIGURE 507.6-7	AGGRAVATED TEMPERATURE - HUMIDITY CYCLE	14