LOW PRESSURE (ALTITUDE) TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 500 Procedure I, (3) G-Shock watch models, GXW-56 were placed into a pressure test chamber and subject to the following:
Pressure: 57.2kPa (8.29PSIA) - equivalent to 4,572m (15,00ft)
Temperature: +23.5°C (74.3°F)
Duration: 1 Hour
After 1 hour the pressure chamber was brought to ambient site level pressure (14.7 PSIA) and a visual and operational inspection was executed.
Results: All (3) watches passed visual and operational inspection with no signs of damage.
HIGH TEMPERATURE TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 501 Procedure I, (3) G-Shock watch models, GXW-56 were placed into a high temperature test chamber and subject to the following:
Temperature: +65.5°C (149.9°F)
Duration: 4 Hours
After 4 hours the high temperature chamber was brought to station ambient temperature and a visual and operational inspection was executed.
Results: All (3) watches passed visual and operational inspection with no signs of damage.
LOW TEMPERATURE TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 502 Procedure I, (3) G-Shock watch models, GXW-56 were placed into a low temperature test chamber and subject to the following:
Temperature: -20°C (-4°F)
Duration: 4 Hours
After 4 hours the low temperature chamber was brought to station ambient temperature and a visual and operational inspection was executed.
Results: All (3) watches passed visual and operational inspection with no signs of damage.
BLOWING RAIN TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 506 Procedure I, (3) G-Shock watch models, GXW-56 were placed into a temperature & blowing rain exposure zone. All (4) surfaces of the watch (front, back, right and left) were subject to the following:
Watch Temperature: +10°C (50°F),
Water Temperature: +29°C (84.2°F)
Rainfall Rate: 10cm/hr (3.94in/hr)
Wind Velocity: 64.37kph (40mph)
Duration: 30 minutes
Test was repeated for all (4) surfaces of the (3) watches for 30 minutes. Upon test completion, the watches were allowed to dry and return to ambient temperature and a visual and operational inspection was executed.
Results: All (3) watches passed visual and operational inspection with no signs of damage.
RANDOM VIBRATION TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 514.6, (3) G-Shock watch models, GXW-56 were mounted on an 8" x 8" x 8" cube (CP802) with one plate 1.5" x 8" x 8" (202) attached with a mounting bar 1" x 2" x 1 5/8" (CH1) was used for control and subject to the following:
3 Separate Tests
Frequency: 20-1,000Hz
Slope:
Level: .04 g²/Hz
Tolerance: +/- 3db
Frequency: 1,000-2,000Hz
Slope: -6 db Octave
Level:
Tolerance: +/- 3db
Results: All (3) watches passed visual and operational inspection with no signs of damage.
FREEZE THAW TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 524, (3) G-Shock watch models, GXW-56 were placed into a temperature/humidity chamber and subject to the following:
Cycle # 1
Increase to Temperature: 0°C (32°F)
Duration: 3hrs, then hold steady until watch surfaces reach 0°C (32°F)
Relative Humidity: 99% (introduced when chamber temperature reached 0°C)
Increase to Temperature: 10°C (50°F)
Duration: 3hrs, then hold steady for 1hr additional (4hrs total)
Relative Humidity: 99% (introduced when chamber temperature reached 0°C)
Cycle # 1 repeated 19 times for a total of 20 cycles
Note: At ambient temperature, watches were sprayed with water to fill any pockets, simulating water collection. Test chamber was then brought to 10°C (50°F) and maintained for 1hr until the watches stabilized.
Results: All (3) watches passed visual and operational inspection with no signs of damage.
HUMIDITY TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 507 Procedure II, (3) G-Shock watch models, GXW-56 were placed into a temperature/humidity test chamber and subject to the following:
Test Cycle #1 (pre-conditioning) - Cycle Duration: 24hrs
Increase to Temperature: +60°C (140°F)
Duration: 2hrs, then hold steady for additional 6hrs (8hrs total)
Relative Humidity: 95%
Decrease to Temperature: +30°C (86°F)
Duration: 8hrs, then hold steady for an additional 8hrs (16hrs total)
Relative Humidity: 95%
Test was repeated for a total of 10 Test Cycles, each of which had 24hr duration. Upon test completion (end of 10day/240hr period), a visual and operational inspection was executed.
Results: All (3) watches passed visual and operational inspection with no signs of damage.
SOLAR RADIATION TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 505.5, (3) G-Shock watch models, GXW-56 were placed into a temperature test chamber and subject to the following:
Temperature Modulation Range: +32°C (89.6°F) to +49°C (120.2°F)
Irradiance Modulation Range: 0W/m² to 1120W/m² applied during temperature ramp and soak
Test was repeated for a total of 2 Test Cycles, each of which had 24hr duration.
Results: All (3) watches passed visual and operational inspection with no signs of damage.
IMMERSION TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 512.2, (3) G-Shock watch models, GXW-56 were placed into an immersion fixture and subject to the following:
Immersion Solution: Water
Water Temperature: +30°C (86°F)
Depth: 1m (3.28ft)
Duration: 30 min
Note: Watches were weighed & pre-conditioned in temperature and stabilized in at +10°C higher than the water temperature at the start of immersion.
Results: All (3) watches passed visual and operational inspection with no signs of water damage
SALT SPRAY - FOG TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 509.4, (3) G-Shock watch models, GXW-56 were placed into a salt fog test chamber and subject to the following:
2 Test Cycles
Cycle Duration: 24hrs
Temperature: +35°C (95°F)
Solution: 5% NaCl, 95% De-ionized water
PH Value: 7.0
Specific Gravity: 1.038
Salt Fog Fallout: 42ml
Volume of salt solution collected in ml per hour per 80 cm² 1.75
Results: All (3) watches passed visual and operational inspection with no signs of damage.
10M DROP TEST
Testing Criteria:
(3) G-Shock watch models, GX-56 (with bands opened and in normal operating mode) were individually dropped from a height of 10M (32.8ft) and subject to the following:
Drop Height: 10M (32.8ft)
Watch Orientation: Vertical (holding one band side)
Impact Surface: Red oak plywood slab (3in thick) over steel slab
Results: All watches passed visual inspection. No obvious visual damage noted.
Note: Watch # 2 missed oak impact surface and hit concrete ground
Watch # 3 missed oak impact surface and hit steel slab, then hit concrete ground.
BLOWING DUST TEST
Testing Criteria:
In accordance with MIL-STD-810G, Method 510.5 Procedure I, (3) G-Shock watch models, GXW-56 were placed into a test chamber and subject to the following:
Step 1
Chamber Temperature: 23°C +/- 2°C
Relative Humidity: < 30%
Air Velocity: 1750 +/- 175ft/min
Dust Introduction Rate: 10.6 +/-7g/m³ (0.3 +/-0.2g/ft³)
Duration: 6hrs
Step 2
Increase Chamber Temperature to: 65.5°C +/- 2°C
Relative Humidity: < 30%
Decrease Air Velocity to: 300ft/min
Dust Introduction Rate: 0g/m³
Duration: 1hr (once test chamber has stabilized)
Step 3
Chamber Temperature: 65.5°C +/- 2°C
Relative Humidity: < 30%
Increase Air Velocity to: 1750 +/- 175ft/min
Dust Introduction Rate: 10.6 +/-7g/m³ (0.3 +/-0.2g/ft³)
Duration: 6hrs
Results: All (3) watches passed visual and operational inspection with no signs of damage.
SOURCE : HERE