EN ISO11997-1循环腐蚀试验标准（盐雾、干燥、潮湿）
cycle a
c.1 salt fog test solution
prepare the spray solution as described in clause 5 by dissolving sodium chloride in water to give a concentration of (50±10)g/l .the ph of the solution shall be in the range 6 to 7.
c.2 cycle
set up the cabinet to perform the following cycle.
step
time h
temp℃
condition
notes
1
2
35±2
salt spray
2
4
60±2
dry：20-30%
3
2
50±2
wet：95%rh or over
4
go back to step 1
this makes a total cycle time of 8h from step1 to step3
transtition time（ie time allowed to reach the temperature and relative humidity specified for a condition after changing to that condition）：
from salt spray to dry：within 30min
from dry to wet：within 150 min
from wet to salt spray：within 30min
the effect of the salt spray will，in principle，be instaneous。
for details of drying-air flow，see 6.4
note set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.the set point is the target condition for the sensor when used at the operational control point as programmed by the user.operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.at the operational control point , the user programmes that exat number . the operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.
c3 salt fog depsiton rate
the salt fog deposition rate shall be 1ml/h to 2ml/h,when the salt fog iscollected over a 24h period (see clause 10)
c 4 duration
unless otherwise agreed，repeat the test cycle for 30 cycles(240h),60cycles(240h),90cycles(720h) or 180cycles(1440h)
cycle b
c.1 salt fog test solution
prepare the spray solution as described in clause 5 by dissolving sodium chloride in water to give a concentration of (50±10)g/l .the ph of the solution shall be in the range 6 to 7.
c.2 cycle
set up the cabinet to perform the following cycle.
step
time
temp
condition
notes
1
24
35±2
salt fog
2
8
40±2
100%rh
water condensing on test panels
3
16
23±2
（50±20）%rh
4
8
40±2
100%rh
water condensing on test panels
5
16
23±2
（50±20）%rh
6
8
40±2
100%rh
water condensing on test panels
7
16
23±2
（50±20）%rh
8
8
40±2
100%rh
water condensing on test panels
9
16
23±2
（50±20）%rh
10
48
23±2
（50±20）%rh
11
go back to step 1
this makes the total cycle time 7 days from step1 to step10.
note set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.the set point is the target condition for the sensor when used at the operational control point as programmed by the user.operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.at the operational control point , the user programmes that exat number . the operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.
c3 salt fog depsiton rate
the salt fog deposition rate shall be 1ml/h to 2ml/h,when the salt fog iscollected over a 24h period (see clause 10)
c 4 duration
unless otherwise agreed，repeat the test cycle for 840 h
cycle c
c.1 salt fog test solution
prepare the spray solution as described in clause 5 by dissolving sodium chloride in water to give a concentration of (0.31±0.01)g/l and (4.1±0.01)g/l respectively .the ph of the solution shall be in the range 6 to 7.
c.2 cycle
set up the cabinet to perform the following cycle.
step
time
min
temp
℃
condition
notes
1
210
30±2
salt fog
2
210
40±2
dry
drying-air purge(see 6.4)
3
1470
40±2
（75±15）%rh
one method of achieving this conditon is to alternate the dry and humid cycles for suitable(short)time periods to keep the rh between the limits specified
4
102
30±2
dry
drying-air purge(see 6.4)
5
210
30±2
salt fog
6
378
30±2
90% to 100%rh
water condensing on test panel
7
180
35±2
dry
drying-air purge(see 6.4)
8
120
25±2
dry
9
go back to step 1
this makes the total cycle time 48h from step1 to step8.
note set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.the set point is the target condition for the sensor when used at the operational control point as programmed by the user.operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.at the operational control point , the user programmes that exat number . the operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.
c3 salt fog depsiton rate
the salt fog deposition rate shall be 2ml/h to 4ml/h,when the salt fog iscollected over a 24h period (see clause 10)
c 4 duration
unless otherwise agreed，repeat the test cycle for1000h
cycle d
c.1 salt fog test solution
prepare the spray solution as described in clause 5 by dissolving sodium chloride in water to give a concentration of (50±10)g/l .the ph of the solution shall be in the range 6 to 7.
c.2 cycle
set up the cabinet to perform the following cycle.
step
time h
temp℃
condition
notes
1
0.5
30±2
salt spray
2
1.5
30±2
wet：（95±3）%rh
3
2
50±2
hot dry
4
2
30±2
warm dry
5
go back to step 1
this makes a total cycle time of 6h from step1 to step4
transtition time（ie time allowed to reach the temperature and relative humidity specified for a condition after changing to that condition）：
from salt spray to wet：within 10min
from wet to hot dry：within 15 min
from hot dry to salt warm dry：within 30min
from salt warm dry to salt spray：instaneous
note set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.the set point is the target condition for the sensor when used at the operational control point as programmed by the user.operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.at the operational control point , the user programmes that exat number . the operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.
c3 salt fog depsiton rate
the salt fog deposition rate shall be 1ml/h to 2ml/h,when the salt fog iscollected over a 24h period (see clause 10)
c 4 duration
unless otherwise agreed，repeat the test cycle for 28 cycles(168h)
气泡清洗机设计的初衷及工作原理
中国十大航空公司有哪些（中国2023航空公司TOP 10）
双螺杆85机EVA平双拉条机
马士基的子公司计划在加拿大建立新的配送中心
美国到中东海运（美国到中东距离）
EN ISO11997-1循环腐蚀试验标准（盐雾、干燥、潮湿）
秸秆饲料快速水分检测仪种类和技术参数
200X减压阀郑州减压阀安装说明
全自动滚动真空包装机的真空室大小要求
林州实验室污水处理设备报价
西班牙波控SMP160低频电磁辐射分析仪（送货上门）
絮凝剂PAM在城市生活污泥脱水中的运用
超高清视频产业发展火热 5G提供有力支撑
简单介绍BC2540D三通道直流电阻测试仪的功能特点
德国IFM温度传感器常见几种故障及相应解决方法
计算机电缆-电子计算机电缆-价格
CJK-1Z型防爆磁性接近开关耐温技术参数
深芬仪器推出农药残留检测一体机可打印食用农产品合格证
加工中心排屑机 自动链板排屑机废料集屑车
小型潜水曝气机使用的注意事项
c.1 salt fog test solution
prepare the spray solution as described in clause 5 by dissolving sodium chloride in water to give a concentration of (50±10)g/l .the ph of the solution shall be in the range 6 to 7.
c.2 cycle
set up the cabinet to perform the following cycle.
step
time h
temp℃
condition
notes
1
2
35±2
salt spray
2
4
60±2
dry：20-30%
3
2
50±2
wet：95%rh or over
4
go back to step 1
this makes a total cycle time of 8h from step1 to step3
transtition time（ie time allowed to reach the temperature and relative humidity specified for a condition after changing to that condition）：
from salt spray to dry：within 30min
from dry to wet：within 150 min
from wet to salt spray：within 30min
the effect of the salt spray will，in principle，be instaneous。
for details of drying-air flow，see 6.4
note set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.the set point is the target condition for the sensor when used at the operational control point as programmed by the user.operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.at the operational control point , the user programmes that exat number . the operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.
c3 salt fog depsiton rate
the salt fog deposition rate shall be 1ml/h to 2ml/h,when the salt fog iscollected over a 24h period (see clause 10)
c 4 duration
unless otherwise agreed，repeat the test cycle for 30 cycles(240h),60cycles(240h),90cycles(720h) or 180cycles(1440h)
cycle b
c.1 salt fog test solution
prepare the spray solution as described in clause 5 by dissolving sodium chloride in water to give a concentration of (50±10)g/l .the ph of the solution shall be in the range 6 to 7.
c.2 cycle
set up the cabinet to perform the following cycle.
step
time
temp
condition
notes
1
24
35±2
salt fog
2
8
40±2
100%rh
water condensing on test panels
3
16
23±2
（50±20）%rh
4
8
40±2
100%rh
water condensing on test panels
5
16
23±2
（50±20）%rh
6
8
40±2
100%rh
water condensing on test panels
7
16
23±2
（50±20）%rh
8
8
40±2
100%rh
water condensing on test panels
9
16
23±2
（50±20）%rh
10
48
23±2
（50±20）%rh
11
go back to step 1
this makes the total cycle time 7 days from step1 to step10.
note set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.the set point is the target condition for the sensor when used at the operational control point as programmed by the user.operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.at the operational control point , the user programmes that exat number . the operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.
c3 salt fog depsiton rate
the salt fog deposition rate shall be 1ml/h to 2ml/h,when the salt fog iscollected over a 24h period (see clause 10)
c 4 duration
unless otherwise agreed，repeat the test cycle for 840 h
cycle c
c.1 salt fog test solution
prepare the spray solution as described in clause 5 by dissolving sodium chloride in water to give a concentration of (0.31±0.01)g/l and (4.1±0.01)g/l respectively .the ph of the solution shall be in the range 6 to 7.
c.2 cycle
set up the cabinet to perform the following cycle.
step
time
min
temp
℃
condition
notes
1
210
30±2
salt fog
2
210
40±2
dry
drying-air purge(see 6.4)
3
1470
40±2
（75±15）%rh
one method of achieving this conditon is to alternate the dry and humid cycles for suitable(short)time periods to keep the rh between the limits specified
4
102
30±2
dry
drying-air purge(see 6.4)
5
210
30±2
salt fog
6
378
30±2
90% to 100%rh
water condensing on test panel
7
180
35±2
dry
drying-air purge(see 6.4)
8
120
25±2
dry
9
go back to step 1
this makes the total cycle time 48h from step1 to step8.
note set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.the set point is the target condition for the sensor when used at the operational control point as programmed by the user.operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.at the operational control point , the user programmes that exat number . the operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.
c3 salt fog depsiton rate
the salt fog deposition rate shall be 2ml/h to 4ml/h,when the salt fog iscollected over a 24h period (see clause 10)
c 4 duration
unless otherwise agreed，repeat the test cycle for1000h
cycle d
c.1 salt fog test solution
prepare the spray solution as described in clause 5 by dissolving sodium chloride in water to give a concentration of (50±10)g/l .the ph of the solution shall be in the range 6 to 7.
c.2 cycle
set up the cabinet to perform the following cycle.
step
time h
temp℃
condition
notes
1
0.5
30±2
salt spray
2
1.5
30±2
wet：（95±3）%rh
3
2
50±2
hot dry
4
2
30±2
warm dry
5
go back to step 1
this makes a total cycle time of 6h from step1 to step4
transtition time（ie time allowed to reach the temperature and relative humidity specified for a condition after changing to that condition）：
from salt spray to wet：within 10min
from wet to hot dry：within 15 min
from hot dry to salt warm dry：within 30min
from salt warm dry to salt spray：instaneous
note set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.the set point is the target condition for the sensor when used at the operational control point as programmed by the user.operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.at the operational control point , the user programmes that exat number . the operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.
c3 salt fog depsiton rate
the salt fog deposition rate shall be 1ml/h to 2ml/h,when the salt fog iscollected over a 24h period (see clause 10)
c 4 duration
unless otherwise agreed，repeat the test cycle for 28 cycles(168h)
气泡清洗机设计的初衷及工作原理
中国十大航空公司有哪些（中国2023航空公司TOP 10）
双螺杆85机EVA平双拉条机
马士基的子公司计划在加拿大建立新的配送中心
美国到中东海运（美国到中东距离）
EN ISO11997-1循环腐蚀试验标准（盐雾、干燥、潮湿）
秸秆饲料快速水分检测仪种类和技术参数
200X减压阀郑州减压阀安装说明
全自动滚动真空包装机的真空室大小要求
林州实验室污水处理设备报价
西班牙波控SMP160低频电磁辐射分析仪（送货上门）
絮凝剂PAM在城市生活污泥脱水中的运用
超高清视频产业发展火热 5G提供有力支撑
简单介绍BC2540D三通道直流电阻测试仪的功能特点
德国IFM温度传感器常见几种故障及相应解决方法
计算机电缆-电子计算机电缆-价格
CJK-1Z型防爆磁性接近开关耐温技术参数
深芬仪器推出农药残留检测一体机可打印食用农产品合格证
加工中心排屑机 自动链板排屑机废料集屑车
小型潜水曝气机使用的注意事项