求助时间记录 点击：1174 | 回复：12
发表于：2006-04-06 10:20:00
3楼
以下该表的部分参数，没有直接介绍晶震的频率
SPECIFICATIONS
1. DISPLAY: 6-digit, 0.56" (14.2 mm) high LED display. (APLCK)
2. POWER REQUIREMENTS:
APLCK
AC Operation: Available in two voltage ranges. 115 VAC (±10%), or 230
VAC (±10%), 50/60 Hz, 12 VA.
DC Operation: 11 to 14 VDC @ 0.5 A max.
PBLCK
AC Operation: Switch selected via the LDD power supply board, 115/230
(±10%), 50/60 Hz, 10 VA for 4-digit, 15 VA for 6-digit (including LDD).
3. SENSOR POWER: +12 VDC (±25%) @ 100 mA max.
4. TIME ACCURACY: 0.006%
5. TIMING MODE ACCURACY: ±(0.006% +10 msec)
6. BATTERY BACK-UP: 4 hours min. Unit will maintain time and all other
settings (display is blanked out during battery back-up).
7. CONTROL INPUTS: Response Time = 10 msec max. VIL = 1.2 VDC and
VIH = 3.5 VDC. All will work with VCM [E-H].
8. INPUT & POWER CONNECTIONS: There is a plug-in compression
type, barrier strip located at the rear of the unit. This strip can be removed
from the rear of the unit for ease of wiring.
9. ENVIRONMENTAL CONDITIONS:
Operating Temperature: 0 to 45°C
Storage Temperature: -20 to 50°C
Operating and Storage Humidity: 85% max. relative humidity (noncondensing)
from 0°C to 45°C.
Altitude: Up to 2000 meters
10. CERTIFICATIONS AND COMPLIANCES:
SAFETY
IEC 1010-1, EN 61010-1: Safety requirements for electrical equipment
for measurement, control, and laboratory use, Part 1.
IP65 Enclosure rating (Face only)., IEC 529
Type 4 Enclosure rating (Face only), UL50
EMC EMISSIONS:
Meets EN 50081-1: Residential, Commercial, and Light Industrial
Environment.
CISPR 22 Radiated and conducted emissions
SPECIFICATIONS
1. DISPLAY: 6-digit, 0.56" (14.2 mm) high LED display. (APLCK)
2. POWER REQUIREMENTS:
APLCK
AC Operation: Available in two voltage ranges. 115 VAC (±10%), or 230
VAC (±10%), 50/60 Hz, 12 VA.
DC Operation: 11 to 14 VDC @ 0.5 A max.
PBLCK
AC Operation: Switch selected via the LDD power supply board, 115/230
(±10%), 50/60 Hz, 10 VA for 4-digit, 15 VA for 6-digit (including LDD).
3. SENSOR POWER: +12 VDC (±25%) @ 100 mA max.
4. TIME ACCURACY: 0.006%
5. TIMING MODE ACCURACY: ±(0.006% +10 msec)
6. BATTERY BACK-UP: 4 hours min. Unit will maintain time and all other
settings (display is blanked out during battery back-up).
7. CONTROL INPUTS: Response Time = 10 msec max. VIL = 1.2 VDC and
VIH = 3.5 VDC. All will work with VCM [E-H].
8. INPUT & POWER CONNECTIONS: There is a plug-in compression
type, barrier strip located at the rear of the unit. This strip can be removed
from the rear of the unit for ease of wiring.
9. ENVIRONMENTAL CONDITIONS:
Operating Temperature: 0 to 45°C
Storage Temperature: -20 to 50°C
Operating and Storage Humidity: 85% max. relative humidity (noncondensing)
from 0°C to 45°C.
Altitude: Up to 2000 meters
10. CERTIFICATIONS AND COMPLIANCES:
SAFETY
IEC 1010-1, EN 61010-1: Safety requirements for electrical equipment
for measurement, control, and laboratory use, Part 1.
IP65 Enclosure rating (Face only)., IEC 529
Type 4 Enclosure rating (Face only), UL50
EMC EMISSIONS:
Meets EN 50081-1: Residential, Commercial, and Light Industrial
Environment.
CISPR 22 Radiated and conducted emissions
发表于：2006-04-06 17:09:00
5楼
理解，只是我换了一种方式。
我提供的是计时器，确实不是记录仪，不可以记录20万次。
该表仅作显示器用，自己纪录。如果开关的频率很高，那肯定不行，眼睛和手都配合不过来。如果频率不高，可采用通讯的方式把数据出送到记录以上或PC。但该表的精度就是：±0.01%,最小分辨率：0.001秒，
Timer Range: 23 Selectable Ranges
Timing Accuracy: ± 0.01%
Minimum Digit Resolution: 0.001 Sec.
Maximum Least Significant Digit Resolution: 1 Hr.
Maximum Display: 999999
我提供的是计时器，确实不是记录仪，不可以记录20万次。
该表仅作显示器用，自己纪录。如果开关的频率很高，那肯定不行，眼睛和手都配合不过来。如果频率不高，可采用通讯的方式把数据出送到记录以上或PC。但该表的精度就是：±0.01%,最小分辨率：0.001秒，
Timer Range: 23 Selectable Ranges
Timing Accuracy: ± 0.01%
Minimum Digit Resolution: 0.001 Sec.
Maximum Least Significant Digit Resolution: 1 Hr.
Maximum Display: 999999
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