美国罗克韦尔中国区总代理特优价供EK全系列停产 。由Allen-Bradley1442替代1442 电涡流探头系统包含 0.25 至 29 mm（9.8 至 1142 mil）的线性范围。它们适合进行轴振动、相位/速度基准值和转子/轴向位移的测量。
特性
适合进行振动、速度/加速、转子/定位和差胀测量
提供非接触式测量探头、延长电缆和驱动系统
完全符合 API-670
提供的传感器端头直径为 5 到 50 mm（0.20 到 1.97 in.）
包含 0.25 到 29 mm（9.8 到 1142 mil）的线性范围，从端头开始
提供从直流到 10 Hz (-3 dB) 的频率响应
包含颜色编码以确保正确匹配探头、扩展电缆和驱动装置
1442 Series Probe System Specifications
Table 2 - Individual Technical Specifications
Attribute 5 mm
(0.20 in.)
8 mm
(0.31 in.)
11 mm
(0.43 in.)
18 mm
(0.71 in.)
25 mm
(1 in.)
50 mm
(1.97 in.)
Applications (typical) Vibration, speed, or thrust Differential expansion
Linear range, approx(1)
(1) Applies at 25 °C (77 °F) with -24V DC power supply, load resistance 10 kΩ, and AISI 4140 (JIS SCM440) steel flat surface target (thickness ≥ 5 mm).
2 mm
(80 mils)
4.5 mm
(180 mils)
6.0 mm
(246 mils)
13.5 mm
(532 mils)
26 mm
(1024 mils)
Linear range from
sensor tip, approx(1)
0.25…2.25 mm
(9.8…88.6 mils)
0.5…5.0 mm
(20…200 mils)
0.5…6.5 mm
(20…256 mils)
3…16.5 mm
(118…650 mils)
3…29 mm
(118…1142 mils)
Sensitivity(1) 7.87 V/mm
(200 mV/mil)
3.94 V/mm
(100 mV/mil)
2.5 V/mm
(63.5 mV/mil)
0.8 V/mm
(20.3 mV/mil)
0.4 V/mm
(10.15 mV/mil)
Frequency response DC to 10 kHz (-3 dB) DC to 10 kHz (-3 dB) DC to 200 Hz (-3 dB)
5 m (16 ft) System Length
Scale factor error(1) (2)
(2) Includes interchangeability errors.
Within 7.87 V/mm ±5% Within 3.94 V/mm
±10%
—
Linearity (2) Within ±25 μm (±1 mil) for a straight line of
7.87 V/mm
Within ±100 μm for a
straight line of
3.94 V/mm
Within ±90 μm for a
straight line of
2.5 V/mm
Within ±270 μm for a
straight line of
0.8 V/mm
Within ±400 μm for a
straight line of
0.4 V/mm
9 m (29 ft) System Length
Scale factor error(1) (2) Within ±6.5% of 7.87 V/mm (200 mV/mil) Within ±10% of
3.94 V/mm
(100 mV/mil)
—
Operating temperature characteristics(3)
(3) Applies when target is AISI 4140 (JIS SCM440) steel, flat, and with a thickness of >= 5mm (0.2 in.).
Sensor(4)
(4) Applies at temperatures from 0...80 °C (176 °F) and is 0 % F.S. at standard 20 °C (68 °F).
< ±3% of F.S.
Extension cable(4) < ±4% of F.S. < ±3% of F.S.
Driver(4) < ±3% of F.S.
Apply with gap 2 mm (0.08 in.) 4 mm (0.16 in.) 1442-PS-0815M0010A 1442 Eddy Current Probe, Standard Mount Probe, 8 mm / 2 mm (80 mils) probe diameter, 150 mm body length, 1 Meter cable length, Armored Cable
1442-PS-0815M0010N 1442 Eddy Current Probe, Standard Mount Probe, 8 mm / 2 mm (80 mils) probe diameter, 150 mm body length, 1 Meter cable length, No Armor
1442-PS-0816E0010A 1442 Eddy Current Probe, Standard Mount Probe, 8 mm / 2 mm (80 mils) probe diameter, 1.6 inches body length, 1 Meter cable length, Armored Cable
1442-PS-0816E0010N 1442 Eddy Current Probe, Standard Mount Probe, 8 mm / 2 mm (80 mils) probe diameter, 1.6 inches body length, 1 Meter cable length, No Armor
1442-PS-0820E0010A 1442 Eddy Current Probe, Standard Mount Probe, 8 mm / 2 mm (80 mils) probe diameter, 2.0 inches body length, 1 Meter cable length, Armored Cable
