502-3200-918 | 射频导纳液位开关 | 美国DE
502-3200-918 | 射频导纳液位开关 | 美国DE
502-3200-918 | 射频导纳液位开关 | 美国DE，产品是美国AMETEK DE公司 502--3X00 Z-tron II 系列射频导纳液位开关,现产品已升级为Z-tron IV Z4-1002-701 射频导纳液位开关
Z-tron IV 系列料位计常用型号：
Z4-3001-753、Z4-3001-101、Z4-3001-762、Z4-3501-766、Z4-3001-701
Z4-1001-753、Z4-1001-101、Z4-1001-762、Z4-1501-766、Z4-1001-701
技术指标：
Power Requirements:
AC Units - Field Adjustable:
95-145 VAC 50/60 Hz 2 Watt
215-265 VAC 50/60 Hz 2 Watt
DC Units:
24 VDC Unit: 19-29 VDC input 2 Watt
Sensitivity:
0.3pF&nbs******bsp;less
Operating Point Range:
0 - 80 pF (20 Turn Pot / 4 pF per Turn)
Extended range with external pad capacitor Pad ratio 1:1
Load Resistance:
Center to Ground 1500 Ohms
Center to Shield 750 Ohms
Shield to Ground 750 Ohms
Failsafe:
Field adjustable to either High-Level Fail-Safe (HLFS)
or
Low-Level Fail-Safe (LLFS)
Output:
DPDT relay closure
Contact Rating:
5A @ 120 Vac non-inductive
2A @ 230 Vac non-inductive
Ambient Temperature:
-40°F to 145°F (-40°C to 63°C)
Temperature Effect:
0.5pF/50°F
Line Voltage Effect:
0.2pF/20V @ 120 Vac
Stability:
0.15pF/6 mo. maximum shift
Spark Protection:
100 Amp
Mounting: (Probe Dependant)
?-inch NPT (Typical)
Housing:
The standard housing meets the following classifications:
Nema 1 General-Purpose
Nema 2 Drip-Tight
Nema 3 Weather-Resistant
Nema 4 Waterproof
Nema 5 Dust-Tight
Nema 12 Industrial Use
FM approval on housing only. If agency approval is required use the Drexelbrook PXL The Point? instrument for point level control.
Time Delay:
0-60 seconds (3/4 Turn Pot) 270° Potentiometer
Approvals
FM / FMC 3810 General Purpose (Pending)
