磁致伸縮式液位計
詳細介紹
ELECTRONIC TRANSMITTER
- Repeatability : ± 0.005% of Full Scale or 0.305 mm (0.012 in), whichever is greater
- Non-linearity : ± 0.01% of Full Scale or 0.864 mm (0.034in), whichever is greater
- Measuring accuracy : ± 0.01% of Full Scale or 1.27 mm (0.050 in), whichever is greater1
- Supply voltage : 12 to 42 Vdc - 4-20mA HART loop powered
- Output/Communications : 4-20mA HART7®
- User Interface : Interactive display, DTM, EDDL with NE107 messaging
- Power consumption :
- 4-20mA : at 36.0 Vdc - 3.6mA 0.13 watts; 21mA 0.76 watts
at 12.0 Vdc - 3.6mA 0.043 watts; 21mA 0.25 watts
- HART mode (4.0mA) : at 36.0 Vdc 0.144 watts
at 12.0 Vdc 0.048 watts
- Maximum line resistance :
- 4-20mA : at 36.0 Vdc and 21mA, 1142 ohms*
at 24.0 Vdc and 21mA, 571 ohms
at 12 Vdc and 21mA, < 72 ohms**
*Maximum allowable with HART® communication is 700 ohms
**See the current/resistance chart
- HART mode (4.0mA) : < 650 to 700 ohms
- Polarity protection : 4-20mA, Diode in series with loop, FOUNDATION Fieldbus and Profibus PA, polarity insensitive
- Update rate : 10 measurements per second
- Minimum measuring span : 76.2 mm (3.0 in), consult factory if smaller span is required
- Damping : Field Adjustable, Range : 0.1 to 60 seconds
- Alarm output : NE43, Software or Hardware selectable. Upscale (21 mA) or Downscale (3.6 mA)
- Surge Suppression Integral surge suppression available with option code S1
- Ambient temperature : -40 to 85ºC (-40 to 185ºF) Ambient2
- Humidity : 0 to 100% RH
- Linearization : 21 Point Table Available
- Enclosure : Dual Compartment
- Enclosure material : Cast Low Copper Aluminum with Powder Coat or 316 Stainless Steel
- Device tag material : AISI 316 Stainless Steel
- Electrical connection : Two M20 x 1.5 or two 1/2in. FNPT, adapters and bus connectors also available
- Ingress protection : IP66, NEMA 4X
SENSOR TUBE
- Material :
- Standard : 316/L Stainless Steel
- Options : Alloy 20, Hastelloy® C-276, FEP-TEFLON® jacketed, electropolished 316/316L Stainless Steel, others on
request
- Standard probe length : 304.8mm to 15.24 m (1 to 50 ft); 90 degree probes (SEH Option) 304.8mm to 7.62m (1 to 25 ft)
- Probe length tolerance :
- ± 3.2mm (0.125in) up to 3.0m (10ft); +/- 6.4mm (0.25in) up to 6.0m (20ft);
- ± 9.0mm (0.35in) up to 9.0m (29.5ft); +/- 25.4mm (1.0in) up to 15.24m (50ft)
- Mounting : Stainless Steel Clamps for KM26 Magnetic Level Gauge Chamber Included; Optional Vibration Isolation
Mounts
Notes :
- 1. Measurement accuracy is recorded at factory ambient conditions (23.88 °F +/-5.6 °C (75 °F +/-10 °F)) using a
calibration magnet. Accuracy may be further influenced by other factors such as float hysteresis, installation,
process conditions and ambient conditions.
- 2. Some agency approvals may differ. HART® is a registered trademark of the FieldComm Group
LMT200 原廠資訊連結