This instrument has the range than wide, high precision, small pressure loss, good medium generality, and the flow rate is proportional to the pulse output, current signal, the RS - 485 communication, and computer combination conveniently.This Instrument has the characteristics of simple structure, high universality and high stability, respectively, are two kinds of active, passive, passive type does not need outer power supply built-in 3.6 V batteries, battery life more than three years.
Model
LWQ-N
LWQ-A
LWQ-B
LWQ-C
LWQ-D
Signal output
pulse
4-20mA
without
4-20mA
optional 4-20mA/ pulse
Power supply
+24VDC±15%
+24VDC±15%
lithium battery
24VDC±15%
24VDC±15% + lithium battery
Accuracy
2.5~1.5
1.5~1.0
1.5~1.0
Range
STANDARD RANGE
STANDARD RANGE or extension
STANDARD RANGE or extension
Display
with
with
Temperature compensation
with
Communication interface
RS485
Real-time recording
with
Instrument material
Aluminum alloy or stainless steel
Aluminum alloy or stainless steel
Aluminum alloy or stainless steel
Explosion-Proof
ExdIIBT6 or ExiaIICT4
ExdIIBT6 or ExiaIICT4
ExdIIBT6 or ExiaIICT4
Aluminum alloy or stainless steel
IP65
IP65
IP65
Overall power consumption
<1W
<1W
<1W
Instrument drift diameter
DN25~DN300
DN25~DN300
DN25~DN300
Installation
flanged mounting
flanged mounting
flanged mounting
Medium temperature
-20°C~80°C
-20°C~80°C
-20°C~80°C
Environment temperature
-30°C~60°C
-30°C~60°C
-30°C~60°C
Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 23 Jan, 2025, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
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In the event of high demand or other factors leading to longer shipping times for certain items, we will communicate any expected delays during the initial order confirmation. We appreciate your understanding and patience as we work to ensure your order arrives as swiftly as possible.