-1-
Differential Pressure Transmitter
※ Cautions
Cautions
1. This product may cause an electric shock in handling. Please do not attempt to open it with power turned on.
2. This product should be installed in a place fixed secured by a rack or panel.
3.This product can be used under the following environmental condition.
① Indoor ②Pollution Degree 2 ③At an altitude of 2000m or below
4. Power input must be within the designated ranges.
5. To turn on or turn off power supply for this product, please the circuit breaker or switch of a standard product of IEC 60947-1 or IEC 60947-3 product and install it
within a close distance allowing convenient operation by user.
6. Please be understood that if this product is dismantled or modified discretionary, after sales service will not be able to be provided.
7. An output wire to be used for this product should be inflammable grade FV1 (V-1 grade or above), the thickness
of the wire should be AWG No. 20 or above(0.50mm2).
8. In order to prevent it from an inductive noise, please maintain the high-voltage wire and power wire separated.
9. Please avoid installing the product in a place where a strong magnetism, noise, severe vibration and impact exist.
10. When extending the sensor wire, use a shield wire and do not extend it unnecessary long.
11. The sensor wire and signal wire should be away from the power and load wires using conduits separately installed.
12. Please avoid using the product near a device generating strong high frequency noise (high-frequency welding machine, high-frequency sewing machine,
high-frequency radiotelegraph, high capacity SCR controller)
13. Product’s damages other than those decribed in the guarantee conditions provided by the manufacturer shall not be respoinsible by us.
14. If this unit is used to control machineries (Medical equipment, vehicle, train, airplane, combustion apparatus, entertain
ment, processing and transportation
equipment, elevator and various safety device etc.) enabling to effect on human or property, it is required to install fail-safe device.
※ The Aforementioned precautions must be observed, and if you fail to do so, it may cause a product’s breakdown.
※ The specifications, dimensions, and etc. are subject to change for enhancement without a prior notice.
User’s manual
DOTECH INC.
6F, JOONGANG-ILBO B/D, 30, Dongsan-ro, Danwon-gu, Ansan-si,
Gyeonggi-do, KOREA
Phone: +82-31-495-3767, Fax : +82-31-495-3917
www.dotech21.com
1. Overview
※ Features
- Optimization of FAN Control by Differential Pressure
- Various Analog Control Outputs
- Current, voltage output selectable
- RS485 Modbus RTU
- Relay Alarm Output
: Basic Specifications
Items Description
Power 100 – 240 Vac, 50/60Hz
Power Consumption MAX 5VA
Connection Screw Terminal, wire range : 24~16AWG
Span Accuracy ± 3 %
Zero point Accuracy ± 0.2 Pa
Operation Condition Temp. – 10~50℃, (Non condensation)
Storage Condition Temp. – 20~60℃, Humidity below 90%RH
Size (W x H x D mm) 115 x 80 x 40
Weight 220g
: Ordering Guide
Model Description
DP100-AR-
A1R4-500
Measuring range : -500 ~ 500Pa
Analog output (4~20mA or 0-10V)
RS485 model : MODBUS RTU MODE
DP100-AR-
A1R4-125
Measuring range : -125 ~ 125Pa
Analog output (4~20mA or 0-10V)
RS485 model : MODBUS RTU MODE
: Packing
DP100-AR User
s manual
※ Silicon Tube Φ6.0 * 3.0 2M (※Standard scope of supply)
: Display range for pressure
Unit Measuring range Display range of decimal point
Pa -500 ~ 500 -199.9 ~ 500.0 / -500 ~ -200
mmAq -50 ~ 50 -19.99 ~ 50.00 / -50.0 ~ -20.0
