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1		-XWiki.Edwin
	1	+XWiki.karry

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3	3	{{toc/}}
4	4
5	5
6		-= 1. DR-ECK1 Water EC Probe (0 ~~ 2,000 μS/cm) =
	6	+= 1. DR-ECK Water EC Probe =
	7	+
	8	+== 1.1 Specification: ==
	9	+
	10	+* **Power Input**: DC7~~30
	11	+* **Power Consumption** : < 0.5W
	12	+* **Interface**: RS485. 9600 Baud Rate
	13	+* **EC Range & Resolution:**
	14	+** **ECK0.01** : 0.02 ~~ 20 μS/cm
	15	+** **ECK0.1**: 0.2 ~~ 200.0 μS/cm
	16	+** **ECK1.0** : 2 ~~ 2,000 μS/cm  Resolution: 1 μS/cm
	17	+** **ECK10.0** : 20 ~~ 20,000 μS/cm  Resolution: 10 μS/cm
	18	+* **EC Accuracy**: ±1% FS
	19	+* **Temperature Measure Range**: -20 ~~ 60 °C
	20	+* **Temperature Accuracy: **±0.5 °C
	21	+* **IP Rated**: IP68
	22	+* **Max Pressure**: 0.6MPa
	23	+
	24	+== 1.2 Application for Different Range ==
	25	+
	26	+[[image:image-20240714173018-1.png]]
	27	+
	28	+
	29	+== 1.3 Wiring ==
	30	+
	31	+
	32	+== 1.4 Mechinical Drawing ==
	33	+
	34	+[[image:image-20240714174241-2.png]]
	35	+
	36	+
	37	+== 1.5 Installation ==
	38	+
	39	+
	40	+== 1.6 Maintain ==
	41	+
	42	+
	43	+== 1.7 RS485 Commands ==
	44	+
	45	+The address of the EC K1 sensor is 11
	46	+
	47	+The query data command is 11 03 00 00 00 02 C6 9B
	48	+
	49	+For example, the returned data is 11 03 04 02 AE 01 64 8B D0, 02 AE is converted to decimal 686,  K=1, EC: 686uS/cm
	50	+
	51	+
	52	+The address of the EC K1 sensor is 12
	53	+
	54	+The query data command is 12 03 00 00 00 02 C6 A8
	55	+
	56	+~; when K=10, EC: 6860uS/cm.
	57	+
	58	+= 2. DR-PH01 Water PH Sensor =
	59	+
	60	+== 2.7 RS485 Commands ==
	61	+
	62	+The address of the dissolved oxygen sensor is 12
	63	+
	64	+The query data command is 14 03 00 14 00 01 C6 CB
	65	+
	66	+
	67	+= 3. DR-ORP1 Water ORP Sensor =
	68	+
	69	+== 3.7 RS485 Commands ==
	70	+
	71	+
	72	+The address of the dissolved oxygen sensor is 13
	73	+
	74	+The query data command is 14 03 00 14 00 01 C6 CB
	75	+
	76	+
	77	+= 4. DR-DO1 Dissolved Oxygen Sensor =
	78	+
	79	+== 4.7 RS485 Commands ==
	80	+
	81	+The address of the dissolved oxygen sensor is 14
	82	+
	83	+The query data command is 14 03 00 14 00 01 C6 CB
	84	+
	85	+After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 03 78 B5 55. 03 78 is the value of dissolved oxygen.
	86	+
	87	+Converted to decimal, it is 888. Add two decimal places to get the actual value. 03 78 means the current dissolved oxygen is 8.88mg/L
	88	+
	89	+= 5. DR-TS1 Water Turbidity Sensor =
	90	+
	91	+== 5.7 RS485 Commands ==
	92	+
	93	+
	94	+The address of the dissolved oxygen sensor is 15
	95	+
	96	+The query data command is 15 03 00 14 00 01 C6 CB
	97	+
	98	+