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E3ZR-C

Robust compact sensor resistant to cutting oil

E3ZR-C provides robust stainless steel housing for harsh environments. Specially designed to be resistant to cutting oil. High power LED for excellent performance and high optical precision.

Sealing methods that prevent gaps at joints block the ingress of cutting oil
Fluororesin cables that strongly resist cutting oil
IP67G Oil-resistant
Rugged stainless steel compact housing

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Specifications & ordering info

Ordering information

Sensor type	Sensing distance (Red light)	Operation mode	Connection method				Order code
Sensor type	Sensing distance (Red light)	Operation mode					NPN output	PNP output
Through-beam (Emitter + Receiver)1	30 m	Light ON	−	−	2 m2	−	E3ZR-CT61L 2M (Emitter E3ZR-CT61L-L 2M Receiver E3ZR-CT61L-D 2M)	E3ZR-CT81L 2M (Emitter E3ZR-CT81L-L 2M Receiver E3ZR-CT81L-D 2M)
		Light ON	−	⬛3	−	−	E3ZR-CT61L-M1TJ 0.3M (Emitter E3ZR-CT61L-L-M1TJ 0.3M Receiver E3ZR-CT61L-D-M1TJ 0.3M)	E3ZR-CT81L-M1TJ 0.3M (Emitter E3ZR-CT81L-L-M1TJ 0.3M Receiver E3ZR-CT81L-D-M1TJ 0.3M)
		Dark ON	−	−	2 m2	−	E3ZR-CT61D 2M (Emitter E3ZR-CT61D-L 2M Receiver E3ZR-CT61D-D 2M)	E3ZR-CT81D 2M (Emitter E3ZR-CT81D-L 2M Receiver E3ZR-CT81D-D 2M)
		Dark ON	−	⬛3	−	−	E3ZR-CT61D-M1TJ 0.3M (Emitter E3ZR-CT61D-L-M1TJ 0.3M Receiver E3ZR-CT61D-D-M1TJ 0.3M)	E3ZR-CT81D-M1TJ 0.3M (Emitter E3ZR-CT81D-L-M1TJ 0.3M Receiver E3ZR-CT81D-D-M1TJ 0.3M)
Retro-reflective with M.S.R. function4	2.5 m5 (100 mm)6	Light ON	−	−	2 m2	−	E3ZR-CR61L 2M	E3ZR-CR81L 2M
		Light ON	−	⬛3	−	−	E3ZR-CR61L-M1TJ 0.3M	E3ZR-CR81L-M1TJ 0.3M
		Dark ON	−	−	2 m2	−	E3ZR-CR61D 2M	E3ZR-CR81D 2M
		Dark ON	−	⬛3	−	−	E3ZR-CR61D-M1TJ 0.3M	E3ZR-CR81D-M1TJ 0.3M
Diffuse-reflective	0.5 m	Light ON	−	−	2 m2	−	E3ZR-CD61L 2M	E3ZR-CD81L 2M
		Light ON	−	⬛3	−	−	E3ZR-CD61L-M1TJ 0.3M	E3ZR-CD81L-M1TJ 0.3M
		Dark ON	−	−	2 m2	−	E3ZR-CD61D 2M	E3ZR-CD81D 2M
		Dark ON	−	⬛3	−	−	E3ZR-CD61D-M1TJ 0.3M	E3ZR-CD81D-M1TJ 0.3M

Specifications

Item		Through-beam	Retro-reflective with M.S.R. function	Diffuse-reflective
	NPN output	E3ZR-CT61_ (-M1TJ)	E3ZR-CR61_ (-M1TJ)	E3ZR-CD61_ (-M1TJ)
	PNP output	E3ZR-CT81_ (-M1TJ)	E3ZR-CR81_ (-M1TJ)	E3ZR-CD81_ (-M1TJ)
Directional angle		Emitter, Receiver: 3° to 15° (Distance between emitter and receiver. Rated sensing distance)	Sensor: 2° to 10° Reflector: 30° (Distance to reflector. Rated sensing distance)	−
Light source (wave length)		Red LED (624 nm)	Red LED (680 nm)	Red LED (624 nm)
Power supply voltage		12 to 24 VD±10%, ripple (p-p): 10% max.
Protective circuits		Reversed power supply polarity protection, output short-circuit protection, and reversed output polarity protection	Reversed power supply polarity protection, output short-circuit protection, reversed output polarity protection, and mutual interference prevention function (with up to two Units)
Response time		Operate or reset: 1 ms max.
Ambient temperature	Operating	−25 to 55°C
Ambient temperature	Storage	−40 to 70°C (with no icing or condensation)
Degree of protection		IP67 (IEC 60529) and IP67G7 (JIS C 0920 Annex 1) Passed OMRON's Oil-resistant Component Evaluation Standards 8 (Cutting oil type: specified in JIS K 2241:2000; Temperature: 35°C max.)
Material	Case	SUS316L
	Cable	Fluororesin
	Lens	Methacrylate resin (Oil-resistant high molecular weight type)
	Indicator	Polyetherimide resin

1. Through-beam Sensors are sold in sets that include both the Emitter and Receiver. An order for the Emitter or Receiver alone cannot be accepted.

2. Models with 5-m cable length are also available with “5M” suffix. (Example: E3ZR-CT61L 5M)

3. M12 Smartclick pre-wired connector (0.3 m)

4. The Reflector is sold separately. Select the Reflector model most suited to the application.

5. When using E39-R1R Oil-resistant Reflector

6. Values in parentheses indicate the minimum required distance between the Sensor and Reflector.

7. The IP67G is the degree of protection which is defined according to the JIS (Japanese Industrial Standards).
The IP67 indicates the same level of protection as defined by the IEC, and the G indicates that a device has resistance to oil.

8. The Oil-resistant Component Evaluation Standards are OMRON's own durability evaluation standards. The Pre-wired connector model meets the degree of protection when it is correctly connected with an XS5_R Oil-resistant connector. The degree of protection is not satisfied with the part where there is no XS5FR Oil-resistant connector connected and cable wires are uncovered. And as for the Pre-wired models, the degree of protection is not satisfied with the part where cable wires are uncovered.

1. Through-beam Sensors are sold in sets that include both the Emitter and Receiver. An order for the Emitter or Receiver alone cannot be accepted.

2. Models with 5-m cable length are also available with “5M” suffix. (Example: E3ZR-CT61L 5M)

3. M12 Smartclick pre-wired connector (0.3 m)

4. The Reflector is sold separately. Select the Reflector model most suited to the application.

5. When using E39-R1R Oil-resistant Reflector

6. Values in parentheses indicate the minimum required distance between the Sensor and Reflector.

Accessories

Reflectors for retro-reflective photoelectric sensors

Type	Housing material	Features	Size in mm	Applicable Sensor	Order code
General purpose reflectors	ABS base Acrylic surface	Surface screw mounting (diagonal holes)	40 × 60 × 7.5	Retro-reflective photoelectric sensors with and without M.S.R	E39-R1S
		Surface screw mounting (holes on one side only)	35.4 × 42.3 × 8		E39-R9
		Surface screw mounting (holes on one side only)	51.4 × 60.3 × 8.5		E39-R42
Small size		Side screw mounting or surface selfadhesive	41.8 × 22.5 × 11		E39-R3
Small size		Surface screw mounting	23 × 13.7 × 4.9		E39-R4
Large size			100 × 100 × 9		E39-R8
Large size			84.5 × 84.5 × 8.7		E39-R40
High precision		Microtripel for improved performance with fine beam sensors	52 × 40 × 4.8	Recommended for fine beam coaxial models (E3NC-LH03, E3S-DB, E3T-SR4)	E39-R6
			30 × 45		E39-R12
			14 × 23 × 1		E39-R37-CA
			12 × 24		E39-R13
Simple mounting		Round shape with centered mounting hole for simple screw mounting	Diameter: 84 Depth: 7.4	Photoelectric sensors with and without M.S.R.	E39-R7

Note: the ambient operating temperature is -25°C to 55°C unless otherwise specified

Shape	Type	Housing material	Features	Size in mm	Applicable Sensor		Order code
	Enhanced detergent resistance	PVC	Surface screw mounting IP69k after DIN 40050 part 9	40 × 60 × 7.5	Recommended for harsh environment sensors		E39-R50
		PET	Surface screw mounting IP69k after DIN 40050 part 9 Anti-fogging coating	40 × 60 × 7.5			E39-R50K
		PVC	Surface screw mounting IP69k after DIN 40050 part 9	20 × 60 × 6			E39-R51
	Highest detergent resistance	SUS316L Borosilicat	Surface screw mounting	43 × 30 × 5			E39-R16
	Heat resistant	Borosilicat	Surface screw mounting 450°C heat resistance Suitable for vacuum environment	95 × 51 × 8			E39-R47
	Non-fogging reflector	ABS Acrylic surface	Anti-fogging coating	40 × 60 × 7.5			E39-R1K
	Special polarizing	ABS base PMMA surface	Special polarizing filter to PET	44 × 80 × 8.5	E3ZM-B, E3FA-B, E3FB-B, E3S-DB		E39-RP1
	Oil-resistant Reflector	Methacrylate resin surface Aluminium, Stainless steel screws	Resistant to cutting oil	65.4 × 106 × 11.5	E3ZR-C		E39-R1R
	General purpose tape reflectors	Acrylic	Self adhesive Pre cut	35 × 10 × 0.6	Photoelectric sensors with and without M.S.R.		E39-RS1
				35 × 10 × 0.6		Optimised for E3T-SR4	E39-RS1-CA
				40 × 35 × 0.6			E39-RS2
				40 × 35 × 0.6		Optimised for E3T-SR4	E39-RS2-CA
				80 × 70 × 0.6			E39-RS3
				80 × 70 × 0.6		Optimised for E3T-SR4	E39-RS3-CA
			Self adhesive Cut-to-length, roll material	25 mm × 5 m			E39-RS25 5 m
				25 mm × 22.8 m			E39-RS25 22.8 m
				50 mm × 5 m			E39-RS50 5 m
				50 mm × 22.8 m			E39-RS50 22.8 m
	High precision tape reflectors		Self adhesive Pre cut	195 × 22	Recommended for fine beam and laser sensors (E3NC-LH03, E3Z-LR, E3S-DB_2)		E39-RS4
	High precision tape reflectors		Self adhesive Pre cut	108 × 46			E39-RS5