302 Series Technical Specifications

	NPL-352	NPL-332	DTM-352	DTM-332	NPL-362	DTM-362
TELESCOPE
Tube length:	6.02 in (153 mm)	6.02 in (153 mm)	6.22 in (158 mm)	6.22 in (158 mm)	6.02 in (153 mm)	6.22 in (158 mm)
Image:	Erect	Erect	Erect	Erect	Erect	Erect
Effective diameter of objective:	1.57 in (40 mm) EDM: 1.97 in (50 mm)	1.57 in (40 mm) EDM: 1.97 in (50 mm)	1.77 in (45 mm) EDM: 1.97 in (50 mm)	1.77 in (45 mm) EDM: 1.97 in (50 mm)	1.57 in (40 mm) EDM: 1.97 in (50 mm)	1.77 in (45 mm) EDM: 1.97 in (50 mm)
Magnification:	26X (16X/32X w/ optional eyepieces)	26X (16X/32X w/ optional eyepieces)	33X (21X/41X w/ optional eyepieces)	33X (21X/41X w/ optional eyepieces)	26X (16X/32X w/ optional eyepieces)	33X (21X/41X w/ optional eyepieces)
Field of view:	1°30'	1°30'	1°20'	1°20'	1°30'	1°20'
	2.6 ft @ 100 ft	2.6 ft @ 100 ft	2.3 ft @ 100 ft	2.3 ft @ 100 ft	2.6 ft @ 100 ft	2.3 ft @ 100 ft
	(2.6 m @ 100 m)	(2.6 m @ 100 m)	(2.3 m @ 100 m)	(2.3 m @ 100 m)	(2.6 m @ 100 m)	(2.3 m @ 100 m)
Resolving power:	3"	3"	2.5"	2.5"	3"	2.5"
Minimum focusing distance:	5.3 ft (1.6 m)	5.3 ft (1.6 m)	4.26 ft (1.3 m)	4.26 ft (1.3 m)	5.3 ft (1.6 m)	4.26 ft (1.3 m)
DISTANCE MEASUREMENT	Range with Nikon-specified prisms	Range with Nikon-specified prisms	Range with Nikon-specified prisms	Range with Nikon-specified prisms	Range with Nikon-specified prisms	Range with Nikon-specified prisms
Under good conditions	No haze with visibility over 25 miles (40 km)	No haze with visibility over 25 miles (40 km)	No haze with visibility over 25 miles (40 km)	No haze with visibility over 25 miles (40 km)	No haze with visibility over 25 miles (40 km)	No haze with visibility over 25 miles (40 km)
With reflector sheet:	5.3 to 980 ft (1.6 to 300 m)	5.3 to 980 ft (1.6 to 300 m)	16.4 to 328 ft (5 to 100 m)	16.4 to 328 ft (5 to 100 m)	5.3 to 980 ft (1.6 to 300 m)	16.4 to 328 ft (5 to 100 m)
With mini prism:	9,840 ft (3000 m)	9,840 ft (3000 m)	3,930 ft (1,200 m)	3,930 ft (1,200 m)	9,840 ft (3000 m)	3,930 ft (1,200 m)
With single prism:	16,400 ft (5000 m)	16,400 ft (5000 m)	7,540 ft (2,300 m)	7,540 ft (2,300 m)	16,400 ft (5000 m)	7,540 ft (2,300 m)
With triple prism:	—	—	9,840 ft (3,000 m)	9,840 ft (3,000 m)	—	9,840 ft (3,000 m)
Under normal conditions	Ordinary haze with visibility about 12.5 miles (20 km)	Ordinary haze with visibility about 12.5 miles (20 km)	Ordinary haze with visibility about 12.5 miles (20 km)	Ordinary haze with visibility about 12.5 miles (20 km)	Ordinary haze with visibility about 12.5 miles (20 km)	Ordinary haze with visibility about 12.5 miles (20 km)
With reflector sheet:	5.3 to 980 ft (1.6 to 300 m)	5.3 to 980 ft (1.6 to 300 m)	16.4 to 328 ft (5 to 100 m)	16.4 to 328 ft (5 to 100 m)	5.3 to 980 ft (1.6 to 300 m)	16.4 to 328 ft (5 to 100 m)
With mini prism:	9,840 ft (3000 m)	9,840 ft (3000 m)	3,280 ft (1000 m)	3,280 ft (1000 m)	9,840 ft (3000 m)	3,280 ft (1000 m)
With single prism:	16,400 ft (5000 m)	16,400 ft (5000 m)	6,560 ft (2,000 m)	6,560 ft (2,000 m)	16,400 ft (5000 m)	6,560 ft (2,000 m)
With triple prism:	—	—	8,530 ft (2,600 m)	8,530 ft (2,600 m)	—	8,530 ft (2,600 m)
Reflectorless mode			—	—		—
Under good conditions	No haze with visibility over 25 miles (40 km)	No haze with visibility over 25 miles (40 km)	—	—	No haze with visibility over 25 miles (40 km)	—
With white target¹:	5.3 to 650 ft (1.6 to 200 m)	5.3 to 650 ft (1.6 to 200 m)	—	—	5.3 to 650 ft (1.6 to 200 m)	—
ACCURACY
Prism/Precise mode:	±(3+2 ppm x D) mm	±(3+2 ppm x D) mm	±(3+2 ppm x D) mm	±(3+2 ppm x D) mm	±(3+2 ppm x D) mm	±(3+2 ppm x D) mm
-4 to 14 °F (-20 to -10 C):	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm
104 to 122 °F (40 to 50 C):	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm	±(3+3 ppm x D) mm
Reflector sheet:	±5 mm: 5.3 to 17.4 ft (1.6 to 5 m)	±5 mm: 5.3 to 17.4 ft (1.6 to 5 m)	—	—	±5 mm: 5.3 to 17.4 ft (1.6 to 5 m)	—
Prism:	±5 mm: 5.3 to 32.8 ft (1.6 to 10 m)	±5 mm: 5.3 to 32.8 ft (1.6 to 10 m)	—	—	±5 mm: 5.3 to 32.8 ft (1.6 to 10 m)	—
Prism/Normal mode:	±(10+5 ppm x D) mm	±(10+5 ppm x D) mm	±(10+5 ppm x D) mm	±(10+5 ppm x D) mm	±(10+5 ppm x D) mm	±(10+5 ppm x D) mm
Reflectorless/Precise mode:	±(5+2 ppm x D) mm	±(5+2 ppm x D) mm	—	—	±(5+2 ppm x D) mm	—
-4 to 14 °F (-20 to -10 C):	±(5+3 ppm x D) mm	±(5+3 ppm x D) mm	—	—	±(5+3 ppm x D) mm	—
104 to 122 °F (40 to 50 C):	±(5+3 ppm x D) mm	±(5+3 ppm x D) mm	—	—	±(5+3 ppm x D) mm	—
	NPL-352	NPL-332	DTM-352	DTM-332	NPL-362	DTM-362
LEAST COUNT
Precise mode:	0.002 ft (1 mm)	0.002 ft (1 mm)	0.002 ft (1 mm)	0.002 ft (1 mm)	0.002 ft (1 mm)	0.002 ft (1 mm)
Normal mode:	0.02 ft (10 mm)	0.02 ft (10 mm)	0.02 ft (10 mm)	0.02 ft (10 mm)	0.02 ft (10 mm)	0.02 ft (10 mm)
MEASURING INTERVALS
Prism/Precise mode:	1.6 sec (initial 2.6 sec)	1.6 sec (initial 2.6 sec)	1.6 sec (initial 1.6 sec)	1.6 sec (initial 1.6 sec)	1.6 sec (initial 2.6 sec)	1.6 sec (initial 1.6 sec)
Prism/Normal mode:	0.5 sec (initial 2.2 sec)	0.5 sec (initial 2.2 sec)	1.0 sec (initial 1.4 sec)	1.0 sec (initial 1.4 sec)	0.5 sec (initial 2.2 sec)	1.0 sec (initial 1.4 sec)
Reflectorless/Precise mode:	1.6 sec (initial 3.5 sec)	1.6 sec (initial 3.5 sec)	—	—	1.6 sec (initial 3.5 sec)	—
Reflectorless/Normal mode:	0.8 sec (initial 3.2 sec)	0.8 sec (initial 3.2 sec)	—	—	0.8 sec (initial 3.2 sec)	—
ANGLE MEASUREMENT
Reading system:	Photoelectric detection by incremental encoder	Photoelectric detection by incremental encoder	Photoelectric detection by incremental encoder	Photoelectric detection by incremental encoder	Photoelectric detection by incremental encoder	Photoelectric detection by incremental encoder
Circle diameter:	H 3.46 in (88 mm)	H 3.46 in (88 mm)	H 3.46 in (88 mm)	H 3.46 in (88 mm)	H 3.46 in (88 mm)	H 3.46 in (88 mm)
Horizontal angle:	Diametrical	Single	Diametrical	Single	Diametrical	Diametrical
Vertical angle:	Single	Single	Single	Single	Single	Single
Minimum increment
Degree:	1/5/10"	1/5/10"	1/5/10"	1/5/10"	1/5/10"	1/5/10"
Gon:	0.2/1/2 mgon	0.2/1/2 mgon	0.2/1/2 mgon	0.2/1/2 mgon	0.2/1/2 mgon	0.2/1/2 mgon
MIL6400:	0.005/0.02/0.05 mil	0.005/0.02/0.05 mil	0.005/0.02/0.05 mil	0.005/0.02/0.05 mil	0.005/0.02/0.05 mil	0.005/0.02/0.05 mil
DIN 18723 accuracy:	5"/1.5 mgon	5"/1.5 mgon	5"/1.5 mgon	5"/1.5 mgon	3"/1 mgon	3"/1 mgon
	NPL-352	NPL-332	DTM-352	DTM-332	NPL-362	DTM-362
READOUT DISPLAY	29,999.99 ft (9,999.999 m)	29,999.99 ft (9,999.999 m)	29,999.99 ft (9,999.999 m)	29,999.99 ft (9,999.999 m)	29,999.99 ft (9,999.999 m)	29,999.99 ft (9,999.999 m)
AMBIENT TEMPERATURE RANGE	-4 TO 122 °F (-20 to 50 C)	-4 TO 122 °F (-20 to 50 C)	-4 TO 122 °F (-20 to 50 C) (-22 °F (-30 C) optional)	-4 TO 122 °F (-20 to 50 C)	-4 TO 122 °F (-20 to 50 C)	-4 TO 122 °F (-20 to 50 C) (-22 °F (-30 C) optional)
ATMOSPHERIC CORRECTION
Temperature range:	-40 to 140 °F (-40 to 60 C)	-40 to 140 °F (-40 to 60 C)	-40 to 140 °F (-40 to 60 C)	-40 to 140 °F (-40 to 60 C)	-40 to 140 °F (-40 to 60 C)	-40 to 140 °F (-40 to 60 C)
Barometric pressure:	15.8 to 39.3" inHg (400 to 999 mmHg/533 to 1332 hPa)	15.8 to 39.3" inHg (400 to 999 mmHg/533 to 1332 hPa)	15.8 to 39.3" inHg (400 to 999 mmHg/533 to 1332 hPa)	15.8 to 39.3" inHg (400 to 999 mmHg/533 to 1332 hPa)	15.8 to 39.3" inHg (400 to 999 mmHg/533 to 1332 hPa)	15.8 to 39.3" inHg (400 to 999 mmHg/533 to 1332 hPa)
Prism offset correction:	-999 to 999 mm	-999 to 999 mm	-999 to 999 mm	-999 to 999 mm	-999 to 999 mm	-999 to 999 mm
	NPL-352	NPL-332	DTM-352	DTM-332	NPL-362	DTM-362
TILT SENSOR
Type:	Dual-axis	Single-axis	Dual-axis	Single-axis	Dual-axis	Dual-axis
Method:	Liquid-electric detection	Liquid-electric detection	Liquid-electric detection	Liquid-electric detection	Liquid-electric detection	Liquid-electric detection
Compensation range:	±3'	±3'	±3'	±3'	±3'	±3'
Setting accuracy:	±1"/±0.2 mgon	±1"/±0.2 mgon	±1"/±0.2 mgon	±1"/±0.2 mgon	±1"/±0.2 mgon	±1"/±0.2 mgon
LEVEL VIAL SENSITIVITY
Plate level vial:	30"/2 mm	30"/2 mm	30"/2 mm	30"/2 mm	30"/2 mm	30"/2 mm
Circular level vial:	10'/2 mm	10'/2 mm	10'/2 mm	10'/2 mm	10'/2 mm	10'/2 mm
OPTICAL PLUMMET
Image:	Erect	Erect	Erect	Erect	Erect	Erect
Magnification:	3x	3x	3x	3x	3x	3x
Focusing range:	1.6 ft (0.5 m) to Infinity	1.6 ft (0.5 m) to Infinity	1.6 ft (0.5 m) to Infinity	1.6 ft (0.5 m) to Infinity	1.6 ft (0.5 m) to Infinity	1.6 ft (0.5 m) to Infinity
	NPL-352	NPL-332	DTM-352	DTM-332	NPL-362	DTM-362
DISPLAY/KEYPAD
Front side
Type:	Graphic LCD (128 x 64 pixel)	Graphic LCD (128 x 64 pixel)	Graphic LCD (128 x 64 pixel)	Graphic LCD (128 x 64 pixel)	Graphic LCD (128 x 64 pixel)	Graphic LCD (128 x 64 pixel)
Backlight:	1-level illumination	1-level illumination	1-level illumination	1-level illumination	1-level illumination	1-level illumination
Keypad:	25 keys	25 keys	25 keys	25 keys	25 keys	25 keys
Rear side		—		—
Type:	Graphic LCD (128 x 64 pixel)	—	Graphic LCD (128 x 64 pixel)	—	Graphic LCD (128 x 64 pixel)	Graphic LCD (128 x 64 pixel)
Backlight:	1-level illumination	—	1-level illumination	—	1-level illumination	1-level illumination
Keypad:	25 keys	—	25 keys	—	25 keys	25 keys
COMMUNICATIONS PORT
Type:	RS-232C	RS-232C	RS-232C	RS-232C	RS-232C	RS-232C
Baud rate:	38,400 max. ASYNC	38,400 max. ASYNC	38,400 max. ASYNC	38,400 max. ASYNC	38,400 max. ASYNC	38,400 max. ASYNC
POINT MEMORY
Raw/coordinates:	10,000 records	10,000 records	10,000 records	10,000 records	10,000 records	10,000 records
	NPL-352	NPL-332	DTM-352	DTM-332	NPL-362	DTM-362
DIMENSIONS (W x D x H)	6.6 X 6.8 X 13.7 IN (168 x 173 x 347 mm)	6.6 X 6.8 X 13.7 IN (168 x 173 x 347 mm)	6.6 X 6.8 X 13.2 IN (168 x 173 x 335 mm)	6.6 X 6.8 X 13.2 IN (168 x 173 x 335 mm)	6.6 X 6.8 X 13.7 IN (168 x 173 x 347 mm)	6.6 X 6.8 X 13.2 IN (168 x 173 x 335 mm)
WEIGHT
Main unit (w/o battery):	11.2 lbs (5.1 kg)	10.8 lbs (4.9 kg)	10.8 lbs (4.9 kg)	10.6 lbs (4.8 kg)	11.2 lbs (5.1 kg)	10.8 lbs (4.9 kg)
BC-65 clip-on battery:	0.9 lbs (0.4 kg)	0.9 lbs (0.4 kg)	0.9 lbs (0.4 kg)	0.9 lbs (0.4 kg)	0.9 lbs (0.4 kg)	0.9 lbs (0.4 kg)
Battery charger:	1.3 lbs (0.6 kg)	1.3 lbs (0.6 kg)	1.3 lbs (0.6 kg)	1.3 lbs (0.6 kg)	1.3 lbs (0.6 kg)	1.3 lbs (0.6 kg)
Carrying case:	7.1 lbs (3.2 kg)	7.1 lbs (3.2 kg)	5.3 lbs (2.4 kg)	5.3 lbs (2.4 kg)	7.1 lbs (3.2 kg)	5.3 lbs (2.4 kg)
POWER SUPPLY
Clip-on BC-65 NiMH battery
Output voltage:	7.2V DC	7.2V DC	7.2V DC	7.2V DC	7.2V DC	7.2V DC
Operating time
Cont. distance/angle measurement:	~6.5 hours² (~7² hours in Reflectorless mode)	~6.5 hours² (~7² hours in Reflectorless mode)	~16 hours²	~16 hours²	~6.5 hours² (~7² hours in Reflectorless mode)	~16 hours²
Distance/angle measurement every 30 seconds:	~15 hours (~16 hours in Reflectorless mode)	~15 hours (~16 hours in Reflectorless mode)	~27 hours	~27 hours	~15 hours (~16 hours in Reflectorless mode)	~27 hours
Angle measurement:	~27 hours	~27 hours	~30 hours	~30 hours	~27 hours	~30 hours
Quick charger Q-75U
Input voltage:	115V AC	115V AC	115V AC	115V AC	115V AC	115V AC
Recharging time:	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge
Discharging time:	~7.5 hours	~7.5 hours	~7.5 hours	~7.5 hours	~7.5 hours	~7.5 hours
Quick charger Q-75E
Input voltage:	220/240V AC	220/240V AC	220/240V AC	220/240V AC	220/240V AC	220/240V AC
Recharging time:	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge
Discharging time:	~7.5 hours	~7.5 hours	~7.5 hours	~7.5 hours	~7.5 hours	~7.5 hours
Quick charger Q-70C
Input voltage:	12V DC	12V DC	12V DC	12V DC	12V DC	12V DC
Recharging time:	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recharge	~2 hrs for full recha