The technical material below is retained for this model only. Do not transfer a range, pulse, interface, mechanical or safety value from another 1535 nm product.
Specifications
LRF0815C is a 1535 nm pulsed distance-measurement module. Its assigned laser source is ER300; receiver-component data below come from the supplied APD-A13B001 R01 document. The three specification levels describe different assemblies and measurement conditions.
1. LRF0815C module specifications
LRF0815C — Basic Ranging Performance
| Model |
LRF0815C |
| Long-range test condition |
≥8,000 m to a 2.3 m x 2.3 m target, 30% reflectance, visibility ≥10 km |
| Minimum range |
≤15 m |
| Ranging accuracy |
±2 m |
| Reported range resolution |
≤0.1 m |
| Ranging frequency |
0.5 to 10 Hz |
| Multi-target reporting |
Up to 3 targets |
| Valid measurement rate / false-alarm rate |
≥98% / ≤1% under specified test conditions |
LRF0815C — Optical Parameters
| Laser wavelength |
1535 ± 5 nm |
| Module laser-safety statement |
Class I stated in the module document. Final accessible-emission classification applies to the complete configuration. |
| Pulse energy |
≥300 µJ |
| Beam divergence |
≤0.3 mrad |
| Transmitter lens diameter |
Φ12 mm |
| Receiver lens diameter |
Φ40 mm |
LRF0815C — Electrical and Communication Interface
| Supply voltage |
12 V DC |
| Communication option |
RS-422; TTL optional |
| TTL connector |
Molex 51021-0500, 3.3 V RX/TX, CTRL, +12 V and GND |
| RS-422 connector |
J30J with RX+/RX-, TX+/TX- and power/ground contacts; mate and cable supplied per order configuration |
| Serial format |
115200 bps, 8 data bits, 1 stop bit, no parity (8N1) |
| Standby power |
≤1.2 W |
| Average power |
≤2 W |
| Peak power |
≤3 W at 10 Hz |
LRF0815C — Electrical and Communication Interface
| Molex pin | Signal | Function |
| 1 |
TTL RX |
3.3 V serial input to the rangefinder |
| 2 |
TTL TX |
3.3 V serial output from the rangefinder |
| 3 |
CTRL |
3.3-5 V power on; 0 V power off |
| 4 |
+12 V |
Positive supply input |
| 5 |
GND |
Supply return |
LRF0815C — Mechanical and Environmental
| Dimensions (L x W x H) |
65 x 46 x 86 mm |
| Weight |
≤175 g |
| Operating temperature |
-40 to +70 °C |
| Storage temperature |
-55 to +75 °C |
| Impact resistance |
Specified to meet MIL-STD-810G testing; confirm method, severity and acceptance criteria for the order |
| Vibration resistance |
Specified to meet MIL-STD-810G testing; confirm method, severity and mounting condition for the order |
Model-specific mechanical and interface drawings
LRF0815C: Mechanical and Environmental. Original model-bound drawing.
2. ER300 source-laser specifications
ER300 standalone laser component
| Parameter | Value |
| Optical wavelength |
1535 nm |
| Pulse energy |
≥300 µJ |
| Optical pulse width |
5 ns |
| Drive pulse width |
≤2.4 ms |
| Repetition rate |
1–10 Hz |
| Pulse stability |
10% (definition/statistical method not stated) |
| Raw beam diameter |
0.3 mm |
| Initial beam divergence |
≤7 mrad |
| Transverse mode |
TEM00 |
| Operating / storage temperature |
−40 to +65 °C / −55 to +75 °C |
| Package dimensions / mass |
25 × 8 × 6.8 mm / 8.5 g |
| Component electrical entry |
2 V, 12 A |
| Shock / vibration entries |
1500 G, 0.5 ms / 20–2000 Hz, 20 G |
| Stated service life |
>1 million shots; test conditions not supplied |
The electrical entries describe the component drive, not the module supply input. Drive conditions and pulse-width definitions must follow the component document and the individual factory record. An optical pulse-width value is not a pump-drive duration.
3. APD-A13B001 receiver-component specifications
Small screens: swipe the table horizontally to read all measurement conditions.
Supplied APD200 document — component values and conditions
| Parameter | Value | Measurement condition / scope |
| Device / active diameter |
APD-A13B001 R01 / 200 µm |
Supplied APD200 document, p1 |
| Detector spectral response interval |
800–1700 nm |
Detector response; not the filter passband |
| Responsivity |
0.9 A/W minimum; 1.0 A/W typical |
λ = 1550 nm; incident power = 1 µW; M = 1 |
| Dark current |
8 nA typical; 50 nA maximum |
VR = VBR − 3 V; incident power = 0 |
| Multiplication factor |
M ≥10 / M ≥30 |
λ = 1550 nm; 1 µW; respectively VBR − 3 V / VBR − 1 V |
| −3 dB bandwidth |
0.6 GHz minimum; 1.25 GHz typical |
M = 10; RL = 50 Ω |
| Breakdown voltage |
35–50 V |
Reverse current = 10 µA; incident power = 0 |
| Capacitance |
1.8 pF typical; 2.0 pF maximum |
VR = VBR − 3 V; f = 1 MHz |
| Breakdown temperature coefficient |
0.05 minimum / 0.11 typical / 0.15 maximum V/°C |
Reverse current = 10 µA; dark; −55 to +85 °C |
| Operating / storage temperature |
−40 to +85 °C / −55 to +125 °C |
Component absolute-maximum table; not module environmental ratings |
| Maximum bias |
VBR |
Absolute maximum, not a recommended operating setpoint |
| Maximum forward / reverse current |
5 mA / 3 mA |
Absolute maximum ratings, not continuous design targets |
| Filter centre wavelength |
1535 ±5 nm |
Supplied filter table, p3 |
| Filter FWHM |
<37 nm |
Full width at half maximum |
| Transmission at centre wavelength |
>90% |
Filter specification, not total receiver throughput |
| Blocking specification |
T <1%; source lists 400–1750 nm |
Stop-band/transition edges are not numerically defined; the stated blocking span is not a guarantee at every wavelength. |
| Optical surface quality |
60/40 |
Source label: surface quality; not a transmission value |
