LRF1830C · 1.54 µm Laser Rangefinder Module
LRF1830C datasheet: specifications, range conditions, interface
Every value below is copied from the published LRF1830C specification table with its test condition, so you can compare it with other modules on equal terms.
LRF1830C key specifications
| Item | Published value |
|---|---|
| Model | LRF1830C |
| Published range | ≥18,000 m to a 3 × 3 m object; line of sight; visibility ≥26 km; relative humidity ≤50% at 30 °C |
| Wavelength | 1.54 µm ±0.02 µm |
| Interface | RS-422 in the specification table; TTL/RS-422 alternatives in the interface section |
| Accuracy | ±2 m |
| Update rate | 0.5–10 Hz |
| Supply | DC 12 V |
| Dimensions | 125 × 100 × 70 mm |
| Laser safety | Class I stated in the module document; complete configuration requires its own assessment |
| Price | From $3,500 per unit |
Full specification table
ERDI published product specifications, captured 2026-10-08.
| Parameter | Published value | Condition / note |
|---|---|---|
| Laser wavelength | 1.54 µm ±0.02 µm | |
| Module laser-safety statement | Class I stated in the module document; complete configuration requires its own assessment | |
| Divergence angle | ≤0.3 mrad | |
| Module laser energy | ≥500 µJ | |
| Transmitter / receiver lens diameter | 18 mm / 60 mm | |
| Measuring range — test case A | ≥18,000 m to a 3 × 3 m object; line of sight; visibility ≥26 km; relative humidity ≤50% at 30 °C | |
| Measuring range — test case B | ≥23,000 m to a 6 × 6 m diffuse target, reflectance ≥30%; line of sight; visibility ≥30 km; relative humidity ≤50% at 30 °C | |
| Minimum range | ≤50 m | |
| Measurement frequency | 0.5–10 Hz | |
| Interface | RS-422 in the specification table; TTL/RS-422 alternatives in the interface section | |
| Ranging accuracy | ±2 m | |
| Range resolution | ≤0.1 m | |
| Precision rate | ≥98% (source label) | |
| False-alarm rate | ≤1% | |
| Connector | J30J in the specification table; Molex 51021-0500 alternative in the interface section | |
| Supply voltage | DC 12 V | |
| Standby power | ≤1.2 W | |
| Average power | ≤2 W | |
| Peak power | ≤3 W | |
| Dimensions | 125 × 100 × 70 mm | |
| Mass | ≤400 g | |
| Operating temperature | −40 to +70 °C | |
| Storage temperature | −55 to +75 °C | |
| Impact / vibration resistance | Source states compliance with MIL-STD-810G testing; specific methods and acceptance criteria are not given in the table | |
| External plug-in XS3 | Model ：Molex51021-0500 | Remark |
Connector pinout
| Pin | Signal | Note |
|---|---|---|
| 1 | TTL RX | 3.3V |
| 2 | TTL TX | 3.3V |
| 3 | CTRL | 3.3V-5V power on, 0V power off |
| 4 | +12V | Power supply+ |
| 5 | GND | Power supply- |
| 1 | GND | Serial Port Ground |
| 2 | GND | 12V Input Negative |
| 3 | GND | 12V Input Negative |
| 4 | VCC 5V | 12V Input Positive |
| 5 | VCC 5V | 12V Input Positive |
| 6 | RS422 RX+ | Serial Port Receive + |
| 7 | RS422 RX- | Serial Port Receive - |
| 8 | RS422 TX- | Serial Port Transmit - |
| 9 | RS422 TX+ | Serial Port Transmit + |
Ordering the LRF1830C
The published single-unit price of the LRF1830C is $7,000, falling to $3,500 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com. Technical questions and quantity quotes: tommy@erdimail.com. Full specification table, downloads and ordering: LRF1830C model page.
FAQ
What is the maximum range of the LRF1830C?
The published range is ≥18,000 m to a 3 × 3 m object; line of sight; visibility ≥26 km; relative humidity ≤50% at 30 °C. A range figure is only comparable together with the target and conditions it was measured on, so the condition is listed next to the value.
Which interface does the LRF1830C use?
The published communication interface is RS-422 in the specification table; TTL/RS-422 alternatives in the interface section.
What laser wavelength does the LRF1830C use?
The published wavelength is 1.54 µm ±0.02 µm; laser safety entry: Class I stated in the module document; complete configuration requires its own assessment.
How much does the LRF1830C cost?
The published single-unit price of the LRF1830C is $7,000, falling to $3,500 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com.
Related guides
Model records
Open the model page for the full specification table, downloads, published price and ordering.
- LRF1830C — LRF1830C 1.54 µm Laser Rangefinder Module