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| Brand | Starwood |
|---|---|
| Model | DNR-18 |
| Origin | Beijing, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Display | 128×64 LCD with backlight |
| Sensitivity | ≥900 V/G @ 400 Hz |
| Operating Temperature | −20 °C to +55 °C |
| Power Supply | 4× LR14 alkaline batteries (or 4× AAA with adapter) |
| Minimum Operating Voltage | 4.1 V |
| Continuous Operation | >24 h |
| IP Rating | Host IP52, Probe IP67 |
| USB Interface | Yes |
| Noise Filtering | Adjustable low-pass (100/200/400 Hz), high-pass (400/600/800/1200/2200 Hz), band-pass (BPF), notch (50/60 Hz, OFF) |
| NR System Response Times | Level 1: 0.2 s, Level 2: 1.0 s, Level 3: 3.0 s |
| Memory Backup | Internal primary cell, retention ≥8 years @ 20 °C |
| Audio Output | Headphone jack |
| Input | Probe connector |
| Switches | Power, sensitivity toggle, leak detection trigger, filter mode |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | TERRALOG |
| Pricing | Upon Request |
| Enclosure | Impact-resistant ABS/PA Schulablend plastic, 17.5 × 8.5 × 3.5 cm |
| Weight | Handheld unit 320 g, Sensor 600 g, Full kit 4670 g |
| Operating Temperature | −15 °C to +65 °C |
| Humidity Range | 0–99 % RH |
| IP Rating | IP54 |
| Sensor | vonRoll PE geophone with high-strength magnetic coupling fixture |
| Display | Backlit LCD graphic display, 128 × 64 px resolution, outdoor-optimized contrast |
| Audio Transmission | Bluetooth 2.1 Class II (interference-free) or shielded analog cable |
| Frequency Response | 20 Hz – 8 kHz |
| Filters | Switchable high-pass / low-pass digital audio filters, adjustable cutoff frequencies |
| Power | Handheld unit — 4 × 1.5 V alkaline or 1.2 V NiMH cells |
| Runtime | ~50 h (host), ~30 h (headset) |
| Certifications | CE, EN 61326-1 (EMC), ETSI EN 300 328 (RF), EN 61010-1 (safety) |
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