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| Brand | WD Precision |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | WD-JL1000 |
| Price | USD 5,600 (FOB Beijing) |
| Core Technology | Granier-type Thermal Dissipation Probe (TDP) |
| Data Logger | Campbell Scientific CR1000x |
| Sensor Compatibility | TDP30 / TDP50 / TDP80 stem flow probes |
| Power Management | Adaptive low-power operation with AVRD voltage regulation |
| Environmental Rating | -40°C to +70°C (standard), -55°C to +85°C (extended) |
| Data Storage | Up to 400 days at 1-hour interval (128 MB internal + microSD up to 16 GB) |
| Communication | RS-232/RS-485, Ethernet 10/100 Mbps, USB-micro B, CS I/O, CPI/CDM |
| Input Capacity | 16 single-ended / 8 differential analog channels |
| Compliance | Designed for GLP-aligned field deployments |
| compatible with ASTM E2899-22 (Standard Guide for In Situ Sap Flow Measurement) and ISO 16634-1 | 2021 (Plant physiology — Sap flow measurement — Part 1: Thermal dissipation method) |
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