The DTS-31N is a high-performance head-mounted dual-tube binocular developed from the PVS-31 platform: extra-wide 50° field, high resolution with no distortion, and a lightweight high-strength body. Flip-up and side-flip auto shutoff are both supported.
Product Images
Highlights
50° ±2° (40° optional) — the widest in the observation line for head-mounted use.
63-70 lp/mm with ≤0.5% distortion.
60 h on CR123A, extendable to 300 h with an external battery pack (optional).
Applications
Head-mounted night operations ｜ Long-duration wear programs ｜ Wide-FOV observation
Observation Variants Family — Six Configurations
| Model | Configuration | FOV | Standout | Weight |
|---|---|---|---|---|
| DT-NH921 | Dual-tube monocular (PVS-7 class) | 42° | Video output; NH921T thermal-fusion variant | 410 g |
| DT-NH7 | Dual-tube monocular (value class) | 42° | 180-230 m observation, 10,000 h tube | 400 g |
| DT-NH8XX | Combinable monocular | 42° | Two units pair as binocular or split | 290 g |
| DT-NH8XD | Dual-tube binocular (split-into-two) | 42° | 65±5 mm pupil, halves work solo | 610 g |
| DTS-31N | Head-mounted binocular (PVS-31 class) | 50° | Widest FOV, 300 h pack option | 523 g |
| DTS-14 | Wide-field monocular | 50° | 80 h low-light runtime, manual gain | 240 g |
Highlighted row = this model. All figures are manufacturer specifications; full tables live on each model page (linked). Family hub: /night-vision/
How to Choose in This Family
- Field of view. 42° observation class (NH921/NH7/NH8XX/NH8XD) versus 50° head-mounted wide-field (DTS-31N/DTS-14).
- One unit or a system. Combinable members (NH8XX/NH8XD) cover both binocular and two-monocular duty with one purchase.
- Recording and thermal. Only the NH921 carries video output and the NH921T thermal-fusion upgrade path.
- Runtime. DTS-14 runs 80 h on low light — the long-shift pick.
Where this model sits: DTS-31N is 523 g.
Full Specifications
| Item | Value | Evidence |
|---|---|---|
| Image intensifier | Gen 2+ / Gen 3 (optional) | Manufacturer spec |
| Magnification | 1X | Manufacturer spec |
| Resolution | 63-70 lp/mm | Manufacturer spec |
| FOV | 50° ±2° (40° optional) | Manufacturer spec |
| Distortion | ≤0.5% max | Manufacturer spec |
| Diopter | +/-5 | Manufacturer spec |
| Shutoff | Flip-up and side-flip auto | Manufacturer spec |
| IR illuminator | 850 nm, 20 mW | Manufacturer spec |
| Exit pupil distance | 30 mm | Manufacturer spec |
| Pupil range | 50-80 mm | Manufacturer spec |
| Battery | CR123A; 60 h / 300 h with pack (optional) | Manufacturer spec |
| Operating temperature | -40 to +55 °C | Manufacturer spec |
| Waterproof | IP65 (IP67) | Manufacturer spec |
| Dimensions | 115×178×85 mm | Manufacturer spec |
| Weight | 452 g (shell) / 523 g (complete) | Manufacturer spec |
Ordering & Delivery — What to Know Before You Buy
MOQ, lead time, payment terms, customization scope and export-licensing documentation are confirmed per quotation — send your mission profile, target quantity and destination port with the RFQ. Standard flow below:
RFQ → engineering proposal with mission math → production and factory testing → licensed export via major Chinese ports with end-user documentation. Training and spare-parts programs available.
Compliance & Licensed Export
Not subject to US ITAR — this product is exported from China under applicable regulations with valid export licenses, the same compliance posture across every Benelabo product line.
- Licensed export with end-user documentation on every shipment
- Buyers screened as part of every quotation; an export compliance statement accompanies each quotation
- Government and agency products are supplied only to authorized organizations
- Every published figure on this page is labeled manufacturer-spec or bench-tested
FAQ
What do the DTS-31L and 31P variants change?
Variant lettering covers configuration differences (lens/feature packages); the 31N is the wide-field base configuration — state your preference in the RFQ.
Request a Quote Request Datasheet
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