---
type: product
schema_version: 1
stock_number: "62750-3"
canonical_url: "https://www.artisantg.com/62750-3/MKS-Instruments-840-C"
json_url: "https://www.artisantg.com/62750-3/MKS-Instruments-840-C.json"
generated_at: "2026-11-08T05:58:33.931Z"
last_updated: "2026-04-06T13:32:15.610-05:00"
---

# MKS Instruments / Newport 840-C Handheld Optical Power Meter

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: MKS Instruments
- Model: 840-C
- Condition: Used and in Excellent Condition
- Price: Quote only
- Availability: Not in Stock
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 15 lb
- Shipping dimensions: 18X18X12 in

## Categories

- Test Equipment > Optical Test > Power Meters (primary)

## Details

Model 840-C
- Model 840 Optical Power Meter
- 818-ST Wand Detector with Memory Module
- AC Adapter

## Images

- <https://www.artisantg.com/itemimages/newport_840_c_172139_view1.jpg>