Meters, Monitors & Controllers

The average price for current category was $162.44 last month.

There are 4040 ads in this category.

ECOLAB ORP Probe or Electrode w/ cable

Ecolab orp probe or electrode w/ cable

  • New Paltz, New York, United States
  • Oct 23rd
Date code is May 2015 This probe may be equivalent to a Pentair Water Pool Spa 744000330 PROBE ORP for SWIMMING POOL IntelliChem Sensor, but I cannot guarantee this.
Vintage Ashcroft Industrial Instruments Manual-Bulletins from 1962

Vintage ashcroft industrial instruments manual-bulletins from 1962

  • Windham, Maine, United States
  • Oct 23rd
This manual is in great condition and has several bulletins from August 1962 to January 1963. If you would like more info, please ask as I am not sure what information needs to go here. Thanks
Dalmar MODEL Pro  DC AMP & Volt METER

Dalmar model pro dc amp & volt meter

  • Kingman, Arizona, United States
  • Oct 23rd
This is a vintage Dalmar DC volt and amp meter. See photos.
VINTAGE LEEDS NORTHRUP CAT #4666 JONES CONDUCTIVITY BRIDGE 1217540 GOOD SHAPE

Vintage leeds northrup cat #4666 jones conductivity bridge 1217540 good shape

  • Seminole, Oklahoma, United States
  • Oct 22nd
Vintage Leed & Northrup conductivity tester, Cat# 4666 Jones conductivity bridge, has a number 1217540 on it, made in Philadelphia, it appears to be in good shape, all the knoba are there, they all turn smoothly to set the gauges, the box itself is 24 1/2 by 24 1/2 and weighs total of 59 lbs, its heavy and oversize---I don't know how to test this, take it as it is
MKS TYPE 260 CONTROLLER (B)

Mks type 260 controller (b)

  • Bosque Farms, New Mexico, United States
  • Oct 22nd
MKS TYPE 260 CONTROLLER (B)
Vintage Fluke 8200A Digital Voltmeter

Vintage fluke 8200a digital voltmeter

  • Littleton, Colorado, United States
  • Oct 22nd
Vintage Fluke 8200A Digital Voltmeter all elements sound, NO POWER CORD included but uses easily found standard three prong plug, rear spec plate missing powers up as shown, other wise untested switches/react firmly and positively, handle good, bottom "feet" present and solid minor sticker/random sticker residue, shop dirt, can use a good dusting/wipedown powers up as shown, other wise untested box approx. 3 1/2" x 18 1/2" x 15 1/2" Questions??? Please Ask
DC 100V 10A Blue + Red LED Amp Dual Digital Volt Meter Voltmeter Ammeter SA

Dc 100v 10a blue + red led amp dual digital volt meter voltmeter ammeter sa

  • HongKong, Hong Kong
  • Oct 22nd
This DC 100V 10A dual digital voltmeter ammeter features blue and red LED display with a measuring range of DC 0-100V and 0-10A. Package includes 1 voltmeter ammeter. We offer a 30-day return policy for all items if you have any issues.
HP EPM-441A Power Meter w HP 8482A Sensor

Hp epm-441a power meter w hp 8482a sensor

  • Lakewood, New York, United States
  • Oct 22nd
HP EPM-441A Power meter with HP 8482A sensor and cable is in excellent working condition. This unit was tested with our lab HP 8648D source and was within 0.1-0.2 dBm. The calibration tables for the sensor are loaded in to the meter.
(H17) GE METER RELAY INDICATOR SET-POINT Unit & RELAY CONTROL UNIT D-1255K16-716

(h17) ge meter relay indicator set-point unit & relay control unit d-1255k16-716

  • Minneapolis, Minnesota, United States
  • Oct 22nd
WELCOME TO Surplus-O-Rama!!
DWYER INSTRUMENTS DPG-009 with Display, 0 to 1000 Psi - Save $$$$

Dwyer instruments dpg-009 with display, 0 to 1000 psi - save $$$$

  • Page, Arizona, United States
  • Oct 22nd
Call Dwyer Instruments direct for questions 800 970-3646 Series DPG Digital Pressure Gage, 1000 psig, +/- 0.50% Full Scale Accuracy Brand New in Original Packaging but the box looks a bit shabby Suggested msrp $177.00 Description Series DPG Digital Pressure Gage, 1000 psig, +/- 0.50% Full Scale Accuracy ±0.5% F.S. Accuracy, NEMA 4X (IP66) Aluminum Housing Replace your outdated analog gages with the new Series DPG Digital Pressure Gage. The Series DPG has a high ±0.5% full scale accuracy.
Amprobe ACDC-400 digital clamp meter

Amprobe acdc-400 digital clamp meter

  • Seattle, Washington, United States
  • Oct 21st
Amprobe ACDC-400 digital clamp meter Tested and working. No probes included. from the web...
Dwyer Magnehelic Gage

Dwyer magnehelic gage

  • Fort Lauderdale, Florida, United States
  • Oct 21st
#91870 Dwyer Magnehelic Gage!
Myron L Company Ultrameter 6P  Meter  waterproof conductivity resistivity pH TDS

Myron l company ultrameter 6p meter waterproof conductivity resistivity ph tds

  • Geneva, Illinois, United States
  • Oct 21st
NICE LIGHTLY USED CONDITION POWERS UP
Electrophysics IR Viewing Scope Model 7215 NOS - Unused laser viewer

Electrophysics ir viewing scope model 7215 nos - unused laser viewer

  • Boston, Massachusetts, United States
  • Oct 21st
I bought this (16 years ago!) with the intention of starting a laser service business (that I never kicked off). In a separate auction, I'm selling a new Ophir power meter for the same reason. The only time this IR viewer has ever been out of the case and turned was for these pictures.
BOONTON RADIO QX CHECKER 110-A BRC 110A

Boonton radio qx checker 110-a brc 110a

  • Prospect Park, Pennsylvania, United States
  • Oct 21st
BRAND: BOONTON RADIOMODEL: QX CHECKER 110-ASERIAL NUMBER:1459CONDITION: VERY GOODMADE IN: U.S.A.SPECS: 115 - 230 VOLTS 50 - 60 CYCLESHISTORY: PULLED FROM LAB ENVIRONMENTTEST REPORT: UP TO SPECSPOWER CORD ATTATCHED

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