Meters & Gauges

This quality current transformer (CT) is rated 50-400HZ and 100 amps with a 100:5 ratio common to most AC amp meters. Use on systems up to 600 volts AC. The center hole of the donut is slightly over... more info

Quality Yokogawa Panel Meter 300 volt scale, 3 1/2" Panel meter for Onan, Kohler Generator, etc. Will work to replace Kohler p/n 283716, 287711, also  ST90300V300V,  etc WARNING: To be... more info

Quality Yokogawa Panel Meter 600 volt scale, 3 1/2" Panel meter for Onan Generator, etc.  For 380V, 480V, or up to 600VAC applications.  Replaces  ST90600V600V as well. WARNING:... more info

This quality current transformer (CT) is rated 50-400HZ and 80 amps with a 80:5 ratio common to most AC amp meters. The center hole of the donut is slightly over 1 inch. Use on systems up to 600... more info

Amp Meter, 400A, 3.5" more info

Meter, Hertz 45-65 240V 3.5" more info

Volt Meter 3.5" 300V input 0-300 scale more info

Volt Meter 3.5" 300V input 0-600 scale more info

Volts, 0-600VAC 3.5 Replaces Yokogawa # 250344SJSJ.  more info

Amp Meter, 75 Amp more info

Quality panel meter must be used with a 100:5 ratio current transformer (CT). These (CT's) are commonly called "donuts", since they are shaped like a donut (round with a hole... more info

Amp Meter, 150 Amp more info

Amp Meter - 3.5" 200 Amp 0-200 Scale more info

Amp Meter 3.5" 300 Amp more info

Amp Meter 3.5" 500 Amp more info

Amp Meter 3.5" 600 Amp more info

Amp Meter 3.5" 1000 Amp more info

Hertz 45-65 120V 3.5" Replaces Yokogawa # 254350AJAJ.  more info

500A:5A Current Transformer 1.5" Opening in the center This part is no longer available, you can see other options here more info

Note:  This part has been discontinued, but we have qty 1 remaining in stock.  Once it is gone, we recommend CTD400L48 as a suitable replacement.  more info

500A:5A Current Transformer 2.5" Opening in the center   This item is no longer available, please see other options here more info

CT, 200:5, 200A, 1.1 inch ID more info

CT, 1000:5 Donut with 2.25" Hole more info

CT, 100:5, 100A, 1.1inch ID more info

CT, 150:5, 150A, 1.1inch ID more info

CT, 300:5, 300 Amp, 1.1inch ID more info

If out of stock, see other options here CT Donut 1.5" 300:5 more info

If out of stock, see other options here Note:  Once this CT is gone, we will no longer be able to get this brand again. CT Donut 1.1" ID, 300:5Amp  more info

CT, 400:5 Donut with 1.5" Hole Replaces these parts:  2RL401 - 1.1 ID, 400:5 5RL401 - 1.5 ID, 400:5 7RL401 - 2.5 ID, 400:5 more info

CT Donut 2.5" ID, 600:5Amp If out stock, see other options  here Note:  Once this CT is out of stock, we will no longer be able to get this brand. more info

CT / Donut 75:5 Amp for 75A panel meters, etc. more info

CT, 800:5 Donut with 2.25" Hole more info

CTC800L48 - 800:5 Amp CT / Donut with 2.88" Hole more info

CT Donut 1.1" 150:5 This item is no longer available, you can see other options here . more info

500:5 Amp CT / Donut with 2.25" Hole more info

CT Donut 1.1" 50:5 This part is no longer available, you can see other options  here . more info

CT, 50:5, 50A, 1.1inch ID more info

CT, 600:5Amp with 2.25" Hole more info

CT Donut 1.5" ID, 600:5Amp  If out stock, see other options here Note:  Once this CT is out of stock, we will no longer be able to get this brand. more info

CT Donut 2.5" 750:5 more info

CT Donut 1.5" ID, 800:5 Amp This item is no longer available, you can see other options  here . more info

CT Donut 2.5" 800:5   more info

80:5 CT / Donut, 80Amp, 1.1 inch ID more info

CT Donut 1" 50:5 for 50 amp This item is no longer available, you can see other options here . more info

Panel Meter to measure AC frequency (hertz meter) for generators, etc. Only accurate on applications from 110 - 125 volts AC. Contact us if you are not sure. Quality Yokogawa brand is used on Onan... more info

Panel Meter to measure AC frequency (hertz meter) for generators, etc. This will only be accurate from 220 - 250 volts. Do NOT buy this for 200 - 208 volt application. Contact us. Quality Yokogawa... more info

Round Hour Meter, 10-80VDC fits 2" hole.  1/4" quick connect terminals on the back.  Works great on 12V, 24V, 32V, 36V, and 48V battery systems.  No tools or screws... more info

This quality Hour Meter is a direct replacement for many OEM brands.  If out of stock, part #  HM40979  can be used as a replacement.  However, if you have a 36 Volt... more info