Radian RM-111 - Electronic Relay Specification

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RM-111 Operations Manual

Speciﬁ cations

Electronic Relay Speciﬁ cation

Type: Mercury wetted reed relay

Resistance: .020 ohms typical, .050 ohms maximum

Imax: 1 amp AC RMS

Vmax: 630 volts AC RMS (relay clamped at 680V)

VA-max Switch: 10 VA inductive

Operate Time: 2 mS maximum

Release Time: 2 mS maximum

Offset Time: 0.5 mS maximum

Dielectric Withstand: 2.5 kV to any other part of the unit

Main Page

Default Chapter4
- Table of Contents4
1 Product Introduction6
- Features7
2 Specifications9
- Physical9
- Electrical9
- Environmental9
- Accuracy10
- Inputs (Ports A, B, C and D)10
- Outputs (Port D Only)11
- Output Accessories11
- Electronic Relay Specification12
3 RM-111 Keypad Conventions13
- DC Input: 9-12V DC Adapter14
4 Menu Structure16
- Main Menu16
  - Results17
  - Preferences18
- Detailed Description of Menu Items20
  - Run Test20
  - Standard Test20
- Reference Standards (Open Collector)23
- Device under Test (D.U.T.)23
- Rm-1S23
5 Inputs23
- Rm-1P24
- Open Collector24
- RM-1R, Electronic/Mechanical Potential Relay24
6 Outputs (Port D Only)24
- Equipment Needed25
7 Testing a Standard Using the Average of One to Three Reference Watthour Standards25
- Testing a Radian Standard Using the Average of Three Inputs29
- Testing a Radian Standard30
8 True Three Phase Standard Testing31
- Testing a Polyphase Standard True Three Phase35
9 Testing a Radian Standard (Display Gating)36
- Testing an Electrommechanical Standard41
- Testing an Electromechanical Standard (Potential Gating)45
11 Testing an Electronic Standard with Taps (Potential Gating)46
- Testing an Electronic Standard (Potential Gating)50
12 Testing an Electronic Standard (Electronic Gating)51
13 Testing an Induction or Solid State Meter Via KYZ56
14 Testing a Solid State Meter Using Calibration LED Output or Induction Meter Using an Edge Test63
15 True Three Phase Meter Testing Using Customer Load70
- True Three Phase Meter Testing74
16 Testing the Accuracy of a Test Board (RM-1P Electronic Light Valve Option)75
17 Testing the Accuracy of a Test Board (Open Collector Option)78
18 Interfacing a Solid State Meter to a Test Board (Open Collector Option)81
- Interfacing a Solid State Meter to a Test Board83
19 Interfacing a Solid State Meter to a Test Board (RM-1P Electronic Light Valve Option)84
20 Pulse Constants and Kh Values for the RM-11187
21 Calculations88
- Testing Standards: Counting Pulses88
- Testing Standards: Potential Gating the Standard under Test88
- Series Single-Phase Meter Testing89
- True Three Phase Meter Testing (Using Customer Load)89
22 Testing Accessories90
23 Warranty Service97

Radian RM-111 - Electronic Relay Specification

Table of Contents

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