Curtis Computer 833 User Manual

MODEL 833

“FUEL” GAGE/HOUR METER

W/“PUSH-

Read Instructions Carefully !

Safety Instructions

This instrument was manufactured and tested according to the applicable technical standards.It complies with all the safety regulations as shipped from the factory.

Installation and startup must be performed by skilled personnel. Failure to install and operate the unit in accordance with these

instructions may result in damage or injury. If safe operation of the instrument can no longer be ensured,

stop and secure it against accidental operation. If instrument failure or malfunction may cause personal injury or

material damage, use additional safety measures such as limit switches, guards, etc.

Read the Operating Instructions carefully before startup.

Note the safety instructions marked with this warning symbol in this manual.

TABLE OF CONTENTS Page

1. Model Encodement 2

2.Technical Specifications

2.1 Electrical 4

2.2 Mechanical 5

2.3 Environmental 6

3. Installation 7

4. Operation 14

5.Troubleshooting 16

6. Maintenance 17

1. MODEL ENCODEMENT

833RB vvvv w

Voltage

0024

Reset level

B = 2.09 VPC

xy zzzz

Discharge profile

C = Adjustable (See T ab le 3.)

Output

J = N.C. holding relay

Contact rating = 3 Amps when continuously closed, 1 Amp when opening

316O

O = Curtis

logo

2. TECHNICAL SPECIFICATIONS

2.1 Electrical

Operating Range

± 25% of nominal voltage

Operating Current

Voltage (volts) Nominal Current (mA) Maximum Current (mA)

24 18 28

Relay Contact Ratings

Voltage:200 VDC (max)

Current: 1 ADC (max)

(3 ADC max when continuously closed)

Power: 50 W (max)

2.2 Mechanical

Display

Battery state-of-charge: 10-bar, tri-color LED Hour Meter: 6-digit LCD, 5mm high

Resolution

Hour Meter

99,999.9 Hours

Hardware Kit

Mounting bracket, thumbnuts or M4 Hex nuts (2), lock washers (2), mating connector Molex No.39-01-2085, w/pins No.39-00-0039, no connectors in bulk shipments.

Panel Cutout

52mm, 21/16” diameter

+ 14 hidden pages